HTFL CEO reports tax withholding of 1,339 shares after RSU vest

Rhea-AI Filing Summary

HeartFlow, Inc. (HTFL) disclosed a routine insider transaction by its Chief Executive Officer and Director on 11/07/2025. The filing reports 1,339 shares of common stock reflected as a code F transaction at $32.56 per share, representing shares retained by the issuer to satisfy income tax withholding upon the vesting and net settlement of previously reported RSUs.

Following this administrative withholding event, the reporting person beneficially owns 431,909 shares, held directly.

Insider Trade Summary

Net Seller: 1,339 shares

Net Sell 1 txn

Insider Farquhar John C.M.

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,339	$32.56	$44K

Holdings After Transaction: Common Stock — 431,909 shares (Direct)

Footnotes (1)

1. F1. Represents shares that have been retained by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

FAQ

What did HTFL disclose in this Form 4?

The CEO and Director reported a code F transaction where 1,339 shares were retained by the issuer to satisfy tax withholding tied to RSU vesting.

How many HTFL shares were involved and at what price?

The filing shows 1,339 common shares at $32.56 per share, retained for tax withholding.

Who is the reporting person in HTFL's Form 4 and what is their role?

The reporting person is the company’s Chief Executive Officer and a Director.

How many HTFL shares does the reporting person now own?

After the transaction, the reporting person beneficially owns 431,909 shares directly.

What does transaction code F indicate in this HTFL filing?

Code F indicates shares were retained by the issuer to cover income tax withholding upon RSU vesting and settlement, per the explanation provided.

When did the HTFL insider transaction occur?

The transaction date was 11/07/2025.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/12/2025 - 08:43 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED 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^*

Farquhar John C.M.

(Last) (First) (Middle)

C/O HEARTFLOW, INC.

(Street)

MOUNTAIN VIEW CA 94041

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Heartflow, Inc. [ HTFL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
11/07/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/07/2025		F		1,339(1)	D	$32.56	431,909	D

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Represents shares that have been retained by the Issuer to satisfy income tax withholding and remittance obligations in connection with the vesting and net settlement of restricted stock units previously reported.

	/s/ Nga Van, by power of attorney	11/12/2025
	** Signature of Reporting Person	Date
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.