Heartflow director exercises options for 51,369 shares

Heartflow, Inc. director William C. Weldon exercised stock options to acquire 51,369 shares of Common Stock on 2026-07-08 through three derivative exercises.

Rhea-AI Filing Summary

Heartflow, Inc. director William C. Weldon exercised stock options to acquire 51,369 shares of Common Stock on 2026-07-08 through three derivative exercises. Each exercise covered 17,123 underlying shares at an exercise price of 8.3300 per share. Following these transactions, he holds 243,931 shares of Common Stock directly, with the exercised stock options now fully used.

Insider Trade Summary

51,369 shares exercised/converted

Exercise 6 txns

Insider WELDON WILLIAM C

Role Director

Type	Security	Shares	Price	Value
Exercise	Stock Option F1	17,123	$0.00	$0.00
Exercise	Stock Option F1	17,123	$0.00	$0.00
Exercise	Stock Option F1	17,123	$0.00	$0.00
Exercise	Common Stock	17,123	$8.33	$143K
Exercise	Common Stock	17,123	$8.33	$143K
Exercise	Common Stock	17,123	$8.33	$143K

Holdings After Transaction: Stock Option — 0 contracts (Direct); Common Stock — 243,931 shares (Direct)

Footnotes (1)

1. F1. These stock options are fully exercisable.

Key Figures

Shares per option exercise: 17,123 shares Total shares acquired via exercise: 51,369 shares Exercise price: 8.3300 per share +2 more

5 metrics

Shares per option exercise 17,123 shares Underlying Common Stock per stock option exercised on 2026-07-08

Total shares acquired via exercise 51,369 shares Aggregate Common Stock from three option exercises (M code) on 2026-07-08

Exercise price 8.3300 per share Conversion or exercise price of stock options into Common Stock

Post-transaction holdings 209,685 shares Common Stock directly owned by William C. Weldon after the transactions

Number of option exercises 3 Exercise or conversion of derivative security transactions coded M

Key Terms

stock option, derivative security, conversion or exercise price

3 terms

stock option financial

"The transactions involve "Stock Option" derivative securities with underlying Common Stock"

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.

derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.

conversion or exercise price financial

"conversion_or_exercise_price: "8.3300" for each Stock Option entry"

FAQ

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

What did Heartflow (HTFL) director William C. Weldon report in this Form 4?

Director William C. Weldon reported exercising stock options to acquire 51,369 shares of Heartflow Common Stock on 2026-07-08 through three option exercises, each for 17,123 shares at 8.3300 per share.

How many Heartflow (HTFL) shares did William C. Weldon acquire and at what price?

William C. Weldon acquired 51,369 shares of Heartflow Common Stock by exercising options, at an exercise price of 8.3300 per share for each of three 17,123-share option tranches.

How many Heartflow (HTFL) shares does William C. Weldon own after these transactions?

After the reported option exercises, William C. Weldon directly holds 209,685 shares of Heartflow Common Stock, according to the post-transaction holdings disclosed in the Form 4 data.

Were there any open-market sales of Heartflow (HTFL) stock in this Form 4?

No. The Form 4 reports only option exercises coded “M” for derivative exercises/conversions and shows no sell transactions, gifts, or tax-withholding dispositions in the transaction summary.

What derivative securities did Heartflow (HTFL) options exercised by William C. Weldon relate to?

The transactions involve Stock Options with a conversion or exercise price of 8.3300 per share, each option covering 17,123 underlying Common Stock shares, which were fully exercised and now show zero remaining option balance.

What does transaction code “M” mean in William C. Weldon’s Heartflow (HTFL) Form 4?

Transaction code “M” in this Form 4 indicates an exercise or conversion of a derivative security, here the exercise of stock options into Heartflow Common Stock rather than an open-market purchase or sale.

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

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Accepted by SEC EDGAR 07/10/2026 - 05:50 PM EDT 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^*

WELDON WILLIAM 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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
07/08/2026

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	07/08/2026		M		17,123	A	$8.33	209,685	D
Common Stock	07/08/2026		M		17,123	A	$8.33	226,808	D
Common Stock	07/08/2026		M		17,123	A	$8.33	243,931	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
Stock Option	$8.33	07/08/2026		M			17,123	(1)	03/24/2032	Common Stock	17,123	$0	0	D
Stock Option	$8.33	07/08/2026		M			17,123	(1)	04/22/2030	Common Stock	17,123	$0	0	D
Stock Option	$8.33	07/08/2026		M			17,123	(1)	09/20/2027	Common Stock	17,123	$0	0	D

Explanation of Responses:

1. These stock options are fully exercisable.

	/s/ Nga Van, by power of attorney	07/10/2026
	** 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)