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144 ·Filed Aug 14, 2026

HTFL

Heartflow, Inc.
NEUTRAL
Impact 3/10
Horizondays Processed2mo ago SEC0001343779-26-000003
Form 144 — notice of proposed sale of securities
Actionable Insight • Neutral

This is a routine Form 144 filing by an affiliate, not a core insider (officer/director). The 150k-share sale is de minimis relative to Heartflow's market cap (~$2.7B) and outstanding shares. The filing itself suggests no material negative signal. Monitor for subsequent Form 4 filings to confirm actual execution; if the sale does not occur, it further weakens any signal. Given the company's strong 87% buy-side analyst consensus and the small size of the proposed sale, this filing should not alter the investment thesis.

DirectionNeutral
Confidencemedium
Horizondays
Latest settled — T+20d ⚠ clustered
HTFL ▲ +17.73% at T+20d
NEUTRAL call +17.73% · α vs SPY +19.72% · entry $42.08 → $49.54
Next anchor: T+60d in 13d
Latest observation: T+49 +53.75% FF3 residual α
Entry = T+0 close
Aug 14, 2026
via day close
T+1d
-0.33%
call -0.33% · α +0.14%
$41.94
settled 2mo ago
T+5d
+18.23%
call +18.23% · α +19.60%
$49.75
settled 2mo ago
T+20d
+17.73%
call +17.73% · α +19.72%
$49.54
settled 6w ago
T+60d
Pending
in 13d

Price Chart

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Executive Summary

Joseph Healey, an affiliate of HCPCIV 1 LLC, filed a Form 144 on August 14, 2026, indicating intent to sell 150,000 shares of Heartflow, Inc. at an approximate market value of $6.225 million. The shares were acquired via an in-kind distribution from HCPCIV 1 LLC on March 30, 2026. This is an advance notice of a planned sale by an affiliate, not a completed transaction, and the notice itself typically has limited market impact.

Key Facts

  • Joseph Healey (affiliate of HCPCIV 1 LLC) filed Form 144 on August 14, 2026.
  • Planned sale of 150,000 shares of Heartflow, Inc. common equity.
  • Approximate market value at filing: $6,225,000 (based on the filing's reported price of $41.50/share).
  • Shares were acquired via an in-kind distribution from HCPCIV 1 LLC on March 30, 2026.
  • Broker for the proposed sale: J.P. Morgan Securities LLC.
  • The sale is proposed on NASDAQ; the filing states the shares have been owned since March 30, 2026.
  • Mr. Healey's relationship to Heartflow is as an affiliate of HCPCIV 1 LLC, not as an officer or director.
  • The Form 144 is an intent to sell; the actual sale may or may not occur.

Financial Impact

Proposed sale of 150,000 shares valued at ~$6.225 million, representing approximately 0.17% of the ~86.4 million shares reportedly outstanding (based on the filing's outstanding share count figure of 86,398,778).

dilutionfloat

Risk Factors

  • The sale could represent an exit by a pre-IPO or large institutional affiliate (HCPCIV 1 LLC), which may raise questions about long-term conviction.
  • If the sale is executed alongside other insider selling, it could signal a broader de-risking by early investors.

Market Snapshot

Exchange
Nasdaq
Sector
Surgical & Medical Instruments & Apparatus
Analyst Consensus
87% bullish (15 analysts)

Investment Themes

Healthcare & Medical Devices

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
144 Filing (Primary)0001343779-26-000003
Document: 0001343779-26-000003-index.html0001343779-26-000003
Document: 0001343779-26-000003.txt0001343779-26-000003
25 reports for HTFL
Performance horizon
75% Hit rate @ T+5 6 of 8 directional calls Went positive at some point 7 of 9 best @ T+5▲ +18.23%Aug 13, 2026
Filters
Rows
Reports for HTFL — sortable, filterable
TypeNow
Oct 22, 2026
4d ago
144
NEUTRAL ★ 3/10
$55.43awaiting T+5—$57.01 (+2.84%)
Oct 22, 2026
4d ago
144
BEARISH ★ 5/10
$55.43awaiting T+5—$57.01 (−2.84%)
Oct 19, 2026
7d ago
Press Release
NEUTRAL ★ 1/10
$55.59awaiting T+5—$57.01 (+2.55%)
Sep 21, 2026
5w ago
Insider Cluster
BEARISH ★ 5/10
$50.17 $49.83▲ +0.68%▼ −0.51%$57.01 (−13.62%)
Sep 18, 2026
5w ago
Insider Cluster
BEARISH ★ 4/10
$50.33 $49.92▲ +0.81%▼ −0.21%$57.01 (−13.26%)
Sep 15, 2026
5w ago
Insider Cluster
NEUTRAL ★ 3/10
$48.30 $47.39▼ −1.88%▼ −4.45%$57.01 (+18.02%)
Sep 14, 2026
6w ago
Insider Cluster
BEARISH ★ 4/10
$48.33 $50.17▼ −3.81%▼ −1.68%$57.01 (−17.95%)
Aug 28, 2026
8w ago
Press Release
BULLISH ★ 7/10
$47.78 $48.91▲ +2.37%▲ +2.26%$57.01 (+19.31%)
Aug 25, 2026
8w ago
Insider Cluster
NEUTRAL ★ 4/10
$48.94 $50.00▲ +2.17%▲ +2.29%$57.01 (+16.48%)
Aug 20, 2026
9w ago
Insider Cluster
NEUTRAL ★ 4/10
$49.75 $47.78▼ −3.96%▼ −4.43%$57.01 (+14.58%)
Showing 10 of 25

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Report published Aug 14, 2026