Heartflow (HTFL) CEO sells 22,562 shares in Rule 10b5-1 planned trade

Rhea-AI Filing Summary

Heartflow, Inc. Chief Executive Officer John C.M. Farquhar reported a sale of 22,562 shares of Common Stock on 2026-08-10 at a price of $28.31 per share. Following this transaction, he directly holds 436,280 shares. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted on September 12, 2025.

Insider Trade Summary 10b5-1

Net Seller: 22,562 shares

Net Sell 1 txn

Insider Farquhar John C.M.

Role Chief Executive Officer

Sold 22,562 shs ($639K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	22,562	$28.31	$639K

Holdings After Transaction: Common Stock — 436,280 shares (Direct)

Footnotes (1)

1. F1. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025.

Key Figures

Shares sold: 22,562 shares Sale price per share: $28.31 per share Shares held after transaction: 436,280 shares +2 more

5 metrics

Shares sold 22,562 shares Common Stock sale on 2026-08-10 by CEO John C.M. Farquhar

Sale price per share $28.31 per share Price for the 22,562-share Common Stock sale on 2026-08-10

Shares held after transaction 436,280 shares Direct Common Stock holdings of the CEO following the sale

Number of sell transactions 1 Non-derivative sale transactions reported in this Form 4

Rule 10b5-1 plan adoption date September 12, 2025 Date the CEO adopted the trading plan governing this sale

Key Terms

Rule 10b5-1 trading plan, Form 4, open market or private transaction

3 terms

Rule 10b5-1 trading plan regulatory

"The transaction was effected pursuant to a Rule 10b5-1 trading plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Form 4 regulatory

"The transaction reported in this Form 4 was effected pursuant"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

open market or private transaction financial

"Transaction code S indicates a sale in open market or private transaction"

FAQ

What insider transaction did Heartflow (HTFL) report for its CEO?

Heartflow CEO John C.M. Farquhar reported a sale of 22,562 Common Stock shares on 2026-08-10 at $28.31 per share, under a pre-arranged Rule 10b5-1 trading plan.

How many Heartflow (HTFL) shares did the CEO sell and at what price?

The CEO sold 22,562 shares of Heartflow Common Stock at a price of $28.31 per share. This transaction was coded as a sale in an open market or private transaction.

How many Heartflow (HTFL) shares does the CEO hold after this Form 4 sale?

After the reported sale, the CEO directly holds 436,280 shares of Heartflow Common Stock. This figure reflects his direct ownership position following the 2026-08-10 transaction.

Was the Heartflow (HTFL) CEO’s share sale under a Rule 10b5-1 plan?

Yes. The filing states the sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 12, 2025, indicating it was pre-arranged.

How many Heartflow (HTFL) insider sell transactions are in this Form 4?

This Form 4 reports one non-derivative transaction: a sale of 22,562 Common Stock shares. No derivative exercises, gifts, or additional trades are included in this filing.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/12/2026 - 05:07 PM Accepted by SEC EDGAR 08/12/2026 - 05:07 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).

X

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.

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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/10/2026

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

X	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/10/2026		S(1)		22,562	D	$28.31	436,280	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. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 12, 2025.

	/s/ Nga Van, by power of attorney	08/12/2026
	** 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.
* Form 4: SEC 1474 (03-26)