Insider · CIK 0001900415
John C.M. Farquhar
Files at HTFL (Heartflow, Inc.). First filing Feb 10, 2026, latest Sep 14, 2026.
John C.M. Farquhar files SEC Form 4 as CEO and director at HTFL (Heartflow, Inc.). Since Feb 10, 2026, John C.M. Farquhar has reported 0 open-market buys worth $0 and 8 open-market sells worth $6.2M, the latest filed on Sep 14, 2026.
A track record needs three past buys with six months of prices behind them; John C.M. Farquhar has 0, so none is measured yet.
The newest scored trade: sold $1.8M of HTFL on Sep 10, 2026, filed Sep 14, 2026, scored 50 (moderate), under a 10b5-1 plan. In the last 12 months: 0 buys worth $0 and 8 sells worth $6.2M.
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
HTFL: Heartflow, Inc.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | Heartflow, Inc. | $1.8M 38,900 shares | -11% | - | |
| 30Weak | Heartflow, Inc. | $1.4M 38,900 shares | -8% | +70% from low-13% from high | |
| 25Weak | Heartflow, Inc. | $643k 22,562 shares | -4% | +44% from low-26% from high | |
| 40Moderate | Heartflow, Inc. | $657k 22,562 shares | -4% | +43% from low-26% from high | |
| 32Weak | Heartflow, Inc. | $603k 22,562 shares | -4% | +32% from low-32% from high | |
| 33Weak | Heartflow, Inc. | $243k 9,725 shares | -2% | +24% from low-36% from high | |
| 34Weak | Heartflow, Inc. | $291k 12,837 shares | -2% | +9% from low-43% from high | |
| 40Moderate | Heartflow, Inc. | $620k 22,562 shares | -4% | +7% from low-32% from high |
Planned sales
Form 144 notices this insider filed before selling restricted or control stock, newest first.
| Filed | Company | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Jun 24, 2026 | HTFL Heartflow, Inc. | 38,900 0.05% of outstanding | $1.4M | Jun 24, 2026 | $1.9M |
| Jun 10, 2026 | HTFL Heartflow, Inc. | 22,562 0.03% of outstanding | $643k | Jun 10, 2026 | $1.8M |
| May 11, 2026 | HTFL Heartflow, Inc. | 22,562 0.03% of outstanding | $657k | May 11, 2026 | $1.1M |
| Apr 10, 2026 | HTFL Heartflow, Inc. | 22,562 0.03% of outstanding | $603k | Apr 10, 2026 | $1.2M |
| Mar 18, 2026 | HTFL Heartflow, Inc. | 9,725 0.01% of outstanding | $243k | Mar 18, 2026 | $910k |
| Mar 10, 2026 | HTFL Heartflow, Inc. | 12,837 0.02% of outstanding | $291k | Mar 10, 2026 | $620k |
| Feb 10, 2026 | HTFL Heartflow, Inc. | 22,562 0.03% of outstanding | $620k | Feb 10, 2026 | none |
Transactions
Every row this insider has filed, 18 in all, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Sep 10, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -35,010 | $46.42 | $1.6M | 325,804 | 29 d ago |
| Sep 11, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -3,890 | $50.00 | $195k | 321,914 | 29 d ago |
| Jun 24, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -38,900 | $35.00 | $1.4M | 457,935 | Jun 26, 2026 |
| Jun 10, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -22,562 | $28.50 | $643k | 496,835 | Jun 12, 2026 |
| May 11, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -22,562 | $29.12 | $657k | 519,397 | May 13, 2026 |
| May 6, 2026 | HTFL Heartflow, Inc. | FTax withholding Common Stock | -5,300 | $30.29 | $161k | 543,863 | May 8, 2026 |
| May 7, 2026 | HTFL Heartflow, Inc. | FTax withholding Common Stock | -1,904 | $29.98 | $57k | 541,959 | May 8, 2026 |
| Apr 10, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -22,562 | $26.72 | $603k | 549,163 | Apr 14, 2026 |
| Mar 18, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -9,725 | $25.00 | $243k | 571,725 | Mar 20, 2026 |
| Mar 6, 2026 | HTFL Heartflow, Inc. | AGrant or award Common Stock10b5-1 | +2,631 | $16.15 | $42k | 594,287 | Mar 12, 2026 |
| Mar 10, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -12,837 | $22.66 | $291k | 581,450 | Mar 12, 2026 |
| Feb 6, 2026 | HTFL Heartflow, Inc. | FTax withholding Common Stock10b5-1 | -1,541 | $27.74 | $43k | 430,368 | Feb 10, 2026 |
| Feb 6, 2026 | HTFL Heartflow, Inc. | AGrant or award Common Stock10b5-1 | +183,850 | $0.00 | $0 | 614,218 | Feb 10, 2026 |
| Feb 10, 2026 | HTFL Heartflow, Inc. | SOpen-market sale Common Stock10b5-1 | -22,562 | $27.46 | $620k | 591,656 | Feb 10, 2026 |
| Feb 6, 2026 | HTFL Heartflow, Inc. | AGrant or award Stock Optionderivative10b5-1 | +321,259 | $0.00 | $0 | 321,259 | Feb 10, 2026 |
| Nov 7, 2025 | HTFL Heartflow, Inc. | FTax withholding Common Stock | -1,339 | $32.56 | $44k | 431,909 | Nov 12, 2025 |
| Aug 7, 2025 | HTFL Heartflow, Inc. | AGrant or award Common Stock | +59,868 | $0.00 | $0 | 433,248 | Aug 11, 2025 |
| Aug 7, 2025 | HTFL Heartflow, Inc. | AGrant or award Stock Optionderivative | +314,603 | $0.00 | $0 | 314,603 | Aug 11, 2025 |
Questions about John C.M. Farquhar
Answered from the filings on this page, as of the latest one.
Is John C.M. Farquhar buying or selling?
In the last 12 months John C.M. Farquhar reported 0 open-market buys worth $0 and 8 open-market sells worth $6.2M on SEC Form 4; the latest was sold $1.8M of HTFL on Sep 10, 2026. Grants, option exercises and tax withholding are not counted.
How did John C.M. Farquhar's past buys perform?
Not measured yet. InsiderTell needs three past buys with six months of prices to publish a track record, and John C.M. Farquhar has 0.
Where does John C.M. Farquhar file Form 4?
John C.M. Farquhar has filed Form 4 at HTFL (Heartflow, Inc.) as Chief Executive Officer. A Form 4 is required of officers, directors and holders of more than 10% of a share class within two business days of a trade.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.