<SEC-DOCUMENT>0001628280-25-039640.txt : 20250811
<SEC-HEADER>0001628280-25-039640.hdr.sgml : 20250811
<ACCEPTANCE-DATETIME>20250811171714
ACCESSION NUMBER:		0001628280-25-039640
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		14
FILED AS OF DATE:		20250811
DATE AS OF CHANGE:		20250811
EFFECTIVENESS DATE:		20250811

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Heartflow, Inc.
		CENTRAL INDEX KEY:			0001464521
		STANDARD INDUSTRIAL CLASSIFICATION:	SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				260506743
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0811

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-289501
		FILM NUMBER:		251203032

	BUSINESS ADDRESS:	
		STREET 1:		331 E EVELYN AVENUE
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94041
		BUSINESS PHONE:		650-241-1221

	MAIL ADDRESS:	
		STREET 1:		331 E EVELYN AVENUE
		CITY:			MOUNTAIN VIEW
		STATE:			CA
		ZIP:			94041

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Cardiovascular Simulation, Inc.
		DATE OF NAME CHANGE:	20090519
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>heartflowinc-sx8xespp.htm
<DESCRIPTION>S-8
<TEXT>
<html><head>
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<title>Document</title></head><body><div id="ie54115bebdce404d9cffaca200354c5f_42"></div><div style="min-height:9pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:108%">As filed with the Securities and Exchange Commission on August 11, 2025</font></div><div style="text-align:right"><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:108%">Registration No.</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:700;line-height:108%;text-decoration:underline">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><font style="color:#000000;font-family:'Arial',sans-serif;font-size:8pt;font-weight:400;line-height:108%;text-decoration:underline">&#160;</font></div><div style="margin-bottom:3pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-top:3pt double #000;padding:0 1pt 0 3.77pt"></td></tr></table></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:14pt;font-weight:700;line-height:108%">UNITED STATES</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:14pt;font-weight:700;line-height:108%">SECURITIES AND EXCHANGE COMMISSION</font></div><div style="margin-bottom:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:108%">Washington, D.C. 20549</font></div><div style="margin-bottom:9pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:16.792%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:14pt;font-weight:700;line-height:108%">FORM S-8</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:108%">REGISTRATION STATEMENT</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:108%">UNDER</font></div><div style="margin-bottom:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:108%">THE SECURITIES ACT OF 1933</font></div><div style="margin-bottom:9pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:16.792%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:14pt;font-weight:700;line-height:108%">HEARTFLOW, INC.</font></div><div style="margin-bottom:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:108%">(Exact name of registrant as specified in its charter)</font></div><div style="margin-bottom:9pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:16.792%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="margin-bottom:6pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:96.969%"><tr><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:48.900%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Delaware</font></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">26-0506743</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(State or other jurisdiction of</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">incorporation or organization)</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">(I.R.S. Employer</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:100%">Identification No.)</font></div></td></tr></table></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:108%">331 E. Evelyn Avenue</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:108%">Mountain View, California 94041</font></div><div style="margin-bottom:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:108%">(Address, including zip code, of Principal Executive Offices) </font></div><div style="margin-bottom:9pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:16.792%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:108%">Heartflow, Inc.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:108%">2025 Employee Stock Purchase Plan</font></div><div style="margin-bottom:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:108%"> (Full title of the plan)</font></div><div style="margin-bottom:9pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:16.792%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">John C.M. Farquhar</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">President and Chief Executive Officer </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Heartflow, Inc.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">331 E. Evelyn Avenue</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Mountain View, California 94041</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">(650) 241-1221</font></div><div style="margin-bottom:9pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:8pt;font-weight:400;line-height:108%">(Name, address and telephone number, including area code, of agent for service)</font></div><div style="margin-bottom:9pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">COPY TO&#58; </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Angela Ahmad</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Heartflow, Inc.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">331 E. Evelyn Avenue</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Mountain View, California 94041</font></div><div style="margin-bottom:9pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">(650) 241-1221</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Shelly Heyduk, Esq.</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Ryan Coombs, Esq. </font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">O&#8217;Melveny &#38; Myers LLP</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">610 Newport Center Drive, 17</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:6.5pt;font-weight:400;line-height:108%;position:relative;top:-3.5pt;vertical-align:baseline">th</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%"> Floor</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Newport Beach, California 92660</font></div><div style="margin-bottom:6pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">(949) 823-6900</font></div><div style="margin-bottom:9pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:16.792%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:1pt solid #000;padding:0 1pt"></td></tr></table></div><div style="margin-bottom:9pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a 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&#160;12b-2 of the Exchange Act. </font></div><div style="margin-bottom:9pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:14.935%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:61.147%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:18.218%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:2.200%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Large accelerated filer</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'null',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9744;</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Accelerated filer</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'null',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9744;</font></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Non-accelerated filer</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><font style="color:#000000;font-family:'null',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9746;</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Smaller reporting company</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'null',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9744;</font></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:100%">Emerging growth company</font></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div><font style="color:#000000;font-family:'null',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#9746;</font></div></td></tr></table></div><div style="margin-bottom:9pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:108%">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 7(a)(2)(B) of the Securities Act. </font><font style="color:#000000;font-family:'null',sans-serif;font-size:10pt;font-weight:400;line-height:108%">&#9744;</font></div><div style="margin-bottom:3pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:3pt double #000;padding:0 1pt 0 3.77pt"></td></tr></table></div><div style="height:9pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div></div></div><div id="ie54115bebdce404d9cffaca200354c5f_45"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">EXPLANATORY NOTE</font></div><div style="margin-bottom:36pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">The Heartflow, Inc. 2025 Employee Stock Purchase Plan (the &#8220;Plan&#8221;) includes an evergreen provision, which provides that the total number of shares reserved for issuance under the Plan will automatically increase on the first trading day in January of each calendar year during the term of the Plan by an amount equal to the lesser of (i) one percent (1%) of the total number of shares of common stock, par value $0.001 per share (the &#8220;Common Stock&#8221;), of Heartflow, Inc. (the &#8220;Company&#8221; or &#8220;Registrant&#8221;) issued and outstanding on December 31 of the immediately preceding year or (ii)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-style:italic;font-weight:400;line-height:105%"> </font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">such number of shares of Common Stock as may be established by the Company&#8217;s Board of Directors. </font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">2</font></div></div></div><div id="ie54115bebdce404d9cffaca200354c5f_210"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">PART I</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">INFORMATION REQUIRED IN THE</font></div><div style="margin-bottom:24pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">SECTION 10(a) PROSPECTUS</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">The document(s) containing the information specified in Part I of Form S-8 will be sent or given to participants as specified by Rule&#160;428(b)(1) promulgated under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;).</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">3</font></div></div></div><div id="ie54115bebdce404d9cffaca200354c5f_227"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">PART II</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">INFORMATION REQUIRED IN THE</font></div><div style="margin-bottom:24pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">REGISTRATION STATEMENT</font></div><div id="ie54115bebdce404d9cffaca200354c5f_285"></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-72pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">Item 3.&#160;&#160;&#160;&#160;Incorporation of Certain Documents by Reference</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">The following documents of the Company filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;) are incorporated herein by reference&#58; </font></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(a)&#160;&#160;&#160;&#160;The Company&#8217;s prospectus, dated August 7, 2025, filed with the Commission pursuant to Rule 424(b) of the Securities Act, relating to the Registration Statement on Form S-1, as amended (Commission File No. 333-288733), which includes the unaudited consolidated financial statements of Heartflow, Inc. for the three months ended March 31, 2025, and the consolidated financial statements of Heartflow, Inc. for the years ended December 31, 2023 and 2024.</font></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(b)&#160;&#160;&#160;&#160;The description of the Company&#8217;s Common Stock contained in its Registration Statement on Form 8-A (Commission File No. 001-42790), filed with the Commission on August 7, 2025, and any other amendment or report filed for the purpose of updating such description.</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">All documents subsequently filed by the Company pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), 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&#59; provided, however, that documents or information deemed to have been furnished and not filed in accordance with Commission rules shall not be deemed incorporated by reference into this Registration Statement.  Any statement contained herein or in a document, all or a portion of which is 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 contained herein or in any other subsequently filed document which 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 be deemed, except as so modified or amended, to constitute a part of this Registration Statement.</font></div><div id="ie54115bebdce404d9cffaca200354c5f_301"></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-72pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">Item 4.&#160;&#160;&#160;&#160;Description of Securities</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">Not applicable.</font></div><div id="ie54115bebdce404d9cffaca200354c5f_315"></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-72pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">Item 5.&#160;&#160;&#160;&#160;Interests of Named Experts and Counsel</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">The validity of the issuance of Common Stock registered hereby is passed on for the Company by Angela Ahmad.  Ms. Ahmad is the Chief Legal &#38; Compliance Officer of the Company and is compensated by the Company as an employee.  Ms. Ahmad owns 15,131 shares of Common Stock, 15,460 restricted stock units that are payable in an equivalent number of shares of Common Stock, and Company stock options to acquire up to an additional 303,845 shares of Common Stock.  Ms. Ahmad is eligible to receive awards under the Plan.</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">4</font></div></div></div><div id="ie54115bebdce404d9cffaca200354c5f_329"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-72pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">Item 6.&#160;&#160;&#160;&#160;Indemnification of Directors and Officers</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">Section 145 of the General Corporation Law of the State of Delaware (the &#8220;Delaware General Corporation Law&#8221;) provides that a corporation may indemnify directors and officers as well as other employees and individuals against expenses (including attorneys&#8217; fees), judgments, fines, and amounts paid in settlement actually and reasonably incurred by such person in connection with any threatened, pending, or completed actions, suits, or proceedings in which such person is made a party by reason of such person being or having been a director, officer, employee, or agent to the Registrant. The Delaware General Corporation Law provides that Section 145 is not exclusive of other rights to which those seeking indemnification may be entitled under any bylaw, agreement, vote of stockholders or disinterested directors, or otherwise. Article VIII of the Registrant&#8217;s amended and restated certificate of incorporation provides for indemnification by the Registrant of its directors and officers to the fullest extent permitted by the Delaware General Corporation Law. The Registrant has entered into indemnification agreements with each of its current directors, executive officers, and certain other officers to provide these directors and officers additional contractual assurances regarding the scope of the indemnification set forth in the Registrant&#8217;s amended and restated certificate of incorporation and to provide additional procedural protections. There is no pending litigation or proceeding involving a director or executive officer of the Registrant for which indemnification is sought.</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">Section 102(b)(7) of the Delaware General Corporation Law permits a corporation to provide in its certificate of incorporation that a director or an officer of the corporation shall not be personally liable to the corporation or its stockholders for monetary damages for breach of fiduciary duty as a director or an officer, except for liability (i) for any breach of the director&#8217;s or officer&#8217;s duty of loyalty to the corporation or its stockholders, (ii) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii) in the case of directors, for unlawful payments of dividends or unlawful stock repurchases, redemptions, or other distributions, or (iv) for any transaction from which the director or officer derived an improper personal benefit&#59; provided that officers may not be indemnified for actions by or in the right of the corporation. The Registrant&#8217;s amended and restated certificate of incorporation provides for such limitation of liability.</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">The Registrant maintains standard policies of insurance under which coverage is provided (a) to its directors and officers against loss rising from claims made by reason of breach of duty or other wrongful act and (b) to the Registrant with respect to payments that may be made by the Registrant to such officers and directors pursuant to the above indemnification provision or otherwise as a matter of law.</font></div><div id="ie54115bebdce404d9cffaca200354c5f_343"></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-72pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">Item 7.&#160;&#160;&#160;&#160;Exemption from Registration Claimed</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">Not applicable.</font></div><div id="ie54115bebdce404d9cffaca200354c5f_357"></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-72pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">Item 8. &#160;&#160;&#160;&#160;Exhibits</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">See the attached Exhibit Index at page 7, which is incorporated herein by reference.</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">5</font></div></div></div><div id="ie54115bebdce404d9cffaca200354c5f_371"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt;padding-left:72pt;text-indent:-72pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">Item 9.&#160;&#160;&#160;&#160;Undertakings</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(a)&#160;&#160;&#160;&#160;The undersigned Registrant hereby undertakes&#58; </font></div><div style="margin-bottom:12pt;padding-left:108pt;text-indent:-36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(1)&#160;&#160;&#160;&#160;To file, during any period in which offers or sales are being made, a post-effective amendment to this Registration Statement&#58;</font></div><div style="margin-bottom:12pt;padding-left:108pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(i)&#160;&#160;&#160;&#160;To include any prospectus required by Section 10(a)(3) of the Securities Act&#59;</font></div><div style="margin-bottom:12pt;padding-left:108pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(ii)&#160;&#160;&#160;&#160;To reflect in the prospectus any facts or events arising after the effective date of this 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 this Registration Statement&#59;</font></div><div style="margin-bottom:12pt;padding-left:108pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(iii)&#160;&#160;&#160;&#160;To include any material information with respect to the plan of distribution not previously disclosed in this Registration Statement or any material change to such information in this Registration Statement&#59;</font></div><div style="margin-bottom:12pt;padding-left:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-style:italic;font-weight:400;line-height:105%">provided, however,</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%"> that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if 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 13 or 15(d) of the Exchange Act that are incorporated by reference in this Registration Statement.</font></div><div style="margin-bottom:12pt;padding-left:36pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(2)&#160;&#160;&#160;&#160;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 </font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-style:italic;font-weight:400;line-height:105%">bona fide</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%"> offering thereof.</font></div><div style="margin-bottom:12pt;padding-left:36pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(3)&#160;&#160;&#160;&#160;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.</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(b)&#160;&#160;&#160;&#160;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 13(a) or 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan&#8217;s annual report pursuant to Section&#160;15(d) of the Exchange Act) that is incorporated by reference in this Registration Statement 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 </font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-style:italic;font-weight:400;line-height:105%">bona fide</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%"> offering thereof.</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">(h)&#160;&#160;&#160;&#160;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 provisions described in Item 6 above, 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 </font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">6</font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">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. </font></div><div id="ie54115bebdce404d9cffaca200354c5f_48"></div><div style="-sec-extract:summary;margin-bottom:24pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:120%">EXHIBIT INDEX</font></div><div style="margin-bottom:12pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:8.515%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.441%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:88.644%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Exhibit<br>Number</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:400;line-height:120%">Description of Exhibit</font></td></tr><tr style="height:3pt"><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">4</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="https://www.sec.gov/Archives/edgar/data/1464521/000162828025035242/exhibit103-sx1.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Heartflow, Inc. 2025 Employee Stock Purchase Plan (filed as Exhibit 10.3 to the Company&#8217;s Registration Statement on Form S-1 (Commission File No. 333-288733), filed with the Commission on July 17, 2025).</a></font></div></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">5</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="exhibit5-sx8xespp.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Opinion of Counsel (opinion re legality).</a></font></div></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">23.1</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="exhibit231-sx8xespp.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Consent of PricewaterhouseCoopers LLP (consent of independent registered public accounting firm).</a></font></div></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">23.2</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="exhibit5-sx8xespp.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Consent of Counsel (included in Exhibit 5).</a></font></div></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">24</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="#ie54115bebdce404d9cffaca200354c5f_244" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Power of Attorney (included in this Registration Statement under &#8220;Signatures&#8221;).</a></font></div></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">107</font></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div><font style="color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline"><a href="htflexfilingfees81125.htm" style="-sec-extract:exhibit;color:#0000ff;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%;text-decoration:underline">Filing Fee Table</a></font></div></td></tr></table></div><div style="padding-left:72pt;text-indent:-72pt"><font><br></font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">7</font></div></div></div><div id="ie54115bebdce404d9cffaca200354c5f_244"></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:120%">SIGNATURES</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">Pursuant to the requirements of the Securities Act, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Form S-8 Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Mountain View, State of California, on August 11, 2025.</font></div><div style="margin-bottom:36pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:44.733%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:4.508%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:47.459%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="6" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-right:-2.15pt;text-align:justify"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">HEARTFLOW, INC.</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="padding-right:-2.15pt;text-align:justify"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">By&#58;</font></div></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:12pt;margin-top:12pt;text-align:justify"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">&#47;s&#47; John C.M. Farquhar</font></div></td></tr><tr style="height:15pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:justify"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">John C.M. Farquhar</font></div></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="text-align:justify"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">President and Chief Executive Officer</font></div></td></tr></table></div><div style="margin-bottom:12pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:105%">POWER OF ATTORNEY</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:105%">Each person whose signature appears below constitutes and appoints Vikram Verghese, Angela Ahmad and Mhairi L. Jones, and each of them, acting individually and without the other, as his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in his or her name, place, and stead, in any and all capacities, to sign any and all amendments (including post-effective amendments, exhibits thereto and other documents in connection therewith) to this Registration Statement, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Commission, granting unto said attorneys-in-fact 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 attorneys-in-fact and agents, or either of them individually, or their or his substitute or substitutes, may lawfully do or cause to be done by virtue hereof. </font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div></div></div><hr style="page-break-after:always"><div style="min-height:72pt;width:100%"><div style="text-align:right"><font><br></font></div></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Pursuant to the requirements of the Securities Act, this Registration Statement has been signed below by the following persons in the capacities and on the dates indicated.</font></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:25.662%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.441%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:53.707%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.441%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:16.049%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Signature</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Title</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:100%">Date</font></div></td></tr><tr style="height:3pt"><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td></tr><tr style="height:16pt"><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">&#47;s&#47; John C.M. Farquhar</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:139%">President, Chief Executive Officer and Director</font></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:139%">(</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-style:italic;font-weight:400;line-height:139%">Principal Executive Officer</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:139%">)</font></div></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" rowspan="2" style="padding:2px 1pt;text-align:center;vertical-align:middle"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">August 11, 2025</font></td></tr><tr style="height:15pt"><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:left;vertical-align:middle"><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:100%">John C.M. 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                <ix:nonNumeric name="dei:EntityRegistrantName" contextRef="rc" id="ixv-201">Heartflow, Inc.</ix:nonNumeric>
              </b>
            </p>
          </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: 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%;">
            <!-- BLANK -->
          </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-202">Equity</ix:nonNumeric>
          </td>
          <td style="text-align: left;">
            <ix:nonNumeric name="ffd:OfferingSctyTitl" contextRef="offrl_1" id="ixv-203">Common Stock, par value of  $0.001 per share, issuable pursuant  to the  Registrant's 2025 Employee Stock Purchase Plan</ix:nonNumeric>
          </td>
          <td style="text-align: center;">
            <ix:nonNumeric name="ffd:FeesOthrRuleFlg" contextRef="offrl_1" format="ixt:booleantrue" id="ixv-204">Other</ix:nonNumeric>
          </td>
          <td style="text-align: right;">
            <ix:nonFraction name="ffd:AmtSctiesRegd" unitRef="Shares" decimals="0" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-205">1,233,964</ix:nonFraction>
          </td>
          <td style="text-align: right;">
            <span>$</span>
            <ix:nonFraction name="ffd:MaxOfferingPricPerScty" unitRef="USD" decimals="INF" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-206">29.03</ix:nonFraction>
          </td>
          <td style="text-align: right;">
            <span>$</span>
            <ix:nonFraction name="ffd:MaxAggtOfferingPric" unitRef="USD" decimals="INF" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-207">35,821,974.92</ix:nonFraction>
          </td>
          <td style="text-align: right;">
            <ix:nonFraction name="ffd:FeeRate" unitRef="pure" decimals="INF" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-208">0.0001531</ix:nonFraction>
          </td>
          <td style="text-align: right;">
            <span>$</span>
            <ix:nonFraction name="ffd:FeeAmt" unitRef="USD" decimals="INF" format="ixt:numdotdecimal" contextRef="offrl_1" id="ixv-209">5,484.34</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>
            <!-- BLANK -->
          </td>
          <td style="vertical-align: top; width: 16%;">
            <p id="MaxAggtOfferingPrice" style="margin: 0pt; text-align: right">
              <span>$</span>
              <ix:nonFraction name="ffd:TtlOfferingAmt" contextRef="rc" decimals="INF" format="ixt:numdotdecimal" unitRef="USD" id="ixv-210">35,821,974.92</ix:nonFraction>
            </p>
          </td>
          <td>
            <!-- BLANK -->
          </td>
          <td style="vertical-align: top; border-bottom: 1px black; width: 16%;">
            <p id="TotalFeeAmt" style="margin: 0pt; text-align: right">
              <span>$</span>
              <ix:nonFraction name="ffd:TtlFeeAmt" contextRef="rc" decimals="INF" format="ixt:numdotdecimal" unitRef="USD" id="ixv-211">5,484.34</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>
            <!-- BLANK -->
          </td>
          <td>
            <!-- BLANK -->
          </td>
          <td>
            <!-- BLANK -->
          </td>
          <td style="vertical-align: top">
            <p id="TotalOffsetAmt" style="margin: 0pt; text-align: right">
              <span>$</span>
              <ix:nonFraction name="ffd:TtlOffsetAmt" contextRef="rc" decimals="INF" format="ixt:numdotdecimal" unitRef="USD" id="ixv-212">0.00</ix:nonFraction>
            </p>
          </td>
        </tr>
        <tr>
          <td colspan="5" style="vertical-align: top">
            <p style="margin: 0pt; text-align: right">
					Net Fee Due:
				</p>
          </td>
          <td>
            <!-- BLANK -->
          </td>
          <td>
            <!-- BLANK -->
          </td>
          <td>
            <!-- BLANK -->
          </td>
          <td style="vertical-align: top">
            <p id="NetFeeAmt" style="margin: 0pt; text-align: right">
              <span>$</span>
              <ix:nonFraction name="ffd:NetFeeAmt" contextRef="rc" decimals="INF" format="ixt:numdotdecimal" unitRef="USD" id="ixv-213">5,484.34</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-214">1a. This Registration Statement covers, in addition to the number of shares of Heartflow, Inc., a Delaware corporation (the "Company" or the "Registrant"), common stock, par value $0.001 per share (the "Common Stock"), stated above, options and other rights to purchase or acquire the shares of Common Stock covered by this Registration Statement and, pursuant to Rule 416 under the Securities Act of 1933, as amended (the "Securities Act"), an additional indeterminate number of shares, options and rights that may be offered or issued pursuant to the Heartflow, Inc. 2025 Employee Stock Purchase Plan (the "Plan") as a result of one or more adjustments under the Plan to prevent dilution resulting from one or more stock splits, stock dividends or similar transactions.

1b. Estimated solely for the purpose of calculating the amount of the registration fee. The offering price per share and the aggregate offering price are based upon the average of the high and low prices of the Registrant's common stock as reported on the Nasdaq Stock Market on August 8, 2025, in accordance with Rule 457(c) of the Securities Act.

1c. The registration fee has been calculated in accordance with Rule 457(h) and Rule 457(c) promulgated under the Securities Act.</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;">
            <!-- BLANK -->
          </th>
          <th style="width: 8%; text-align: left;">
            <!-- BLANK -->
          </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>
		N/A
	</td>
          <td style="text-align: left;">
		N/A
	</td>
          <td>
		N/A
	</td>
          <td>
		N/A
	</td>
          <td>
		N/A
	</td>
          <td>
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
          <td style="text-align: left;">
		N/A
	</td>
          <td style="text-align: left;">
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
        </tr>
        <tr style="background-color:#E7E7E2">
          <td style="text-align: left;">
		Fee Offset Sources
	</td>
          <td>
		N/A
	</td>
          <td style="text-align: left;">
		N/A
	</td>
          <td>
		N/A
	</td>
          <td>
		N/A
	</td>
          <td>
		N/A
	</td>
          <td>
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
          <td style="text-align: left;">
		N/A
	</td>
          <td style="text-align: left;">
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
          <td style="text-align: right;">
		N/A
	</td>
        </tr>
      </table>
    </div>
  </body>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>3
<FILENAME>exhibit5-sx8xespp.htm
<DESCRIPTION>EX-5
<TEXT>
<html><head>
<!-- Document created using Wdesk -->
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<title>Document</title></head><body><div id="if466b0ce78474e03b1d84a330cba367b_37"></div><div style="min-height:72pt;width:100%"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 5</font></div></div><div style="text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">&#91;Heartflow Letterhead&#93;</font></div><div style="margin-bottom:12pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">August 11, 2025</font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Heartflow, Inc.</font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">331 E. Evelyn Avenue</font></div><div style="margin-bottom:12pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Mountain View, California 94041</font></div><div style="margin-bottom:12pt;padding-left:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Re&#58;&#160;&#160;&#160;&#160;Registration of Securities of Heartflow, Inc.</font></div><div style="margin-bottom:12pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Ladies and Gentlemen&#58;</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">In connection with the registration of up to 1,233,964 shares of Common Stock of</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:700;line-height:120%"> </font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Heartflow, Inc., a Delaware corporation (the &#8220;Company&#8221;), par value $0.001 per share (the &#8220;Shares&#8221;), under the Securities Act of 1933, as amended, pursuant to a Registration Statement on Form S-8 (the &#8220;Registration Statement&#8221;), filed with the Securities and Exchange Commission on or about the date hereof, such Shares to be issued or delivered pursuant to the</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-style:italic;font-weight:700;line-height:120%"> </font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Heartflow, Inc. 2025 Employee Stock Purchase Plan (the &#8220;Plan&#8221;), you have requested my opinion set forth below.</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">In my capacity as counsel, I have examined originals or copies of those corporate and other records of the Company I considered appropriate.</font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">On the basis of such examination and my consideration of those questions of law I considered relevant, and subject to the limitations and qualifications in this opinion, I am of the opinion that the Shares have been duly authorized by all necessary corporate action on the part of the Company and, when issued in accordance with such authorization, the provisions of the Plan and relevant agreements duly authorized by and in accordance with the terms of the Plan, and upon payment for and delivery of the Shares as contemplated in accordance with the Plan, and either (a) the countersigning of the certificate or certificates representing the Shares by a duly authorized signatory of the registrar for the Company&#8217;s Common Stock, or (b) the book-entry of the Shares by the transfer agent for the Company&#8217;s Common Stock in the name of The Depository Trust Company or its nominee, the Shares will be validly issued, fully paid and non-assessable. </font></div><div style="margin-bottom:12pt;text-indent:36pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">I consent to your filing this opinion as an exhibit to the Registration Statement.</font></div><div style="padding-left:216pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">Respectfully submitted,</font></div><div style="padding-left:216pt"><font><br></font></div><div style="padding-left:216pt"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:112%">&#47;s&#47; Angela Ahmad</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>exhibit231-sx8xespp.htm
<DESCRIPTION>EX-23.1
<TEXT>
<html><head>
<!-- Document created using Wdesk -->
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<title>Document</title></head><body><div id="i63d9b5118f45438fb97e592314ad10cc_37"></div><div style="min-height:72pt;width:100%"><div style="text-align:right"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:10pt;font-weight:700;line-height:120%">Exhibit 23.1</font></div></div><div style="margin-bottom:24pt;text-align:center"><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</font></div><div><font style="color:#000000;font-family:'Georgia',serif;font-size:10pt;font-weight:400;line-height:116%">We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Heartflow, Inc. of our report dated March 26, 2025, except for the effects of the reverse stock split discussed in Note 1 to the consolidated financial statements, as to which the date is August 1, 2025 relating to the financial statements of HeartFlow Holding, Inc. which appears in Heartflow, Inc.&#8217;s Registration Statement on Form S-1 (No. 333-288733)</font><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:116%">.</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">&#47;s&#47; PricewaterhouseCoopers LLP</font></div><div><font><br></font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">San Jose, California</font></div><div><font style="color:#000000;font-family:'Times New Roman',serif;font-size:12pt;font-weight:400;line-height:120%">August 11, 2025</font></div><div style="height:72pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="text-align:center"><font><br></font></div></div></div></body></html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.25.2</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>Aug. 11, 2025</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">0001464521<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">Heartflow, 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>
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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 );">- 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>
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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_FeeExhibitTp</td>
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<td>na</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_FormTp</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_OfferingTableNa</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>
<td style="white-space:nowrap;">ffd_OffsetTableNa</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_SubmissionLineItems</td>
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<td>ffd_</td>
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<td>xbrli:stringItemType</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>
<td style="white-space:nowrap;">ffd_SubmissnTp</td>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>7
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<title></title>
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<span style="display: none;">v3.25.2</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Offerings - Offering: 1<br></strong></div></th>
<th class="th">
<div>Aug. 11, 2025 </div>
<div>USD ($) </div>
<div>shares</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_OfferingTable', window );"><strong>Offering:</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_ffd_PrevslyPdFlg', window );">Fee Previously Paid</a></td>
<td class="text">false<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_FeesOthrRuleFlg', window );">Other Rule</a></td>
<td class="text">true<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_OfferingSctyTp', window );">Security Type</a></td>
<td class="text">Equity<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_OfferingSctyTitl', window );">Security Class Title</a></td>
<td class="text">Common Stock, par value of  $0.001 per share, issuable pursuant  to the  Registrant's 2025 Employee Stock Purchase Plan<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_AmtSctiesRegd', window );">Amount Registered | shares</a></td>
<td class="nump">1,233,964<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxOfferingPricPerScty', window );">Proposed Maximum Offering Price per Unit</a></td>
<td class="nump">29.03<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_MaxAggtOfferingPric', window );">Maximum Aggregate Offering Price</a></td>
<td class="nump">$ 35,821,974.92<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_FeeRate', window );">Fee Rate</a></td>
<td class="nump">0.01531%<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_FeeAmt', window );">Amount of Registration Fee</a></td>
<td class="nump">$ 5,484.34<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_OfferingNote', window );">Offering Note</a></td>
<td class="text">1a. This Registration Statement covers, in addition to the number of shares of Heartflow, Inc., a Delaware corporation (the "Company" or the "Registrant"), common stock, par value $0.001 per share (the "Common Stock"), stated above, options and other rights to purchase or acquire the shares of Common Stock covered by this Registration Statement and, pursuant to Rule 416 under the Securities Act of 1933, as amended (the "Securities Act"), an additional indeterminate number of shares, options and rights that may be offered or issued pursuant to the Heartflow, Inc. 2025 Employee Stock Purchase Plan (the "Plan") as a result of one or more adjustments under the Plan to prevent dilution resulting from one or more stock splits, stock dividends or similar transactions.

1b. Estimated solely for the purpose of calculating the amount of the registration fee. The offering price per share and the aggregate offering price are based upon the average of the high and low prices of the Registrant's common stock as reported on the Nasdaq Stock Market on August 8, 2025, in accordance with Rule 457(c) of the Securities Act.

1c. The registration fee has been calculated in accordance with Rule 457(h) and Rule 457(c) promulgated under the Securities Act.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_AmtSctiesRegd">
<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 amount of securities being registered.</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 Securities Act<br> -Number 230<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;">ffd_AmtSctiesRegd</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 );">- Definition</a><div><p>Total amount of registration fee (amount due after offsets).</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 Securities Act<br> -Number 230<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;">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 );">- Definition</a><div><p>The rate per dollar of fees that public companies and other issuers pay to register their securities with the Commission.</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 Securities Act<br> -Number 230<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;">ffd_FeeRate</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</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 );">- Definition</a><div><p>Checkbox indicating whether filer is using a rule other than 457(a), 457(o), or 457(f) to calculate the registration fee due.</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 Securities Act<br> -Number 230<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;">ffd_FeesOthrRuleFlg</td>
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<td><strong> Period Type:</strong></td>
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</table></div>
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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 );">- Definition</a><div><p>The maximum aggregate offering price for the offering that is being registered.</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 Securities Act<br> -Number 230<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;">ffd_MaxAggtOfferingPric</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></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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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ffd_MaxOfferingPricPerScty">
<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 maximum offering price per share/unit being registered.</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 Securities Act<br> -Number 230<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;">ffd_MaxOfferingPricPerScty</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<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;">ffd_OfferingNote</td>
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<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The title of the class of securities being registered (for each class being registered).</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 Securities Act<br> -Number 230<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;">ffd_OfferingSctyTitl</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Type of securities: "Asset-backed Securities", "ADRs/ADSs", "Debt", "Debt Convertible into Equity", "Equity", "Face Amount Certificates", "Limited Partnership Interests", "Mortgage Backed Securities", "Non-Convertible Debt", "Unallocated (Universal) Shelf", "Exchange Traded Vehicle Securities", "Other"</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 Securities Act<br> -Number 230<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;">ffd_OfferingSctyTp</td>
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<tr>
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<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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<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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<td>duration</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ffd_OfferingAxis=1</td>
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<span style="display: none;">v3.25.2</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fees Summary<br></strong></div></th>
<th class="th">
<div>Aug. 11, 2025 </div>
<div>USD ($)</div>
</th>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_FeesSummaryLineItems', window );"><strong>Fees Summary [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_TtlOfferingAmt', window );">Total Offering</a></td>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_TtlFeeAmt', window );">Total Fee Amount</a></td>
<td class="nump">5,484.34<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_TtlOffsetAmt', window );">Total Offset Amount</a></td>
<td class="nump">0.00<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_ffd_NetFeeAmt', window );">Net Fee</a></td>
<td class="nump">$ 5,484.34<span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<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;">ffd_FeesSummaryLineItems</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<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;">ffd_NetFeeAmt</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<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>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<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;">ffd_TtlOfferingAmt</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<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>
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