<SEC-DOCUMENT>0001193125-25-197877-index.html : 20250908
<SEC-HEADER>0001193125-25-197877.hdr.sgml : 20250908
<ACCEPTANCE-DATETIME>20250908100339
ACCESSION NUMBER:		0001193125-25-197877
CONFORMED SUBMISSION TYPE:	S-1/A
PUBLIC DOCUMENT COUNT:		64
FILED AS OF DATE:		20250908
DATE AS OF CHANGE:		20250908

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-1/A
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-289812
		FILM NUMBER:		251298829

	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-1/A
<SEQUENCE>1
<FILENAME>d12080ds1a.htm
<DESCRIPTION>S-1/A
<TEXT>
Document 1 - file: d12080ds1a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-3.2
<SEQUENCE>2
<FILENAME>d12080dex32.htm
<DESCRIPTION>EX-3.2
<TEXT>
Document 2 - file: d12080dex32.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>3
<FILENAME>d12080dex41.htm
<DESCRIPTION>EX-4.1
<TEXT>
Document 3 - file: d12080dex41.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>d12080dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 4 - file: d12080dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.8
<SEQUENCE>5
<FILENAME>d12080dex108.htm
<DESCRIPTION>EX-10.8
<TEXT>
Document 5 - file: d12080dex108.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.9
<SEQUENCE>6
<FILENAME>d12080dex109.htm
<DESCRIPTION>EX-10.9
<TEXT>
Document 6 - file: d12080dex109.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.10
<SEQUENCE>7
<FILENAME>d12080dex1010.htm
<DESCRIPTION>EX-10.10
<TEXT>
Document 7 - file: d12080dex1010.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.11
<SEQUENCE>8
<FILENAME>d12080dex1011.htm
<DESCRIPTION>EX-10.11
<TEXT>
Document 8 - file: d12080dex1011.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.15
<SEQUENCE>9
<FILENAME>d12080dex1015.htm
<DESCRIPTION>EX-10.15
<TEXT>
Document 9 - file: d12080dex1015.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.16
<SEQUENCE>10
<FILENAME>d12080dex1016.htm
<DESCRIPTION>EX-10.16
<TEXT>
Document 10 - file: d12080dex1016.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-10.23
<SEQUENCE>11
<FILENAME>d12080dex1023.htm
<DESCRIPTION>EX-10.23
<TEXT>
Document 11 - file: d12080dex1023.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>12
<FILENAME>d12080dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 12 - file: d12080dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>13
<FILENAME>d12080dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 13 - file: d12080dex991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.2
<SEQUENCE>14
<FILENAME>d12080dex992.htm
<DESCRIPTION>EX-99.2
<TEXT>
Document 14 - file: d12080dex992.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>15
<FILENAME>d12080dexfilingfees.htm
<DESCRIPTION>EX-FILING FEES
<TEXT>
Document 15 - file: d12080dexfilingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g12080g01p65.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g12080g01p65.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g12080g02p65.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g12080g02p65.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g12080g03a73.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g12080g03a73.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g12080g03a75.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g12080g03a75.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g12080g03b73.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g12080g03b73.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g12080g03b75.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g12080g03b75.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g12080g03l46.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g12080g03l46.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>g12080g03r66.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g12080g03r66.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g12080g03r70.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g12080g03r70.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g12080g03r72.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g12080g03r72.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>g12080g03r76.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: g12080g03r76.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>g12080g03r84.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: g12080g03r84.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>g12080g03r85.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: g12080g03r85.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>g12080g05h01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: g12080g05h01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>g12080g07t84.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 30 - file: g12080g07t84.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>31
<FILENAME>g12080g0907100113636.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 31 - file: g12080g0907100113636.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>32
<FILENAME>g12080g11v99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 32 - file: g12080g11v99.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>33
<FILENAME>g12080g15u24.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 33 - file: g12080g15u24.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>34
<FILENAME>g12080g16t96.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 34 - file: g12080g16t96.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>35
<FILENAME>g12080g20l82.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 35 - file: g12080g20l82.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>36
<FILENAME>g12080g23m57.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 36 - file: g12080g23m57.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>37
<FILENAME>g12080g24d83.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 37 - file: g12080g24d83.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>38
<FILENAME>g12080g26j13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 38 - file: g12080g26j13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>39
<FILENAME>g12080g27v96.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 39 - file: g12080g27v96.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>40
<FILENAME>g12080g42a80.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 40 - file: g12080g42a80.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>41
<FILENAME>g12080g54n82.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 41 - file: g12080g54n82.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>42
<FILENAME>g12080g56v34.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 42 - file: g12080g56v34.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>43
<FILENAME>g12080g58d74.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 43 - file: g12080g58d74.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>44
<FILENAME>g12080g59s60.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 44 - file: g12080g59s60.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>45
<FILENAME>g12080g65h87.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 45 - file: g12080g65h87.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>46
<FILENAME>g12080g66z54.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 46 - file: g12080g66z54.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>47
<FILENAME>g12080g75h77.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 47 - file: g12080g75h77.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>48
<FILENAME>g12080g93g01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 48 - file: g12080g93g01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>49
<FILENAME>g12080g93g02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 49 - file: g12080g93g02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>50
<FILENAME>g12080g93j60.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 50 - file: g12080g93j60.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>51
<FILENAME>g12080g94g01.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 51 - file: g12080g94g01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>52
<FILENAME>g12080g94g02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 52 - file: g12080g94g02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>53
<FILENAME>g12080g94g03.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 53 - file: g12080g94g03.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>54
<FILENAME>g12080g98e95.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 54 - file: g12080g98e95.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>56
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 56 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>57
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 57 - file: R2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>58
<FILENAME>R3.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 58 - file: R3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>59
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 59 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>60
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 60 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>62
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 62 - file: FilingSummary.html

Document 62 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>64
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 64 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>65
<FILENAME>0001193125-25-197877-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 65 - file: 0001193125-25-197877-xbrl.zip

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>66
<FILENAME>d12080dexfilingfees_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 66 - file: d12080dexfilingfees_htm.html

Document 66 - RAW XML: d12080dexfilingfees_htm.xml

</DOCUMENT>
</SEC-DOCUMENT>