Heartflow CEO sells 38,900 shares in preset trades

Heartflow’s CEO and director reported selling 38,900 HTFL shares in mid-September 2026 under a pre-arranged Rule 10b5-1 trading plan.

Rhea-AI Filing Summary

Heartflow, Inc. (HTFL) Chief Executive Officer and director John C.M. Farquhar reported the sale of a total of 38,900 shares of common stock in two open-market transactions on September 10 and 11, 2026. These sales were effected pursuant to a Rule 10b5-1 trading plan adopted on September 12, 2025, including one trade executed in multiple transactions within a disclosed price range.

Insider Trade Summary 10b5-1

Net Seller: 38,900 shares

Net Sell 2 txns

Insider Farquhar John C.M.

Role Chief Executive Officer

Sold 38,900 shs ($1.82M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	3,890	$50.00	$195K
Sale	Common Stock F1, F2	35,010	$46.4183	$1.63M

Holdings After Transaction: Common Stock — 321,914 shares (Direct)

Footnotes (2)

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.
2. F2. This transaction was executed in multiple trades at price ranging from $45.43 to $47.78. The price reported above reflects the weighted average sale 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.

Key Figures

Shares sold September 11, 2026: 3,890 shares Price per share September 11, 2026: $50.00 Shares sold September 10, 2026: 35,010 shares +4 more

7 metrics

Shares sold September 11, 2026 3,890 shares Open-market sale of common stock at $50.00 per share

Price per share September 11, 2026 $50.00 Sale price for 3,890 shares of common stock

Shares sold September 10, 2026 35,010 shares Open-market sale of common stock at weighted average price

Weighted average price September 10, 2026 $46.4183 Weighted average sale price for 35,010 shares

Total shares sold 38,900 shares Aggregate of both reported sales in this Form 4

Price range for multi-trade transaction $45.43–$47.78 per share Range of execution prices within the September 10, 2026 sale

Rule 10b5-1 plan adoption date September 12, 2025 Date CEO adopted the trading plan used for these sales

Key Terms

Rule 10b5-1 trading plan, weighted average sale price, Reporting Person

3 terms

Rule 10b5-1 trading plan regulatory

"The transaction reported in this Form 4 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.

weighted average sale price financial

"The price reported above reflects the weighted average sale price"

Reporting Person regulatory

"The Reporting Person hereby undertakes to provide upon request"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did HTFL’s CEO report in this Form 4?

The CEO, John C.M. Farquhar, reported selling 38,900 shares of Heartflow, Inc. common stock in two open-market transactions on September 10 and 11, 2026, as disclosed in the Form 4.

At what prices did the HTFL insider sell shares?

John C.M. Farquhar sold 3,890 shares at $50.00 per share on September 11, 2026, and 35,010 shares at a weighted average price of $46.4183 per share on September 10, 2026. One transaction involved multiple trades between $45.43 and $47.78 per share.

Were the HTFL insider sales made under a Rule 10b5-1 trading plan?

Yes. The filing states the reported transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by John C.M. Farquhar on September 12, 2025, indicating the sales were pre-arranged under that plan.

How many HTFL shares did the CEO sell on each date?

On September 11, 2026, the CEO sold 3,890 shares of common stock at $50.00 per share. On September 10, 2026, he sold 35,010 shares at a weighted average price of $46.4183 per share.

What is the total number of HTFL shares sold by the CEO in this filing?

Across both reported transactions, John C.M. Farquhar sold a total of 38,900 shares of Heartflow, Inc. common stock, according to the transaction summary in the Form 4.

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

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Available on EDGAR 09/14/2026 - 06:42 PM Accepted by SEC EDGAR 09/14/2026 - 06:41 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)
09/10/2026

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	09/10/2026		S(1)		35,010	D	$46.4183(2)	325,804	D
Common Stock	09/11/2026		S(1)		3,890	D	$50	321,914	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.

2. This transaction was executed in multiple trades at price ranging from $45.43 to $47.78. The price reported above reflects the weighted average sale 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.

	/s/ Nga Van, by power of attorney	09/14/2026
	** 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)