Jeffrey C. Lightcap - 16 Dec 2025 Form 4 Insider Report for Heartflow, Inc. (HTFL)

Role: Director
Signature: /s/ Mhairi L. Jones, by power of attorney
Issuer symbol: HTFL
Transactions as of: 16 Dec 2025
Net transactions value: +$1,053,680
Form type: 4
Filing time: 17 Dec 2025, 18:43:50 UTC
Previous filing: 07 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Lightcap Jeffrey C	Director	C/O HEARTFLOW, INC., MOUNTAIN VIEW	/s/ Mhairi L. Jones, by power of attorney	17 Dec 2025	0001519465

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	* Price $	Shares After	Date	Ownership	Footnotes
transaction	HTFL	Common Stock	Purchase	$1,053,680	+40,000	$26.34	40,000	16 Dec 2025	Direct	F1
holding	HTFL	Common Stock					4,615,542	16 Dec 2025	By HCPCIV 1, LLC	F2
holding	HTFL	Common Stock					833,075	16 Dec 2025	By HealthCor Partners Fund II, L.P.	F2
holding	HTFL	Common Stock					1,248,939	16 Dec 2025	By HealthCor Partners Fund, L.P.	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at price ranging from $25.645 to $26.750. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
F2	Mr. Lightcap is a controlling member of each of HCPCIV 1, LLC, HealthCor Partners Fund II, L.P. and HealthCor Partners Fund, L.P. and may be deemed to have voting and dispositive power with respect to the shares. Mr. Lightcap disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

Content

This transaction was executed in multiple trades at price ranging from $25.645 to $26.750. The price reported above reflects the weighted average purchase price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

Mr. Lightcap is a controlling member of each of HCPCIV 1, LLC, HealthCor Partners Fund II, L.P. and HealthCor Partners Fund, L.P. and may be deemed to have voting and dispositive power with respect to the shares. Mr. Lightcap disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.