Heartflow (HTFL) CEO Farquhar sells 22,562 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Heartflow, Inc. Chief Executive Officer John C.M. Farquhar reported an open-market sale of 22,562 shares of common stock at $28.50 per share. The transaction was made under a pre-arranged Rule 10b5-1 trading plan, and he continues to hold 496,835 shares directly, indicating a relatively small portion of his stake was sold.

Insider Trade Summary 10b5-1

Net Seller: 22,562 shares ($643,017)

Net Sell 1 txn

Insider Farquhar John C.M.

Role Chief Executive Officer

Sold 22,562 shs ($643K)

Type	Security	Shares	Price	Value
Sale	Common Stock	22,562	$28.50	$643K

Holdings After Transaction: Common Stock — 496,835 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 22,562 shares Sale price: $28.50 per share Shares held after transaction: 496,835 shares +1 more

4 metrics

Shares sold 22,562 shares Common stock sold on June 10, 2026

Sale price $28.50 per share Price for the 22,562 shares sold

Shares held after transaction 496,835 shares CEO’s direct holdings following the sale

Net share direction -22,562 shares Net-sell position from this Form 4

Key Terms

Rule 10b5-1 trading plan, open-market sale, Form 4, non-derivative

4 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.

open-market sale financial

"transaction_action: open-market sale"

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan..."

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.

non-derivative financial

"transaction_type: non-derivative"

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Form 4 Insider Transactions: What Each Field Means →

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)
06/10/2026

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	06/10/2026		S(1)		22,562	D	$28.5	496,835	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	06/12/2026
	** 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)

FAQ

What insider transaction did Heartflow (HTFL) report on this Form 4?

Heartflow reported that CEO John C.M. Farquhar sold 22,562 shares of common stock at $28.50 per share in an open-market transaction. The sale was disclosed as a routine Form 4 filing for regulatory transparency.

How many Heartflow (HTFL) shares does the CEO hold after the reported sale?

After the sale, CEO John C.M. Farquhar directly holds 496,835 shares of Heartflow common stock. This indicates he retains a substantial equity position even after the disclosed open-market sale of 22,562 shares.

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

Yes. The Form 4 footnote states the transaction was effected under a Rule 10b5-1 trading plan adopted on September 12, 2025. Such plans pre-schedule trades to help separate personal trading decisions from nonpublic information.

What was the price of the Heartflow (HTFL) shares sold by the CEO?

The reported sale price was $28.50 per share for Heartflow common stock. All 22,562 shares in this Form 4 transaction were sold at that price in an open-market or private transaction, according to the filing details.

Does the Heartflow (HTFL) Form 4 show any option exercises or derivative transactions?

No. The Form 4 shows only a non-derivative common stock sale and lists no derivative exercises or remaining derivative positions in the derivativeSummary, indicating this filing relates solely to common stock held directly.