| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
1 company
David Weill is Director at TMDX. David Weill's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $1.1M at current prices.
Our model assigns David Weill a middling insider score of 63/100, based on 8 past trades. Over a 12-month horizon, 66.7% of those trades were profitable, with an average 12-month return of +25.5%.
The TMDX filings lean toward selling, a net 26,739 shares.
David Weill has 16 Form 4 filings on record from November 2019 to September 2026, all as Director at TransMedics Group (TMDX), 2019–2026.
The 24 reported transactions were 8 open-market sales, 5 option or other derivative awards, 4 stock awards and 4 option exercises, plus smaller numbers of other types.
Counted by filing, the open-market trades come to 3 purchases worth about $434K and 7 sales worth about $3.5M.
The largest open-market purchase was 10,000 shares of TMDX at an average $17.00 on November 11, 2019, about $170K.
The largest open-market sale was 21,645 shares of TMDX at an average $56.00 on November 10, 2022, about $1.2M. Twelve months later TMDX was up 2%.
None of the 5 sales since April 2023 was marked as made under a Rule 10b5-1 trading plan.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | TMDX Transmedics Group, Inc. | Director | Buy | 1,336 | $81.63 | $109,057.68 | +8.9% | - | - | |
| Mar 4, 2026 | TMDX Transmedics Group, Inc. | Director | Sale+OE | 3,571 | $146.82 | $524,294.22 | -22.7% | -53.7% | - | |
| Dec 3, 2025 | TMDX Transmedics Group, Inc. | Director | Sale+OE | 5,000 | $138.64 | $693,200.00 | -29.2% | +5.6% | - | |
| May 23, 2025 | TMDX Transmedics Group, Inc. | Director | Sell | 732 | $123.88 | $90,680.16 | -5.7% | -4.4% | -44.5% | |
| May 29, 2024 | TMDX Transmedics Group, Inc. | Director | Sell | 1,193 | $141.65 | $168,988.45 | -10.0% | +23.8% | -10.3% | |
| May 10, 2024 | TMDX Transmedics Group, Inc. | Director | Sell | 2,500 | $129.82 | $324,550.00 | -18.3% | +24.5% | -14.2% | |
| Aug 29, 2023 | TMDX Transmedics Group, Inc. | Director | Buy | 2,500 | $62.00 | $155,000.00 | +22.3% | +9.4% | +163.0% | |
| Feb 27, 2023 | TMDX Transmedics Group, Inc. | Director | Sale+OE | 5,934 | $76.69 | $455,099.66 | -37.2% | -7.2% | +13.8% | |
| Nov 10, 2022 | TMDX Transmedics Group, Inc. | Director | Sale+OE | 21,645 | $56.00 | $1,212,120.00 | -61.6% | +16.0% | +2.1% | |
| Nov 11, 2019 | TMDX Transmedics Group, Inc. | Director | Buy | 10,000 | $17.00 | $170,000.00 | New | - | - |