STOCK TITAN

Heartflow, Inc. (HTFL) director exercises 47,420 options at $19 per share

(High)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Heartflow, Inc. director Jeffrey C. Lightcap exercised stock options covering 47,420 shares of common stock on July 24, 2026 at an exercise price of $19.00 per share. Following the exercise, his directly held common stock position increased to 293,681 shares, and the reported option grant was fully exhausted.

Affiliated investment entities report additional Heartflow common stock holdings: 4,615,542 shares by HCPCIV 1, LLC, 833,075 shares by HealthCor Partners Fund II, L.P., and 1,248,939 shares by HealthCor Partners Fund, L.P. Lightcap may be deemed to share voting and dispositive power over these securities but disclaims beneficial ownership beyond his pecuniary interest.

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Insider Lightcap Jeffrey C
Role Director
Type Security Shares Price Value
Exercise Stock Option F2 47,420 $0.00 $0.00
Exercise Common Stock 47,420 $19.00 $901K
holding Common Stock -- -- --
holding Common Stock F1 -- -- --
holding Common Stock F1 -- -- --
Holdings After Transaction: Stock Option — 0 shares (Direct); Common Stock — 293,681 shares (Direct); Common Stock — 4,615,542 shares (Indirect, By HCPCIV 1, LLC); Common Stock — 833,075 shares (Indirect, By HealthCor Partners Fund II, L.P.); Common Stock — 1,248,939 shares (Indirect, By HealthCor Partners Fund, L.P.)
Footnotes (2)
  1. F1. Mr. Lightcap is a controlling member of each of 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.
  2. F2. These stock options are fully exercisable.
Options Exercised 47,420 shares Stock options converted into common stock on 2026-07-24
Exercise Price $19.00 per share Exercise price of stock options into Heartflow common stock
Direct Common Stock After Exercise 293,681 shares Direct holdings of Jeffrey C. Lightcap following the transaction
Indirect Holding via HCPCIV 1, LLC 4,615,542 shares Common stock held indirectly "By HCPCIV 1, LLC"
Indirect Holding via HealthCor Partners Fund II, L.P. 833,075 shares Common stock held indirectly by HealthCor Partners Fund II, L.P.
Indirect Holding via HealthCor Partners Fund, L.P. 1,248,939 shares Common stock held indirectly by HealthCor Partners Fund, L.P.
Option Expiration Date 2035-08-07 Expiration date of the exercised stock option grant
Stock Option financial
"security_title: "Stock Option" with 47,420 underlying shares at $19.00"
A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.
Common Stock financial
"underlying_security_title and direct holdings reported as Common Stock"
Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.
disclaims beneficial ownership financial
"Mr. Lightcap disclaims beneficial ownership of these securities except to the extent of his pecuniary interest"
pecuniary interest financial
"except to the extent of his pecuniary interest therein"
Section 16 regulatory
"for purposes of Section 16 or for any other purpose"
Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What insider transaction did Heartflow (HTFL) director Jeffrey C. Lightcap report?

Jeffrey C. Lightcap reported exercising stock options into 47,420 shares of Heartflow common stock at an exercise price of $19.00 per share. This derivative exercise converted options into directly held shares rather than representing an open-market purchase or sale.

How many Heartflow (HTFL) shares does Jeffrey C. Lightcap hold directly after the transaction?

After the option exercise, Jeffrey C. Lightcap directly holds 293,681 shares of Heartflow common stock. This reflects the addition of 47,420 shares acquired through the exercised stock options and the elimination of the reported option position tied to those shares.

What was the exercise price of the Heartflow (HTFL) stock options?

The reported stock options were exercisable at $19.00 per share and covered 47,420 underlying shares of Heartflow common stock. The filing notes these options were fully exercisable and, after the transaction, no shares remained subject to that specific option grant.

What indirect Heartflow (HTFL) holdings are associated with Jeffrey C. Lightcap?

Entities associated with Jeffrey C. Lightcap hold Heartflow common stock, including 4,615,542 shares by HCPCIV 1, LLC, 833,075 by HealthCor Partners Fund II, L.P., and 1,248,939 by HealthCor Partners Fund, L.P. Lightcap may share voting and dispositive power but disclaims full beneficial ownership.

Does Jeffrey C. Lightcap claim full beneficial ownership of all Heartflow (HTFL) shares reported?

No. Jeffrey C. Lightcap disclaims beneficial ownership of indirectly held shares except to the extent of his pecuniary interest. The Heartflow shares are held by affiliated funds and entities, and their inclusion is not an admission of full beneficial ownership for Section 16 purposes.

Were the exercised Heartflow (HTFL) stock options still subject to vesting conditions?

The filing notes that the reported Heartflow stock options were fully exercisable at the time of the transaction. This means all 47,420 underlying shares were already vested and available to be converted into common stock when Jeffrey C. Lightcap exercised them.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Lightcap Jeffrey C

(Last)(First)(Middle)
C/O HEARTFLOW, INC.
135 MAIN STREET, SUITE 1000

(Street)
SAN FRANCISCO CALIFORNIA 94105

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Heartflow, Inc. [ HTFL ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/24/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock07/24/2026M47,420A$19293,681D
Common Stock4,615,542IBy HCPCIV 1, LLC
Common Stock833,075IBy HealthCor Partners Fund II, L.P.(1)
Common Stock1,248,939IBy HealthCor Partners Fund, L.P.(1)
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option$1907/24/2026M47,420 (2)08/07/2035Common Stock47,420$00D
Explanation of Responses:
1. Mr. Lightcap is a controlling member of each of 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.
2. These stock options are fully exercisable.
/s/ Nga Van by power of attorney07/28/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)