Transaction · 0001464521-26-000137

Farquhar John C.M.

Farquhar John C.M., CEO, reported an open-market or private sale at Heartflow, Inc. involving 32676.000000 shares for an estimated $1470420.00. Reported holdings after the transaction were 388044.000000 shares. The stored filing text includes a detected 10b5-1 reference.

Open-market sellSEC transaction code SCEO
HTFLHeartflow, Inc.
Filing timeAug 20
Trade dateAug 18, 2026
Filing · SECView on SEC
InsiderProfile

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$46.80
Pre-filing
1mo ago -46.8%1w ago -36.9%1d ago -10.4%
Returns since
7d +2.8%30d +7.8%90d +7.8%180d +7.8%1y +7.8%

HTFL price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
HTFL since 2026-08-20Filed 16 days ago · 30 days of pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Sell
Code S
Identifier
0001464521-26-000137
Common Stock
Transaction date
Aug 18, 2026
Filed Aug 20, 2026, 09:56 PM · 2d delay
Shares
32.6k sh
$4.50k per share
Estimated value
-$147M
Computed from shares × price
Holdings after
388k sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $10.0MLarge $100M
Cluster Selling Direct Ownership Large Sale Repeat Seller 10b5-1 Detected
0score
Filing-only score

0

Compact filing score computed from stored Form 4 facts. Version v1.

Neutral filing signal

This filing is broadly neutral on the filing-only scale. The Form 4 facts do not strongly tilt positive or negative.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

Chief Executive Officer

Officer YesDirector Yes10% NoOther No
Footnotes & amended
  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.

Original filing · 0001464521-26-000137
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Same reporting owner
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