What was the total dollar value of John C.M. Farquhar’s HTFL share sale?

John C.M. Farquhar sold 32,676 shares at $45.00 per share, for a reported transaction value of approximately $1,470,420, based on the disclosed per-share sale price and number of shares sold.

Heartflow (HTFL) CEO’s pre-set stock sale tops $1.47M

Q: What type of security was involved in the HTFL Form 4 transaction?

The transaction involved Common Stock of Heartflow, Inc. The Form 4 identifies the security title as Common Stock, with the sale reported as a non-derivative transaction.

Q: How many HTFL insider sales were reported in this Form 4?

The Form 4 reports one non-derivative insider sale transaction, covering 32,676 shares of Common Stock sold on August 18, 2026.

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Heartflow, Inc. (HTFL) reported that Chief Executive Officer and director John C.M. Farquhar sold 32,676 shares of Common Stock in a sale transaction on August 18, 2026 at $45.00 per share, described as a sale in an open market or private transaction. After this transaction, he directly held 388,044 shares of Common Stock. The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by Mr. Farquhar on September 12, 2025.

Insights

Analyzing...

Insider Trade Summary 10b5-1

Net Seller: 32,676 shares

Net Sell 1 txn

Insider Farquhar John C.M.

Role Chief Executive Officer

Sold 32,676 shs ($1.47M)

Type	Security	Shares	Price	Value
Sale	Common Stock ^F1	32,676	$45.00	$1.47M

Holdings After Transaction: Common Stock — 388,044 shares (Direct)

Footnotes (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: 32,676 shares of Common Stock Sale price per share: $45.00 per share Aggregate sale value: $1,470,420 +3 more

6 metrics

Shares sold 32,676 shares of Common Stock Non-derivative sale on August 18, 2026

Sale price per share $45.00 per share Price for the August 18, 2026 sale transaction

Aggregate sale value $1,470,420 32,676 shares sold at $45.00 per share

Shares owned after transaction 388,044 shares of Common Stock Direct ownership after the August 18, 2026 sale

Net shares sold reported 32,676 shares Net sell direction in transaction summary

Rule 10b5-1 plan adoption date September 12, 2025 Trading plan under which the sale was effected

Key Terms

Rule 10b5-1 trading plan, Common Stock, 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 adopted"

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.

Common Stock financial

"The transaction involved Common Stock of Heartflow, Inc."

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

open market or private transaction financial

"Sale in open market or private transaction"

FAQ

What insider transaction did HTFL disclose for John C.M. Farquhar?

Heartflow, Inc. disclosed that CEO and director John C.M. Farquhar sold 32,676 shares of Common Stock on August 18, 2026 at a price of $45.00 per share, characterized as a sale in an open market or private transaction.

How many HTFL shares does John C.M. Farquhar hold after this sale?

Following the reported sale, John C.M. Farquhar directly held 388,044 shares of Heartflow, Inc. Common Stock. This figure reflects his reported direct ownership immediately after the August 18, 2026 transaction.

Was the HTFL insider sale made under a Rule 10b5-1 trading plan?

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

What type of security was involved in the HTFL Form 4 transaction?

The transaction involved Common Stock of Heartflow, Inc. The Form 4 identifies the security title as Common Stock, with the sale reported as a non-derivative transaction.

How many HTFL insider sales were reported in this Form 4?

The Form 4 reports one non-derivative insider sale transaction, covering 32,676 shares of Common Stock sold on August 18, 2026.

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/20/2026 - 05:56 PM Accepted by SEC EDGAR 08/20/2026 - 05:56 PM

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^*

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)
08/18/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/18/2026		S⁽¹⁾		32,676	D	$45	388,044	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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	08/20/2026
	** 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)

Source: View Original Filing on SEC EDGAR