<SEC-DOCUMENT>0001193125-26-126539.txt : 20260326
<SEC-HEADER>0001193125-26-126539.hdr.sgml : 20260326
<ACCEPTANCE-DATETIME>20260326170136
ACCESSION NUMBER:		0001193125-26-126539
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		15
FILED AS OF DATE:		20260326
DATE AS OF CHANGE:		20260326
EFFECTIVENESS DATE:		20260326

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LB PHARMACEUTICALS INC
		CENTRAL INDEX KEY:			0001691082
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-294656
		FILM NUMBER:		26799164

	BUSINESS ADDRESS:	
		STREET 1:		575 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		917-450-6581

	MAIL ADDRESS:	
		STREET 1:		575 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LB PHARMACEUTICALS INC.
		DATE OF NAME CHANGE:	20161129
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>d139369ds8.htm
<DESCRIPTION>S-8
<TEXT>
<HTML><HEAD>
<TITLE>S-8</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>As filed with the Securities and Exchange Commission on March&nbsp;26, 2026 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Registration <FONT STYLE="white-space:nowrap">No.&nbsp;333-&#8195;&#8195;&#8195;&#8195;</FONT> </B></P>
<P STYLE="font-size:4pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;
</DIV><DIV STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</DIV> <P STYLE="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>UNITED STATES </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>SECURITIES AND EXCHANGE COMMISSION </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Washington, D.C. 20549</B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center><DIV STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</DIV></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>FORM <FONT STYLE="white-space:nowrap">S-8</FONT></B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>REGISTRATION STATEMENT </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B><I>UNDER </I></B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B><I>THE
SECURITIES ACT OF 1933 </I></B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center><DIV STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</DIV></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>LB Pharmaceuticals Inc </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(Exact name of registrant as specified in its charter) </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center><DIV STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</DIV></center>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:8pt" ALIGN="center">


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<TD WIDTH="48%"></TD></TR>


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<TD VALIGN="top" ALIGN="center"><B>Delaware</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B><FONT STYLE="white-space:nowrap">81-1854347</FONT></B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(State or other jurisdiction of</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>incorporation or organization)</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(I.R.S. Employer</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Identification No.)</B></P></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>One Pennsylvania Plaza, Suite 1025</B></P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>New York, NY</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center"><B>10119</B></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="top" ALIGN="center"><B>(Address of Principal Executive Offices)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>(Zip Code)</B></TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center><DIV STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</DIV></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>LB Pharmaceuticals Inc 2025 Equity Incentive Plan </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>LB Pharmaceuticals Inc 2025 Employee Stock Purchase Plan </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><FONT STYLE="white-space:nowrap">Non-Plan</FONT> Inducement Stock Option Award </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Full titles of the plans) </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Heather Turner </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Chief
Executive Officer </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>LB Pharmaceuticals Inc </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>One Pennsylvania Plaza, Suite 1025 </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>New York, NY 10119 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Tel:
(212) <FONT STYLE="white-space:nowrap">605-0300</FONT> </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>(Name, address, including zip code, and telephone number, including area code,
of agent for service) </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><I>Copies to: </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Divakar Gupta </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Brandon
Fenn </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Marc Recht </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Minkyu Park </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Cooley LLP
</B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>55 Hudson Yards </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>New York, NY 10001 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Tel:
(212) <FONT STYLE="white-space:nowrap">479-6000</FONT> </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center><DIV STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</DIV></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a <FONT STYLE="white-space:nowrap">non-accelerated</FONT>
filer, smaller reporting company, or an emerging growth company. See the definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; &#8220;smaller reporting company,&#8221; and &#8220;emerging growth company&#8221; in
Rule <FONT STYLE="white-space:nowrap">12b-2</FONT> of the Exchange Act. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="58%"></TD>

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<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="2%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom">Large&nbsp;Accelerated&nbsp;filer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9744;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Accelerated filer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9744;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"><FONT STYLE="white-space:nowrap">Non-accelerated</FONT> filer</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9746;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Smaller&nbsp;reporting&nbsp;company</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9746;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
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<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">Emerging growth company</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&#9746;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period
for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;7(a)(2)(B) of the Securities Act.&#8194;&#9744; </P>
<P STYLE="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;
</DIV><DIV STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</DIV>
</DIV></Center>


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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>EXPLANATORY NOTE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">LB Pharmaceuticals Inc (the &#8220;<B><I>Registrant</I></B>&#8221;) is filing this Registration Statement on Form <FONT STYLE="white-space:nowrap">S-8</FONT>
for the purpose of registering (a) 1,400,197 shares of the Registrant&#8217;s common stock, par value $0.0001 (the &#8220;<B><I>Common Stock</I></B>&#8221;), issuable to eligible persons under the Registrant&#8217;s 2025 Equity Incentive Plan (the
&#8220;<B><I>2025 Plan</I></B>&#8221;), which Common Stock is in addition to the shares of Common Stock registered on the Registrant&#8217;s&nbsp;<A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525200401/d946090ds8.htm">Form <FONT
STYLE="white-space:nowrap">S-8</FONT></A>&nbsp;filed with the Commission on September&nbsp;11, 2025 (File <FONT STYLE="white-space:nowrap">No.&nbsp;333-290180)</FONT> (the &#8220;<B><I>Prior Registration Statement</I></B>&#8221;), (b) 280,039 shares
of Common Stock issuable to eligible persons under the Registrant&#8217;s 2025 Employee Stock Purchase Plan (the &#8220;<B><I>2025 ESPP</I></B>&#8221;), which Common Stock is in addition to the shares of Common Stock registered on the Prior
Registration Statement, and (c) 600,000 shares of Common Stock issuable under the inducement stock option awards granted on November&nbsp;10, 2025, December&nbsp;10, 2025, January&nbsp;9, 2026 and February&nbsp;10, 2026 (collectively, the
&#8220;<B><I>Inducement Awards</I></B>&#8221;). The additional shares of Common Stock under the 2025 Plan and the 2025 ESPP have become reserved for issuance as a result of the operation of the &#8220;evergreen&#8221; provisions in each of the 2025
Plan and the 2025 ESPP, which provide that the total number of shares subject to such plans will be increased on the first day of each calendar year pursuant to a specified formula. The Inducement Awards were approved by the compensation committee
of the Registrant&#8217;s board of directors, in compliance with and in reliance on Nasdaq Listing Rule 5635(c)(4). The Inducement Awards were granted outside of the 2025 Plan. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This Registration Statement relates to securities of the same class as that to which the Prior Registration Statement relate and is submitted in accordance
with General Instruction E to Form <FONT STYLE="white-space:nowrap">S-8</FONT> regarding Registration of Additional Securities. Pursuant to General Instruction E of Form <FONT STYLE="white-space:nowrap">S-8,</FONT> the contents of the Prior
Registration Statement, to the extent relating to the registration of Common Stock issuable under the 2025 Plan and the 2025 ESPP, are incorporated herein by reference and made part of this Registration Statement, except as amended hereby. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>PART I </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INFORMATION
REQUIRED IN THE SECTION 10(A) PROSPECTUS </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The information called for by Part I of Form <FONT STYLE="white-space:nowrap">S-8</FONT> is omitted from
this Registration Statement in accordance with Rule 428 of the Securities Act of 1933, as amended (the &#8220;<B><I>Securities Act</I></B>&#8221;) and the instructions to Form <FONT STYLE="white-space:nowrap">S-8.</FONT> In accordance with the rules
and regulations of the Securities and Exchange Commission (the &#8220;<B><I>Commission</I></B>&#8221;) and the instructions to Form <FONT STYLE="white-space:nowrap">S-8,</FONT> such documents are not being filed with the Commission either as part of
this Registration Statement or as prospectuses or prospectus supplements pursuant to Rule 424 of the Securities Act. </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>PART II </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>INFORMATION REQUIRED IN THE REGISTRATION STATEMENT </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&#8201;3.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Incorporation of Documents by Reference. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Registrant hereby incorporates by reference into this Registration Statement the following documents previously filed by the Registrant with the
Commission: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(a) the Registrant&#8217;s Annual Report on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/0001691082/000119312526126368/lbrx-20251231.htm">Form
 <FONT STYLE="white-space:nowrap">10-K</FONT></A> for the fiscal year ended December&nbsp;31, 2025 filed with the Commission on March&nbsp;26, 2026; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(b) the Registrant&#8217;s Current Reports on Form <FONT STYLE="white-space:nowrap">8-K</FONT> filed with the SEC on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/0001691082/000119312526038539/d943290d8k.htm">February&nbsp;5,
 2026</A> (other than Items 7.01 and 9.01), <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/0001691082/000119312526099419/d181430d8k.htm">March&nbsp;
10, 2026</A> (other than Items 7.01 and 9.01) and <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/0001691082/000119312526108474/d105454d8k.htm">March&nbsp;16, 2026</A>; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">(c) the description of the Registrant&#8217;s Common Stock contained in the Registrant&#8217;s Registration Statement on <A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525198793/d74445d8a12b.htm">Form
 <FONT STYLE="white-space:nowrap">8-A</FONT></A> filed on September&nbsp;9, 2025 (File <FONT STYLE="white-space:nowrap">No.&nbsp;001-42831)</FONT> under Section&nbsp;12(b) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange
Act&#8221;), including any amendment or report filed for the purpose of updating such description, including <A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312526126368/lbrx-ex4_1.htm">Exhibit 4.1</A> to the Registrant&#8217;s Annual
Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> filed with the SEC on March&nbsp;26, 2026. </P>
</DIV></Center>


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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">All documents filed by the Registrant pursuant to Section&nbsp;13(a), 13(c), 14 or 15(d) of the Exchange Act
after the date of this Registration Statement and prior to the filing of a post-effective amendment which indicates that all securities offered hereby have been sold or which deregisters all securities then remaining unsold, shall be deemed to be
incorporated by reference into this Registration Statement and to be a part hereof from the date of filing of such documents; provided, however, that documents or portions thereof that are furnished and not filed in accordance with the rules of the
Commission shall not be deemed incorporated by reference into this Registration Statement. Any statement contained in a document incorporated or deemed to be incorporated by reference herein shall be deemed to be modified or superseded for purposes
of this Registration Statement to the extent that a statement herein or in any other subsequently filed document that also is or is deemed to be incorporated by reference herein modifies or supersedes such statement. Any such statement so modified
or superseded shall not constitute a part of this Registration Statement, except as so modified or superseded. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&#8201;4.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Description of Securities. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Not applicable. </P> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&#8201;5.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Interests of Named Experts and Counsel. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Not applicable. </P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&#8201;6.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Indemnification of Directors and Officers. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Section&nbsp;145 of the Delaware General Corporation Law authorizes a court to award, or a corporation&#8217;s board of directors to grant, indemnity to
directors and officers in terms sufficiently broad to permit such indemnification under certain circumstances for liabilities, including reimbursement for expenses incurred, arising under the Securities Act. The Registrant&#8217;s amended and
restated certificate of incorporation permits indemnification of its directors, officers, employees and other agents to the maximum extent permitted by the Delaware General Corporation Law, and the Registrant&#8217;s amended and restated bylaws
provide that the Registrant will indemnify its directors and executive officers and permit it to indemnify its other officers, employees, and other agents, in each case to the maximum extent permitted by the Delaware General Corporation Law. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Registrant has entered into indemnification agreements with its directors and executive officers, whereby it has agreed to indemnify its directors and
executive officers to the fullest extent permitted by law, including indemnification against expenses and liabilities incurred in legal proceedings to which the director or executive officer was, or is threatened to be made, a party by reason of the
fact that such director or executive officer is or was a director, executive officer, employee or agent of the Registrant, provided that such director or executive officer acted in good faith and in a manner that the director or executive officer
reasonably believed to be in, or not opposed to, the best interest of the Registrant. At present, there is no pending litigation or proceeding involving a director or executive officer of the Registrant regarding which indemnification is sought, nor
is the Registrant aware of any threatened litigation that may result in claims for indemnification. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Registrant maintains insurance policies that
indemnify its directors and officers against various liabilities arising under the Securities Act and the Exchange Act, that might be incurred by any director or officer in his capacity as such. </P>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&#8201;7.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Exemption from Registration Claimed. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Not applicable. </P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&#8201;8.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Exhibits. </B></P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The exhibits to this Registration Statement are listed below: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD></TD>

<TD VALIGN="bottom" WIDTH="4%"></TD>
<TD WIDTH="92%"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Exhibit<BR>Number</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Description</B></P></TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;&#8199;4.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525202195/d32696dex31.htm">Amended and Restated Certificate of Incorporation, as currently in effect (incorporated herein by reference to Exhibit 3.1 to the Current Report
 on Form <FONT STYLE="white-space:nowrap">8-K</FONT> (File <FONT STYLE="white-space:nowrap">No.&nbsp;000-42831),</FONT> filed with the Commission on September&nbsp;12, 2025). </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;&#8199;4.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525186467/d12080dex33.htm">Amended and Restated Bylaws of the Registrant, as currently in effect (incorporated herein by reference to Exhibit 3.3 to the Registrant&#8217;s
 Registration Statement on Form <FONT STYLE="white-space:nowrap">S-1</FONT> (File <FONT STYLE="white-space:nowrap">No.&nbsp;333-289812),</FONT> filed with the Commission on August&nbsp;22, 2025). </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;&#8199;4.3</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525197877/d12080dex41.htm">Form of Common Stock Certificate (incorporated herein by reference to Exhibit 4.1 to the Registrant&#8217;s Registration Statement on Form <FONT
STYLE="white-space:nowrap">S-1/A</FONT> (File <FONT STYLE="white-space:nowrap">No.&nbsp;333-289812),</FONT> filed with the Commission on September&nbsp;8, 2025) </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;&#8199;5.1*</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d139369dex51.htm">Opinion of Cooley LLP. </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;23.1*</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d139369dex231.htm">Consent of BDO USA, P.C., Independent Registered Public Accounting Firm </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;23.2*</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d139369dex51.htm">Consent of Cooley LLP (included in Exhibit 5.1). </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;24.1*</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="#tx139369_1">Power of Attorney (included on the signature page). </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;99.1</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525197877/d12080dex108.htm">2025 Equity Incentive Plan (incorporated herein by reference to Exhibit 10.8 to the Registrant&#8217;s Registration Statement on Form <FONT
STYLE="white-space:nowrap">S-1/A</FONT> (File No.<U></U><FONT STYLE="white-space:nowrap">&nbsp;333-289812),</FONT> filed with the Commission on September<U></U>&nbsp;8, 2025)</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;99.2</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525197877/d12080dex109.htm">Form of Option Grant Notice and Agreement, and Exercise Notice under the 2025 Equity Incentive Plan (incorporated herein by reference to Exhibit
 10.9 to the Registrant&#8217;s Registration Statement on Form <FONT STYLE="white-space:nowrap">S-1/A</FONT> (File No.<U></U><FONT STYLE="white-space:nowrap">&nbsp;333-289812),</FONT> filed with the Commission on September<U></U>&nbsp;8,
2025)</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;99.3</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525197877/d12080dex1010.htm">Form of RSU Award Grant Notice and Agreement under the 2025 Equity Incentive Plan (incorporated herein by reference to Exhibit 10.10 to the Registrant&#8217;s
 Registration Statement on Form <FONT STYLE="white-space:nowrap">S-1/A</FONT> (File No.<U></U><FONT STYLE="white-space:nowrap">&nbsp;333-289812),</FONT> filed with the Commission on September<U></U>&nbsp;8, 2025)</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;99.4</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="http://www.sec.gov/Archives/edgar/data/1691082/000119312525197877/d12080dex1011.htm">2025 Employee Stock Purchase Plan (incorporated herein by reference to Exhibit 10.11 to the Registrant&#8217;s Registration Statement on Form
 <FONT STYLE="white-space:nowrap">S-1/A</FONT> (File No.<U></U><FONT STYLE="white-space:nowrap">&nbsp;333-289812),</FONT> filed with the Commission on September<U></U>&nbsp;8, 2025)</A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>&#8199;99.5*</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d139369dex995.htm">Form of <FONT STYLE="white-space:nowrap">Non-Plan</FONT> Inducement Option Award Agreement under 2025 Equity Incentive Plan </A></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" NOWRAP>107*</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><A HREF="d139369dexfilingfees.htm">Filing Fee Table. </A></TD></TR>
</TABLE> <DIV STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</DIV>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="2%" VALIGN="top" ALIGN="left">*</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Filed herewith. </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%" VALIGN="top" ALIGN="left"><B>Item&#8201;9.</B></TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left"><B>Undertakings. </B></P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(a)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The undersigned Registrant hereby undertakes: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To file, during any period in which offers or sales are being made, a post-effective amendment to this
Registration Statement: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(i)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act; </P></TD></TR></TABLE>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(ii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To reflect in the prospectus any facts or events arising after the effective date of the Registration Statement
(or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the Registration Statement. Notwithstanding the foregoing, any increase or decrease in
volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus
filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the &#8220;Calculation of Registration Fee&#8221; table
in the effective Registration Statement; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(iii)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To include any material information with respect to the plan of distribution not previously disclosed in the
Registration Statement or any material change to such information in the Registration Statement. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Provided, however,</I> that
paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the Registration Statement is on Form <FONT STYLE="white-space:nowrap">S-8,</FONT> and the information required to be included in a post-effective amendment by those paragraphs is contained in
reports filed with or furnished to the Commission by the Registrant pursuant to Section&nbsp;13 or Section&nbsp;15(d) of the Exchange Act that are incorporated by reference in the Registration Statement. </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment
shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">To remove from registration by means of a post-effective amendment any of the securities being registered which
remain unsold at the termination of the offering. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(b)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the
Securities Act, each filing of the Registrant&#8217;s annual report pursuant to Section&nbsp;13(a) or Section&nbsp;15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan&#8217;s annual report pursuant to
Section&nbsp;15(d) of the Exchange Act) that is incorporated by reference in the Registration Statement shall be deemed to be a new registration statement relating to the securities offered herein, and the offering of such securities at that time
shall be deemed to be the initial<I></I>&nbsp;bona fide offering thereof. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(c)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors,
officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the Commission such indemnification is against public policy as expressed in the Securities
Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the
successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.
</P></TD></TR></TABLE>
</DIV></Center>


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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="tx139369_1"></A>SIGNATURES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe
that it meets all of the requirements for filing on Form <FONT STYLE="white-space:nowrap">S-8</FONT> and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of New York,
State of New York, on March&nbsp;26, 2026. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><DIV ALIGN="right">
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="40%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt">


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<TD WIDTH="7%"></TD>

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<TD WIDTH="92%"></TD></TR>


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<TD VALIGN="top" COLSPAN="3"><B>LB PHARMACEUTICALS INC</B></TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000;">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000;">/s/ Heather Turner</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Heather Turner</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">Chief Executive Officer</TD></TR>
</TABLE></DIV> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>POWER OF ATTORNEY </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">KNOW ALL BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Heather Turner and Marc Panoff and each of
them, as his or her true and lawful <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">attorney-in-fact</FONT></FONT> and agents, each with the full power of substitution, for him or her and in his or her name, place or stead, in any
and all capacities, to sign any and all amendments to this registration statement (including post-effective amendments), and to file the same, with exhibits thereto and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">attorney-in-fact</FONT></FONT> and agents, and each of them, full power and authority to do and perform each and every act and thing requisite and
necessary to be done in and about the premises, as fully to all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">attorney-in-fact</FONT></FONT> and agents, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Securities Act of 1933, as amended, this registration statement has been signed by the following persons
in the capacities and on the dates indicated. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" NOWRAP ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Signature</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Title</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman" ALIGN="center"><B>Date</B></P></TD></TR>


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<TD HEIGHT="16"></TD>
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<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Heather Turner</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Heather Turner</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Chief Executive Officer and Director</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">(<I>Principal Executive Officer)</I></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Marc Panoff</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Marc Panoff</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Senior Vice President, Finance</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">(<I>Principal Financial and Accounting Officer</I>)</P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Scott Garland</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Scott Garland</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Chairman of the Board of Directors</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Rebecca Luse</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Rebecca Luse</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Director</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Ran Nussbaum</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Ran Nussbaum</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Director</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
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<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Zachary Prensky</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Zachary Prensky</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Director</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR></TABLE>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Robert R. Ruffolo, Jr., Ph.D., D.Sc. (h), D.Eng. (h), F.C.P.P.</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Robert R. Ruffolo, Jr., Ph.D., D.Sc. (h), D.Eng. (h), F.C.P.P.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Director</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Rekha Hemrajani</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Rekha Hemrajani</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Director</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
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<TD HEIGHT="16"></TD>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ William Kane</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">William Kane</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Director</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
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<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman" ALIGN="center">/s/ Robert Lenz</P>
<P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Robert Lenz</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top" ALIGN="center">Director</TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" NOWRAP ALIGN="center">March&nbsp;26, 2026</TD></TR>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d139369dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
<HTML><HEAD>
<TITLE>EX-5.1</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 5.1 </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt;margin-bottom:0pt">


<IMG SRC="g139369g0325113645210.jpg" ALT="LOGO" STYLE="width:1.4375in;height:0.466667in;">
 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Minkyu Park </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">+1 212 479 6588
</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Minkyu.Park@cooley.com </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">March&nbsp;26, 2026 </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">LB Pharmaceuticals Inc </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">One Pennsylvania Plaza, Suite 1025 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">New York, NY 10119 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ladies and Gentlemen: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have acted as counsel to LB Pharmaceuticals Inc, a Delaware corporation (the &#8220;<B><I>Company</I></B>&#8221;), in connection with the filing by the
Company of a registration statement on Form <FONT STYLE="white-space:nowrap">S-8</FONT> (the &#8220;<B><I>Registration Statement</I></B>&#8221;) with the Securities and Exchange Commission (the &#8220;<B><I>Commission</I></B>&#8221;) covering the
offering of (i)&nbsp;up to 1,680,236 shares (the &#8220;<B><I>Shares</I></B>&#8221;) of the Company&#8217;s common stock, par value $0.0001 per share (&#8220;<B><I>Common Stock</I></B>&#8221;), consisting of (a) 1,400,197 shares of Common Stock
issuable pursuant to the Company&#8217;s 2025 Equity Incentive Plan (the&nbsp;&#8220;<B><I>2025 Plan</I></B>&#8221;) and (b) 280,039 shares of Common Stock issuable pursuant to the Company&#8217;s 2025 Employee Stock Purchase Plan (the
&#8220;<B><I>2025 ESPP</I></B>&#8221;, and together with the 2025 Plan, the &#8220;<B><I>Plans</I></B>&#8221;), and (ii) 600,000 shares of Common Stock authorized for issuance as inducement awards outside the 2025 Plan (collectively, the
&#8220;<B><I>Inducement Awards</I></B>&#8221;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In connection with this opinion, we have examined and relied upon (a)&nbsp;the Registration Statement and
the related prospectuses, (b)&nbsp;the Company&#8217;s certificate of incorporation and bylaws, each as currently in effect, (c)&nbsp;the Plans, (d)&nbsp;the terms of the Inducement Awards authorized by the Compensation Committee of the
Company&#8217;s Board of Directors, and (e)&nbsp;such other records, documents, opinions, certificates, memoranda and instruments as in our judgment are necessary or appropriate to enable us to render the opinion expressed below. We have assumed the
genuineness of all signatures; the authenticity of all documents submitted to us as originals; the conformity to originals of all documents submitted to us as copies; the accuracy, completeness and authenticity of certificates of public officials;
and the due authorization, execution and delivery of all documents by all persons other than the Company. As to certain factual matters, we have relied upon a certificate of an officer of the Company and have not independently verified such matters.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our opinion is expressed only with respect to the General Corporation Law of the State of Delaware. We express no opinion to the extent that any other
laws are applicable to the subject matter hereof and express no opinion and provide no assurance as to compliance with any federal or state securities law, rule or regulation. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On the basis of the foregoing, and in reliance thereon, and subject to the assumptions, exceptions, limitations and qualifications set forth herein, we are of
the opinion that the Shares, when sold and issued in accordance with the Plans or the Inducement Awards, the Registration Statement and the related prospectuses, will be validly issued, fully paid and nonassessable (except as to Shares issued
pursuant to deferred payment arrangements, which will be fully paid and nonassessable when such deferred payments are made in full). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This opinion is
limited to the matters expressly set forth in this letter, and no opinion has been or should be implied, or may be inferred, beyond the matters expressly stated. This opinion speaks only as to law and facts in effect or existing as of the date
hereof, and we have no obligation or responsibility to update or supplement this opinion to reflect any facts or circumstances that may hereafter come to our attention or any changes in law that may hereafter occur. </P>
<P STYLE="font-size:12pt; margin-top:0pt; margin-bottom:0pt">&nbsp;</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Cooley LLP 55 Hudson
Yards New York, NY 10001 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">t: +1 (212) 479-6000 f: +1 (212) 479-6275 cooley.com </P>

</DIV></Center>


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 <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt;margin-bottom:0pt">


<IMG SRC="g139369g0325113645210.jpg" ALT="LOGO" STYLE="width:1.4375in;height:0.466667in;">
 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">LB Pharmaceuticals Inc </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">March
26, 2026 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Page Two </P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We consent to the filing of this opinion as an exhibit to the Registration Statement. In giving such consent,
we do not thereby admit that we are in the category of persons whose consent is required under Section&nbsp;7 of the Securities Act of 1933, as amended, or the rules and regulations of the Commission thereunder. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top" COLSPAN="3">Sincerely,</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16" COLSPAN="3"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top" COLSPAN="3">Cooley LLP</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="16"></TD>
<TD HEIGHT="16" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">By:</TD>
<TD VALIGN="bottom" STYLE=" BORDER-BOTTOM:1px solid #000000;">&nbsp;</TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000;">/s/ Minkyu Park</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP>Minkyu Park</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Cooley LLP 55 Hudson
Yards New York, NY 10001 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">t: +1 (212) 479-6000 f: +1 (212) 479-6275 cooley.com </P>

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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d139369dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
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<TITLE>EX-23.1</TITLE>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 23.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><U>Consent of Independent Registered Public Accounting Firm </U></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We hereby consent to the incorporation by reference in this Registration Statement of our report dated March 26, 2026, relating to the financial statements of
LB Pharmaceuticals Inc (the Company) appearing in the Company&#8217;s Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the year ended December&nbsp;31, 2025. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="top">/s/ BDO USA, P.C.</TD></TR>
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<TD HEIGHT="16"></TD></TR>
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<TD VALIGN="top">New York, New York</TD></TR>
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<TD HEIGHT="16"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top">March 26, 2026</TD></TR>
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<DOCUMENT>
<TYPE>EX-99.5
<SEQUENCE>4
<FILENAME>d139369dex995.htm
<DESCRIPTION>EX-99.5
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<TITLE>EX-99.5</TITLE>
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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 99.5 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Form of <FONT STYLE="white-space:nowrap">Non-Plan</FONT> Inducement Option Award Agreement under </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>2025 Equity Incentive Plan </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">&#8212; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>LB
P<SMALL>HARMACEUTICALS</SMALL> I<SMALL>NC</SMALL> </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>S<SMALL>TOCK</SMALL> O<SMALL>PTION</SMALL> A<SMALL>GREEMENT</SMALL> </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>(I<SMALL>NDUCEMENT</SMALL> G<SMALL>RANT</SMALL> O<SMALL>UTSIDE</SMALL> <SMALL>OF</SMALL> 2025 E<SMALL>QUITY</SMALL> I<SMALL>NCENTIVE</SMALL>
P<SMALL>LAN</SMALL>) </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As reflected by your Stock Option Grant Notice (&#8220;<B><I>Grant Notice</I></B>&#8221;), LB
Pharmaceuticals&nbsp;Inc (the &#8220;<B><I>Company</I></B>&#8221;) has granted you an option, outside of but subject to the terms of its 2025<B> </B>Equity Incentive Plan (the &#8220;<B><I>Plan</I></B>&#8221;), to purchase a number of shares of
Common Stock at the exercise price indicated in your Grant Notice (the &#8220;<B><I>Option</I></B>&#8221;). Your Option is granted in compliance with Nasdaq Listing Rule 5635(c)(4), as an inducement material to Optionholder entering into employment
with the Company. Capitalized terms not explicitly defined in this Agreement but defined in the Grant Notice or the Plan shall have the meanings set forth in the Grant Notice or Plan, as applicable. The terms of your Option as specified in the Grant
Notice and this Stock Option Agreement constitute your Option Agreement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The general terms and conditions applicable to your Option are
as follows: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>1.</B> <B>G<SMALL>OVERNING</SMALL> P<SMALL>LAN</SMALL> D<SMALL>OCUMENT</SMALL>.</B> Your Option is subject to all the
provisions of the Plan, including but not limited to the provisions in: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(a)</B> Section 6 regarding the impact of a Capitalization
Adjustment, dissolution, liquidation, or Corporate Transaction on your Option; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(b)</B> Section 9(e) regarding the Company&#8217;s
retained rights to terminate your Continuous Service notwithstanding the grant of the Option; and </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(c)</B> Section 8 regarding certain
tax consequences of your Option. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Your Option is further subject to all interpretations, amendments, rules and regulations, which may from time to time be
promulgated and adopted pursuant to the Plan. In the event of any conflict between the Option Agreement and the provisions of the Plan, the provisions of the Plan shall control. Notwithstanding the foregoing, the shares of Common Stock underlying
the Option shall not reduce and shall have no impact on the number of shares of Common Stock available for grant under the Plan. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>2.</B> <B>V<SMALL>ESTING</SMALL>. </B>Your Option will vest as provided in your Grant Notice, subject to the provisions contained herein
and the terms of the Plan. Vesting will cease upon the termination of your Continuous Service. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>3. E<SMALL>XERCISE</SMALL>. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(a)</B> You may generally exercise the vested portion of your Option for whole shares of Common Stock at any time during its term by
delivery of payment of the exercise price and applicable withholding taxes and other required documentation to the Plan Administrator in accordance with the exercise procedures established by the Plan Administrator, which may include an electronic
submission. Please review Sections 4(i), 4(j) and 7(b)(v) of the Plan, which may restrict or prohibit your ability to exercise your Option during certain periods. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(b)</B> To the extent permitted by Applicable Law, you may pay your Option exercise price as follows: </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman"><B>(i)</B> cash, check, bank draft or money order; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman"><B>(ii)</B> subject to Company and/or Committee consent at the time of exercise, pursuant to a &#8220;cashless exercise&#8221; program as
further described in Section&nbsp;4(c)(ii) of the Plan if at the time of exercise the Common Stock is publicly traded; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman"><B>(iii)</B>
subject to Company and/or Committee consent at the time of exercise, by delivery of previously owned shares of Common Stock as further described in Section&nbsp;4(c)(iii) of the Plan; or </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman"><B>(iv)</B> subject to Company and/or Committee consent at the time of exercise, if the Option is a Nonstatutory Stock Option, by a
&#8220;net exercise&#8221; arrangement as further described in Section&nbsp;4(c)(iv) of the Plan. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(c)</B> By accepting your Option,
you agree that you will not sell, dispose of, transfer, make any short sale of, grant any option for the purchase of, or enter into any hedging or similar transaction with the same economic effect as a sale with respect to any shares of Common Stock
or other securities of the Company held by you, for a period of one hundred eighty (180)&nbsp;days following the effective date of a registration statement of the Company filed under the Securities Act or such longer period as the underwriters or
the Company will request to facilitate compliance with FINRA Rule 2241 or any successor or similar rules or regulation (the&nbsp;&#8220;<B><I><FONT STYLE="white-space:nowrap">Lock-Up</FONT> Period</I></B>&#8221;); <I>provided, however</I>, that
nothing contained in this Section&nbsp;3(c) will prevent the exercise of a repurchase option, if any, in favor of the Company during the <FONT STYLE="white-space:nowrap">Lock-Up</FONT> Period. You further agree to execute and deliver such other
agreements as may be reasonably requested by the Company or the underwriters that are consistent with the foregoing or that are necessary to give further effect thereto. In order to enforce the foregoing covenant, the Company may impose
stop-transfer instructions with respect to your shares of Common Stock until the end of such period. You also agree that any transferee of any shares of Common Stock (or other securities) of the Company held by you will be bound by this
Section&nbsp;3(c). The underwriters of the Company&#8217;s stock are intended third party beneficiaries of this Section&nbsp;3(c) and will have the right, power and authority to enforce the provisions hereof as though they were a party hereto. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>4.</B> <B>T<SMALL>ERM</SMALL>.</B> You may not exercise your Option before the commencement of its term or after its term expires. The term
of your Option commences on the Date of Grant and expires upon the earliest of the following: </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(a)</B> immediately upon the termination
of your Continuous Service for Cause; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(b)</B> three months after the termination of your Continuous Service for any reason
other than Cause, Disability or death; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(c)</B> 12 months after the termination of your Continuous Service due to your Disability; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(d)</B> 18 months after your death if you die during your Continuous Service; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(e)</B> immediately upon a Corporate Transaction if the Board has determined that the Option will terminate in connection with a Corporate
Transaction; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(f)</B> the Expiration Date indicated in your Grant Notice; or </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:9%; font-size:10pt; font-family:Times New Roman"><B>(g)</B> the day before the 10th anniversary of the Date of Grant. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Notwithstanding the foregoing, if you die during the period provided in Section&nbsp;4(b) or 4(c) above, the term of your Option shall not expire until the
earlier of (i) 18 months after your death, (ii)&nbsp;upon any termination of the Option in connection with a Corporate Transaction, (iii)&nbsp;the Expiration Date indicated in your Grant Notice, or (iv)&nbsp;the day before the tenth anniversary of
the Date of Grant. Additionally, the Post-Termination Exercise Period of your Option may be extended as provided in Section&nbsp;4(i) of the Plan. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>5.</B> <B>W<SMALL>ITHHOLDING</SMALL> O<SMALL>BLIGATIONS</SMALL>. </B>As further provided in Section&nbsp;8 of the Plan: (a)&nbsp;you may
not exercise your Option unless the applicable tax withholding obligations are satisfied; and (b)&nbsp;at the time you exercise your Option, in whole or in part, or at any time thereafter as requested by the Company, you hereby authorize withholding
from payroll and any other amounts payable to you, and otherwise agree to make adequate provision for (including by means of a &#8220;cashless exercise&#8221; pursuant to a program developed under Regulation T as promulgated by the Federal Reserve
Board to the extent permitted by the Company), any sums required to satisfy the federal, state, local and foreign tax withholding obligations, if any, which arise in connection with the exercise of your Option in accordance with the withholding
procedures established by the Company. Accordingly, you may not be able to exercise your Option even though the Option is vested, and the Company shall have no obligation to issue shares of Common Stock subject to your Option, unless and until such
obligations are satisfied. In the event that the amount of the Company&#8217;s withholding obligation in connection with your Option was greater than the amount actually withheld by the Company, you agree to indemnify and hold the Company harmless
from any failure by the Company to withhold the proper amount. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>6.</B> <B>T<SMALL>RANSFERABILITY</SMALL>.</B> Except as otherwise
provided in Section&nbsp;4(e) of the Plan, your Option is not transferable, except by will or by the applicable laws of descent and distribution, and is exercisable during your life only by you. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>7.</B> <B>C<SMALL>ORPORATE</SMALL> T<SMALL>RANSACTION</SMALL>.</B> Your Option is subject to the terms of any agreement governing a
Corporate Transaction involving the Company, including, without limitation, a provision for the appointment of a stockholder representative that is authorized to act on your behalf with respect to any escrow, indemnities and any contingent
consideration. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>8.</B> <B>N<SMALL>O</SMALL> L<SMALL>IABILITY</SMALL> <SMALL>FOR</SMALL>
T<SMALL>AXES</SMALL></B><SMALL><B></B></SMALL><B>.</B> As a condition to accepting the Option, you hereby (a)&nbsp;agree to not make any claim against the Company, or any of its Officers, Directors, Employees or Affiliates related to tax liabilities
arising from the Option or other Company compensation and (b)&nbsp;acknowledge that you were advised to consult with your own personal tax, financial and other legal advisors regarding the tax consequences of the Option and have either done so or
knowingly and voluntarily declined to do so. Additionally, you acknowledge that the Option is exempt from Section&nbsp;409A only if the exercise price is at least equal to the &#8220;fair market value&#8221; of the Common Stock on the date of grant
as determined by the Internal Revenue Service and there is no other impermissible deferral of compensation associated with the Option. Additionally, as a condition to accepting the Option, you agree not make any claim against the Company, or any of
its Officers, Directors, Employees or Affiliates in the event that the Internal Revenue Service asserts that such exercise is less than the &#8220;fair market value&#8221; of the Common Stock on the date of grant as subsequently determined by the
Internal Revenue Service. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>9.</B> <B>S<SMALL>EVERABILITY</SMALL></B><SMALL><B></B></SMALL><B>.</B> If any part of this Option Agreement
or the Plan is declared by any court or governmental authority to be unlawful or invalid, such unlawfulness or invalidity will not invalidate any portion of this Option Agreement or the Plan not declared to be unlawful or invalid.&nbsp;Any Section
of this Option Agreement (or part of such a Section) so declared to be unlawful or invalid will, if possible, be construed in a manner which will give effect to the terms of such Section or part of a Section to the fullest extent possible while
remaining lawful and valid </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>10.</B> <B>O<SMALL>THER</SMALL> D<SMALL>OCUMENTS</SMALL>.</B>&nbsp;You hereby acknowledge receipt of or the
right to receive a document providing the information required by Rule 428(b)(1) promulgated under the Securities Act, which includes the Prospectus.&nbsp;In addition, you acknowledge receipt of the Company&#8217;s Trading Policy. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>11.</B> <B>Q<SMALL>UESTIONS</SMALL>. </B>If you have questions regarding these or any other terms and conditions applicable to your Option,
including a summary of the applicable federal income tax consequences please see the Prospectus. </P>
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<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>5
<FILENAME>d139369dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
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<td colspan="4" style="padding-bottom: .5em"> <p> <b>Calculation of Filing Fee Tables</b> </p> </td> </tr>
<tr>
<td style="padding-bottom: .25em"> <p> <b> <ix:nonNumeric name="ffd:FormTp" contextRef="rc" id="ixv-262">S-8</ix:nonNumeric> </b> </p> </td> </tr>
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<td style="padding-bottom: .25em"> <p> <b> <ix:nonNumeric name="dei:EntityRegistrantName" contextRef="rc" id="ixv-263">LB PHARMACEUTICALS INC</ix:nonNumeric> </b> </p> </td> </tr> </table> </div> <div style="padding-bottom: 20px;">
<table style="float: center; width: 100%; text-align: left; ">
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<th style="vertical-align: bottom; text-align: center; width: 90%; word-wrap: break-word"> <p style="margin: 0pt; text-align: center;"> <b>Table 1: Newly Registered Securities</b> </p> </th> </tr> </table>
<table style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; float: center; width: 90%; text-align: center; border: 1px solid black; margin-left: auto; margin-right: auto;">
<tr style="background-color:#9ADAF6">
<th style="width: 2%;">
 </th>
<th style="width: 10%;"> <p style="margin: 0pt; text-align: center;"> <b>Security Type</b> </p> </th>
<th style="width: 10%;"> <p style="margin: 0pt; text-align: center;"> <b>Security Class Title </b> </p> </th>
<th style="width: 10%;"> <p style="margin: 0pt; text-align: center;"> <b>Fee Calculation Rule</b> </p> </th>
<th style="width: 10%;"> <p style="margin: 0pt; text-align: center;"> <b>Amount Registered</b> </p> </th>
<th style="width: 15%;"> <p style="margin: 0pt; text-align: center;"> <b>Proposed Maximum Offering Price Per Unit</b> </p> </th>
<th style="width: 15%;"> <p style="margin: 0pt; text-align: center;"> <b>Maximum Aggregate Offering Price</b> </p> </th>
<th style="width: 3%;"> <p style="margin: 0pt; text-align: center;"> <b>Fee Rate</b> </p> </th>
<th style="width: 15%;"> <p style="margin: 0pt; text-align: center;"> <b>Amount of Registration Fee</b> </p> </th> </tr>
<tr style="background-color:#E7E7E2">
<td style="text-align: center;"> 1 </td>
<td style="text-align: left;"> <ix:nonNumeric name="ffd:OfferingSctyTp" contextRef="offrl_1" id="ixv-264">Equity</ix:nonNumeric> </td>
<td style="text-align: left;"> <ix:nonNumeric name="ffd:OfferingSctyTitl" contextRef="offrl_1" id="ixv-265">Common Stock, $0.0001 par value per share, reserved for issuance pursuant to the 2025 Equity Incentive Plan</ix:nonNumeric> </td>
<td style="text-align: center;"> <ix:nonNumeric name="ffd:FeesOthrRuleFlg" contextRef="offrl_1" format="ixt:booleantrue" id="ixv-266">Other</ix:nonNumeric> </td>
<td style="text-align: right;"> <ix:nonFraction name="ffd:AmtSctiesRegd" unitRef="Shares" decimals="0" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-267">1,400,197</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:MaxOfferingPricPerScty" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-268">23.08</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:MaxAggtOfferingPric" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-269">32,316,546.76</ix:nonFraction> </td>
<td style="text-align: right;"> <ix:nonFraction name="ffd:FeeRate" unitRef="pure" decimals="7" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-270">0.0001381</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:FeeAmt" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-271">4,462.92</ix:nonFraction> </td> </tr>
<tr style="background-color:#E7E7E2">
<td style="text-align: center;"> 2 </td>
<td style="text-align: left;"> <ix:nonNumeric name="ffd:OfferingSctyTp" contextRef="offrl_2" id="ixv-272">Equity</ix:nonNumeric> </td>
<td style="text-align: left;"> <ix:nonNumeric name="ffd:OfferingSctyTitl" contextRef="offrl_2" id="ixv-273">Common Stock, $0.0001 par value per share, reserved for issuance pursuant to the 2025 Employee Stock Purchase Plan</ix:nonNumeric> </td>
<td style="text-align: center;"> <ix:nonNumeric name="ffd:FeesOthrRuleFlg" contextRef="offrl_2" format="ixt:booleantrue" id="ixv-274">Other</ix:nonNumeric> </td>
<td style="text-align: right;"> <ix:nonFraction name="ffd:AmtSctiesRegd" unitRef="Shares" decimals="0" format="ixt:numdotdecimal" contextRef="offrl_2" id="ixv-275">280,039</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:MaxOfferingPricPerScty" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_2" id="ixv-276">19.61</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:MaxAggtOfferingPric" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_2" id="ixv-277">5,491,564.79</ix:nonFraction> </td>
<td style="text-align: right;"> <ix:nonFraction name="ffd:FeeRate" unitRef="pure" decimals="7" format="ixt:numdotdecimal" contextRef="offrl_2" id="ixv-278">0.0001381</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:FeeAmt" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_2" id="ixv-279">758.39</ix:nonFraction> </td> </tr>
<tr style="background-color:#E7E7E2">
<td style="text-align: center;"> 3 </td>
<td style="text-align: left;"> <ix:nonNumeric name="ffd:OfferingSctyTp" contextRef="offrl_3" id="ixv-280">Equity</ix:nonNumeric> </td>
<td style="text-align: left;"> <ix:nonNumeric name="ffd:OfferingSctyTitl" contextRef="offrl_3" id="ixv-281">Common Stock, par value $0.0001 per share, reserved for issuance pursuant to inducement awards granted outside the Registrant's 2025 Equity Incentive Plan</ix:nonNumeric> </td>
<td style="text-align: center;"> <ix:nonNumeric name="ffd:FeesOthrRuleFlg" contextRef="offrl_3" format="ixt:booleantrue" id="ixv-282">Other</ix:nonNumeric> </td>
<td style="text-align: right;"> <ix:nonFraction name="ffd:AmtSctiesRegd" unitRef="Shares" decimals="0" format="ixt:numdotdecimal" contextRef="offrl_3" id="ixv-283">600,000</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:MaxOfferingPricPerScty" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_3" id="ixv-284">23.08</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:MaxAggtOfferingPric" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_3" id="ixv-285">13,848,000.00</ix:nonFraction> </td>
<td style="text-align: right;"> <ix:nonFraction name="ffd:FeeRate" unitRef="pure" decimals="7" format="ixt:numdotdecimal" contextRef="offrl_3" id="ixv-286">0.0001381</ix:nonFraction> </td>
<td style="text-align: right;"> <span>$</span> <ix:nonFraction name="ffd:FeeAmt" unitRef="USD" decimals="2" format="ixt:numdotdecimal" contextRef="offrl_3" id="ixv-287">1,912.41</ix:nonFraction> </td> </tr>
<tr>
<td colspan="5" style="vertical-align: top"> <p style="margin: 0pt; text-align: right">Total Offering Amounts:</p> </td>
<td>
 </td>
<td style="vertical-align: top; width: 16%;"> <p id="MaxAggtOfferingPrice" style="margin: 0pt; text-align: right"> <span>$</span> <ix:nonFraction name="ffd:TtlOfferingAmt" contextRef="rc" decimals="2" format="ixt:numdotdecimal" unitRef="USD" id="ixv-288">51,656,111.55</ix:nonFraction> </p> </td>
<td>
 </td>
<td style="vertical-align: top; border-bottom: 1px black; width: 16%;"> <p id="TotalFeeAmt" style="margin: 0pt; text-align: right"> <span>$</span> <ix:nonFraction name="ffd:TtlFeeAmt" contextRef="rc" decimals="2" format="ixt:numdotdecimal" unitRef="USD" id="ixv-289">7,133.72</ix:nonFraction> </p> </td> </tr>
<tr>
<td colspan="5" style="vertical-align: top"> <p style="margin: 0pt; text-align: right"> Total Fee Offsets: </p> </td>
<td>
 </td>
<td>
 </td>
<td>
 </td>
<td style="vertical-align: top"> <p id="TotalOffsetAmt" style="margin: 0pt; text-align: right"> <span>$</span> <ix:nonFraction name="ffd:TtlOffsetAmt" contextRef="rc" decimals="2" format="ixt:numdotdecimal" unitRef="USD" id="ixv-290">0.00</ix:nonFraction> </p> </td> </tr>
<tr>
<td colspan="5" style="vertical-align: top"> <p style="margin: 0pt; text-align: right"> Net Fee Due: </p> </td>
<td>
 </td>
<td>
 </td>
<td>
 </td>
<td style="vertical-align: top"> <p id="NetFeeAmt" style="margin: 0pt; text-align: right"> <span>$</span> <ix:nonFraction name="ffd:NetFeeAmt" contextRef="rc" decimals="2" format="ixt:numdotdecimal" unitRef="USD" id="ixv-291">7,133.72</ix:nonFraction> </p> </td> </tr> </table> </div> <div>
<table style="width: 90%; margin-left:auto; margin-right:auto; text-indent: 0px;"> <tbody>
<tr style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; vertical-align: top;">
<td> <p style="margin:0pt;text-align:left; margin-bottom: 5px;"> <b>Offering Note</b> </p> </td>
<td/> </tr> </tbody> </table> </div> <div style="padding-bottom: 20px;">
<table style="width: 90%; margin-left:auto; margin-right:auto; text-indent: 0px;">
<tr style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; vertical-align: top;">
<td style="width:10pt;"> <p style="margin:0pt;text-align:left;"> <sup style="vertical-align:top;line-height:120%;font-size:10px">1</sup> </p> </td>
<td colspan="7" style="white-space: pre-line;"> <ix:nonNumeric name="ffd:OfferingNote" escape="1" contextRef="offrl_1" id="ixv-292">(A) Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement shall also cover any additional shares of Common Stock ("Common Stock") of LB Pharmaceuticals Inc (the "Registrant") that become issuable under the Registrant's 2025 Equity Incentive Plan (the "2025 Plan") by reason of any dividend, share split, recapitalization or any other similar transaction that results in an increase in the number of the Registrant's outstanding Common Stock. (B) Estimated in accordance with Rule 457(c) and (h) of the Securities Act solely for the purpose of calculating the registration fee on the basis of $23.08 per share, which is the average of the high and low prices of the Registrant's Common Shares as reported on the Nasdaq Global Market on March 24, 2026. (C) Represents shares of Common Stock that were automatically added to the shares authorized for issuance under the 2025 Plan on January 1, 2026 pursuant to an "evergreen" provision contained in the 2025 Plan. Pursuant to such evergreen provision, on January 1st of each year commencing on January 1, 2026 and ending on (and including) January 1, 2035, the number of shares authorized for issuance under the 2025 Plan is automatically increased by a number equal to five percent (5%) of the total number of shares of capital stock on a fully diluted basis on December 31 of the preceding year, except that, prior to January 1 of a given year, the Registrant's board of directors may determine that the increase for such year will be a lesser number of shares.</ix:nonNumeric> </td> </tr>
<tr>
<td colspan="7"> <hr style="width:100%;text-align:left;margin-left:0"/> </td> </tr>
<tr style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; vertical-align: top;">
<td style="width:10pt;"> <p style="margin:0pt;text-align:left;"> <sup style="vertical-align:top;line-height:120%;font-size:10px">2</sup> </p> </td>
<td colspan="7" style="white-space: pre-line;"> <ix:nonNumeric name="ffd:OfferingNote" escape="1" contextRef="offrl_2" id="ixv-293">(A) Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement shall also cover any additional shares of the Registrant's Common Stock that become issuable under the Registrant's 2025 Employee Stock Purchase Plan (the "2025 ESPP") by reason of any dividend, share split, recapitalization or any other similar transaction that results in an increase in the number of the Registrant's outstanding Common Stock. (B) Estimated in accordance with Rule 457(c) and (h) of the Securities Act solely for the purpose of calculating the registration fee on the basis of $19.61 per share, which is the average of the high and low prices of the Registrant's Common Shares as reported on the Nasdaq Global Market on March 24, 2026 multiplied by 85%, which is the percentage of the price per share applicable to purchases under the 2025 ESPP. (C) Represents shares of Common Stock that were automatically added to the shares authorized for issuance under the 2025 ESPP on January 1, 2026 pursuant to an "evergreen" provision contained in the 2025 ESPP. Pursuant to such evergreen provision, on January 1st of each year commencing on January 1, 2026 and ending on (and including) January 1, 2035, the number of shares authorized for issuance under the 2025 ESPP is automatically increased by a number equal to the lesser of: (i) one percent (1%) of the total number of shares of capital stock on a fully diluted basis on December 31st of the preceding calendar year and (ii) 402,000 shares of Common Stock; provided, however, that the Registrant's board of directors may act prior to January 1st of a given year to provide that there will be no increase in the share reserve for such calendar year or that the increase for such year will be a lesser number of shares of Common Stock than would otherwise occur.</ix:nonNumeric> </td> </tr>
<tr>
<td colspan="7"> <hr style="width:100%;text-align:left;margin-left:0"/> </td> </tr>
<tr style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; vertical-align: top;">
<td style="width:10pt;"> <p style="margin:0pt;text-align:left;"> <sup style="vertical-align:top;line-height:120%;font-size:10px">3</sup> </p> </td>
<td colspan="7" style="white-space: pre-line;"> <ix:nonNumeric name="ffd:OfferingNote" escape="1" contextRef="offrl_3" id="ixv-294">(A) The amount registered represents shares of common stock reserved for issuance upon the exercise of stock options granted outside the 2025 Plan but pursuant to the terms of the 2025 Plan as if such stock options were granted under the 2025 Plan, as inducement grants pursuant to Rule 5635(c)(4) of the Nasdaq Listing Rules. (B) Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and (h) of the Securities Act. The maximum offering price per share and the maximum aggregate offering price for the 600,000 shares of common stock underlying stock options issued to several employees of the Registrant as material inducement to their acceptance of employment with the Registrant are calculated on the basis of $23.08 per share, which is the average of the high and low prices of the Registrant's Common Stock as reported on the Nasdaq Global Market on March 24, 2026.</ix:nonNumeric> </td> </tr>
<tr>
<td colspan="7"> <hr style="width:100%;text-align:left;margin-left:0"/> </td> </tr> </table> </div> <div style="padding-bottom: 20px;">
<table style="float: center; width: 100%; text-align: left; ">
<tr style="font-family: Arial, Helvetica, sans-serif; font-size: 16px">
<th style="vertical-align: bottom; text-align: left; word-wrap: break-word"> <b>Table 2: Fee Offset Claims and Sources</b> </th>
<th style="vertical-align: bottom; word-wrap: break-word; text-align: right;"> <span style="-sec-ix-hidden: hiddenrcOffsetTableNa">&#9745;Not Applicable</span> </th> </tr> </table>
<table style="font-family: Arial, Helvetica, sans-serif; font-size: 16px; float: center; width: 100%; text-align: center; border: 1px solid black;">
<tr style="background-color:#9ADAF6">
<th style="width: 10%; text-align: left;">
 </th>
<th style="width: 8%; text-align: left;">
 </th>
<th style="width: 16%;"> Registrant or Filer Name </th>
<th style="width: 6%;"> Form or Filing Type </th>
<th style="width: 7%;"> File Number </th>
<th style="width: 6%;"> Initial Filing Date </th>
<th style="width: 6%;"> Filing Date </th>
<th style="width: 6%;"> Fee Offset Claimed </th>
<th style="width: 6%;"> Security Type Associated with Fee Offset Claimed </th>
<th style="width: 8%;"> Security Title Associated with Fee Offset Claimed </th>
<th style="width: 6%;"> Unsold Securities Associated with Fee Offset Claimed </th>
<th style="width: 9%;"> Unsold Aggregate Offering Amount Associated with Fee Offset Claimed </th>
<th style="width: 6%;"> Fee Paid with Fee Offset Source </th> </tr>
<tr>
<td colspan="14" style="text-align: center"> <b>Rule 457(p)</b> </td> </tr>
<tr style="background-color:#E7E7E2">
<td style="text-align: left;"> Fee Offset Claims </td>
<td> </td>
<td style="text-align: left;"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td style="text-align: right;"> </td>
<td style="text-align: left;"> </td>
<td style="text-align: left;"> </td>
<td style="text-align: right;"> </td>
<td style="text-align: right;"> </td>
<td style="text-align: right;"> </td> </tr>
<tr style="background-color:#E7E7E2">
<td style="text-align: left;"> Fee Offset Sources </td>
<td> </td>
<td style="text-align: left;"> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td style="text-align: right;"> </td>
<td style="text-align: left;"> </td>
<td style="text-align: left;"> </td>
<td style="text-align: right;"> </td>
<td style="text-align: right;"> </td>
<td style="text-align: right;"> </td> </tr> </table> </div> </body></html>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Submission<br></strong></div></th>
<th class="th"><div>Mar. 25, 2026</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_SubmissionLineItems', window );"><strong>Submission [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Central Index Key</a></td>
<td class="text">0001691082<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Registrant Name</a></td>
<td class="text">LB PHARMACEUTICALS INC<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FormTp', window );">Form Type</a></td>
<td class="text">S-8<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_SubmissnTp', window );">Submission Type</a></td>
<td class="text">S-8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeeExhibitTp', window );">Fee Exhibit Type</a></td>
<td class="text">EX-FILING FEES<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingTableNa', window );">Offering Table N/A</a></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OffsetTableNa', window );">Offset Table N/A</a></td>
<td class="text">N/A<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
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<td>dei_</td>
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<tr>
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<td>dei:centralIndexKeyItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_FeeExhibitTp">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_FeeExhibitTp</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ffd_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>ffd:feeExhibitTypeItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_FormTp">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_FormTp</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ffd_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>ffd:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_OfferingTableNa">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_OfferingTableNa</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ffd_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>ffd:naItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_OffsetTableNa">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_OffsetTableNa</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ffd_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>ffd:naItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_SubmissionLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_SubmissionLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ffd_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_SubmissnTp">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_SubmissnTp</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ffd_</td>
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<td><strong> Data Type:</strong></td>
<td>ffd:submissionTypeItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</body>
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</TEXT>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Offerings<br></strong></div></th>
<th class="th">
<div>Mar. 25, 2026 </div>
<div>USD ($) </div>
<div>shares</div>
</th>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingAxis=1', window );">Offering: 1</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingTable', window );"><strong>Offering:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_PrevslyPdFlg', window );">Fee Previously Paid</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeesOthrRuleFlg', window );">Other Rule</a></td>
<td class="text">true<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingSctyTp', window );">Security Type</a></td>
<td class="text">Equity<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingSctyTitl', window );">Security Class Title</a></td>
<td class="text">Common Stock, $0.0001 par value per share, reserved for issuance pursuant to the 2025 Equity Incentive Plan<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_AmtSctiesRegd', window );">Amount Registered | shares</a></td>
<td class="nump">1,400,197<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxOfferingPricPerScty', window );">Proposed Maximum Offering Price per Unit</a></td>
<td class="nump">23.08<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxAggtOfferingPric', window );">Maximum Aggregate Offering Price</a></td>
<td class="nump">$ 32,316,546.76<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeeRate', window );">Fee Rate</a></td>
<td class="nump">0.01381%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeeAmt', window );">Amount of Registration Fee</a></td>
<td class="nump">$ 4,462.92<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingNote', window );">Offering Note</a></td>
<td class="text">(A) Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement shall also cover any additional shares of Common Stock ("Common Stock") of LB Pharmaceuticals Inc (the "Registrant") that become issuable under the Registrant's 2025 Equity Incentive Plan (the "2025 Plan") by reason of any dividend, share split, recapitalization or any other similar transaction that results in an increase in the number of the Registrant's outstanding Common Stock. (B) Estimated in accordance with Rule 457(c) and (h) of the Securities Act solely for the purpose of calculating the registration fee on the basis of $23.08 per share, which is the average of the high and low prices of the Registrant's Common Shares as reported on the Nasdaq Global Market on March 24, 2026. (C) Represents shares of Common Stock that were automatically added to the shares authorized for issuance under the 2025 Plan on January 1, 2026 pursuant to an "evergreen" provision contained in the 2025 Plan. Pursuant to such evergreen provision, on January 1st of each year commencing on January 1, 2026 and ending on (and including) January 1, 2035, the number of shares authorized for issuance under the 2025 Plan is automatically increased by a number equal to five percent (5%) of the total number of shares of capital stock on a fully diluted basis on December 31 of the preceding year, except that, prior to January 1 of a given year, the Registrant's board of directors may determine that the increase for such year will be a lesser number of shares.<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingAxis=2', window );">Offering: 2</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingTable', window );"><strong>Offering:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_PrevslyPdFlg', window );">Fee Previously Paid</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeesOthrRuleFlg', window );">Other Rule</a></td>
<td class="text">true<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingSctyTp', window );">Security Type</a></td>
<td class="text">Equity<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingSctyTitl', window );">Security Class Title</a></td>
<td class="text">Common Stock, $0.0001 par value per share, reserved for issuance pursuant to the 2025 Employee Stock Purchase Plan<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_AmtSctiesRegd', window );">Amount Registered | shares</a></td>
<td class="nump">280,039<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxOfferingPricPerScty', window );">Proposed Maximum Offering Price per Unit</a></td>
<td class="nump">19.61<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxAggtOfferingPric', window );">Maximum Aggregate Offering Price</a></td>
<td class="nump">$ 5,491,564.79<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeeRate', window );">Fee Rate</a></td>
<td class="nump">0.01381%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeeAmt', window );">Amount of Registration Fee</a></td>
<td class="nump">$ 758.39<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingNote', window );">Offering Note</a></td>
<td class="text">(A) Pursuant to Rule 416(a) under the Securities Act of 1933, as amended (the "Securities Act"), this Registration Statement shall also cover any additional shares of the Registrant's Common Stock that become issuable under the Registrant's 2025 Employee Stock Purchase Plan (the "2025 ESPP") by reason of any dividend, share split, recapitalization or any other similar transaction that results in an increase in the number of the Registrant's outstanding Common Stock. (B) Estimated in accordance with Rule 457(c) and (h) of the Securities Act solely for the purpose of calculating the registration fee on the basis of $19.61 per share, which is the average of the high and low prices of the Registrant's Common Shares as reported on the Nasdaq Global Market on March 24, 2026 multiplied by 85%, which is the percentage of the price per share applicable to purchases under the 2025 ESPP. (C) Represents shares of Common Stock that were automatically added to the shares authorized for issuance under the 2025 ESPP on January 1, 2026 pursuant to an "evergreen" provision contained in the 2025 ESPP. Pursuant to such evergreen provision, on January 1st of each year commencing on January 1, 2026 and ending on (and including) January 1, 2035, the number of shares authorized for issuance under the 2025 ESPP is automatically increased by a number equal to the lesser of: (i) one percent (1%) of the total number of shares of capital stock on a fully diluted basis on December 31st of the preceding calendar year and (ii) 402,000 shares of Common Stock; provided, however, that the Registrant's board of directors may act prior to January 1st of a given year to provide that there will be no increase in the share reserve for such calendar year or that the increase for such year will be a lesser number of shares of Common Stock than would otherwise occur.<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingAxis=3', window );">Offering: 3</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingTable', window );"><strong>Offering:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_PrevslyPdFlg', window );">Fee Previously Paid</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeesOthrRuleFlg', window );">Other Rule</a></td>
<td class="text">true<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingSctyTp', window );">Security Type</a></td>
<td class="text">Equity<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingSctyTitl', window );">Security Class Title</a></td>
<td class="text">Common Stock, par value $0.0001 per share, reserved for issuance pursuant to inducement awards granted outside the Registrant's 2025 Equity Incentive Plan<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_AmtSctiesRegd', window );">Amount Registered | shares</a></td>
<td class="nump">600,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxOfferingPricPerScty', window );">Proposed Maximum Offering Price per Unit</a></td>
<td class="nump">23.08<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxAggtOfferingPric', window );">Maximum Aggregate Offering Price</a></td>
<td class="nump">$ 13,848,000.00<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeeRate', window );">Fee Rate</a></td>
<td class="nump">0.01381%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeeAmt', window );">Amount of Registration Fee</a></td>
<td class="nump">$ 1,912.41<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_OfferingNote', window );">Offering Note</a></td>
<td class="text">(A) The amount registered represents shares of common stock reserved for issuance upon the exercise of stock options granted outside the 2025 Plan but pursuant to the terms of the 2025 Plan as if such stock options were granted under the 2025 Plan, as inducement grants pursuant to Rule 5635(c)(4) of the Nasdaq Listing Rules. (B) Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and (h) of the Securities Act. The maximum offering price per share and the maximum aggregate offering price for the 600,000 shares of common stock underlying stock options issued to several employees of the Registrant as material inducement to their acceptance of employment with the Registrant are calculated on the basis of $23.08 per share, which is the average of the high and low prices of the Registrant's Common Stock as reported on the Nasdaq Global Market on March 24, 2026.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_AmtSctiesRegd</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_FeeAmt</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_FeeRate</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_FeesOthrRuleFlg</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_MaxAggtOfferingPric</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_MaxOfferingPricPerScty</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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    <ffd:OfferingNote contextRef="offrl_3" id="ixv-294">(A) The amount registered represents shares of common stock reserved for issuance upon the exercise of stock options granted outside the 2025 Plan but pursuant to the terms of the 2025 Plan as if such stock options were granted under the 2025 Plan, as inducement grants pursuant to Rule 5635(c)(4) of the Nasdaq Listing Rules. (B) Estimated solely for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and (h) of the Securities Act. The maximum offering price per share and the maximum aggregate offering price for the 600,000 shares of common stock underlying stock options issued to several employees of the Registrant as material inducement to their acceptance of employment with the Registrant are calculated on the basis of $23.08 per share, which is the average of the high and low prices of the Registrant's Common Stock as reported on the Nasdaq Global Market on March 24, 2026.</ffd:OfferingNote>
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