HTFL shareholder plans sale of 15,560 shares

HTFL shareholder John C.M.

Rhea-AI Filing Summary

HTFL shareholder John C.M. Farquhar filed to sell 15,560 shares of common stock through Fidelity Brokerage Services LLC on NASDAQ, with an approximate value of $607,773.60. The shares relate to a stock option exercise dated 06/25/2024, to be settled in cash. The filing also lists prior sales over the past three months, including 22,562 shares for $643,017.00 on 06/10/2026, 38,900 shares for $1,361,500.00 on 06/24/2026, 22,562 shares for $626,095.50 on 07/10/2026, and 22,562 shares for $638,730.22 on 08/10/2026.

Key Figures

Planned shares to be sold: 15,560 shares Estimated value of planned sale: $607,773.60 Prior sale on 06/10/2026: 22,562 shares for $643,017.00 +3 more

6 metrics

Planned shares to be sold 15,560 shares Common stock to be sold through Fidelity Brokerage Services LLC on NASDAQ

Estimated value of planned sale $607,773.60 Approximate value for 15,560 HTFL common shares

Prior sale on 06/10/2026 22,562 shares for $643,017.00 HTFL common stock sold during the past three months

Prior sale on 06/24/2026 38,900 shares for $1,361,500.00 HTFL common stock sold during the past three months

Prior sale on 07/10/2026 22,562 shares for $626,095.50 HTFL common stock sold during the past three months

Prior sale on 08/10/2026 22,562 shares for $638,730.22 HTFL common stock sold during the past three months

Key Terms

Form 144, stock option exercise, cash

3 terms

Form 144 regulatory

"Filer Information | | | 144: Filer Information"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

stock option exercise financial

"Common | 06/25/2024 | Stock Option Exercise | Issuer"

A stock option exercise is the act of using a previously granted right to buy shares of a company's stock at a specific, predetermined price by paying that price and receiving the shares. It matters to investors because exercising changes who owns the shares (which can dilute existing ownership), can trigger taxable events and shift potential gains or losses, and affects voting power and the company’s outstanding share count—like turning a voucher into an actual product that becomes part of circulating supply.

cash financial

"15560 | 06/25/2024 | Cash"

FAQ

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

What is being sold in the HTFL Form 144 filing?

The filing reports a planned sale of 15,560 HTFL common shares with an estimated value of $607,773.60. These shares are associated with a stock option exercise dated 06/25/2024 and are to be sold for cash on NASDAQ.

Who is the selling security holder in the HTFL Form 144?

The selling security holder is John C.M. Farquhar, listed with an address in San Francisco, California. He plans to sell 15,560 HTFL common shares and discloses several prior sales of HTFL stock over the past three months.

What prior HTFL stock sales are disclosed for the last three months?

The filing lists four prior HTFL common stock sales: 22,562 shares for $643,017.00 on 06/10/2026, 38,900 shares for $1,361,500.00 on 06/24/2026, 22,562 shares for $626,095.50 on 07/10/2026, and 22,562 shares for $638,730.22 on 08/10/2026.

Which broker will handle the planned HTFL share sale?

The planned sale of 15,560 HTFL common shares will be handled by Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, RI 02917. The transaction is expected to occur on NASDAQ for approximately $607,773.60 in value.

How were the HTFL shares to be sold originally acquired?

The 15,560 HTFL common shares planned for sale are tied to a stock option exercise dated 06/25/2024. The acquisition method is described as a Stock Option Exercise from the issuer, with consideration in the form of cash.

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

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Available on EDGAR 08/14/2026 - 12:35 PM EDT Accepted by SEC EDGAR 08/14/2026 - 12:35 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001900415
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Heartflow, Inc.
SEC File Number	001-42790
Address of Issuer	135 MAIN STREET, SUITE 1000 SAN FRANCISCO CALIFORNIA 94105
Phone	650-241-1221
Name of Person for Whose Account the Securities are To Be Sold	Farquhar John C.M.
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	15560	607773.60	86953627	08/14/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/25/2024	Stock Option Exercise	Issuer			15560	06/25/2024	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
John C.M. Farquhar 135 Main Street Suite 1000 San Francisco CA 94105	Common	06/10/2026	22562	643017.00
John C.M. Farquhar 135 Main Street Suite 1000 San Francisco CA 94105	Common	06/24/2026	38900	1361500.00
John C.M. Farquhar 135 Main Street Suite 1000 San Francisco CA 94105	Common	07/10/2026	22562	626095.50
John C.M. Farquhar 135 Main Street Suite 1000 San Francisco CA 94105	Common	08/10/2026	22562	638730.22

144: Remarks and Signature

Remarks
Date of Notice	08/14/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	09/12/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for John C M Farquhar
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)