David Weill
CIK 1774270 · View on SEC EDGAR ↗
Insider
First SEC filing: May 1, 2019 · Latest: May 1, 2019
On this page
Insider at
Insider transactions
0 buys (P)
2 sells (S)
Net:
$-1,217,494
+ 17 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
17 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 4, 2026 | TMDX | S | 3,571 | $146.82 | $524,294 | 12,134 Direct | -22.74% | Disposed | -36.0% (price as of 2026-08-19) |
| Dec. 3, 2025 | TMDX | S | 5,000 | $138.64 | $693,200 | 12,134 Direct | -29.18% | Disposed | -32.2% (price as of 2026-08-19) |
| May 23, 2025 | TMDX | S | 732 | $123.88 | $90,680 | 12,134 Direct | -5.69% | Disposed | -24.1% (price as of 2026-08-19) |
| May 29, 2024 | TMDX | S | 1,193 | $141.65 | $168,988 | 10,732 Direct | -10.00% | Disposed | -33.6% (price as of 2026-08-19) |
| May 10, 2024 | TMDX | S | 2,500 | $129.82 | $324,550 | 11,193 Direct | -18.26% | Disposed | -27.6% (price as of 2026-08-19) |
| Aug. 29, 2023 | TMDX | P | 2,500 | $62.00 | $155,000 | 13,693 Direct | +22.34% | Acquired | 51.6% (price as of 2026-08-19) |
| Feb. 27, 2023 | TMDX | S | 4,970 | $76.51 | $380,255 | 10,000 Direct | -33.20% | Disposed | 22.9% (price as of 2026-08-19) |
| Feb. 27, 2023 | TMDX | S | 964 | $77.64 | $74,845 | 14,970 Direct | -6.05% | Disposed | 21.1% (price as of 2026-08-19) |
| Nov. 10, 2022 | TMDX | S | 21,645 | $56.00 | $1,212,120 | 13,500 Direct | -61.59% | Disposed | 67.9% (price as of 2026-08-19) |
| Nov. 11, 2019 | TMDX | P | 10,000 | $17.00 | $170,000 | 10,000 Direct | — | Acquired | 453.0% (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| March 4, 2026 | TMDX | Stock Option (Right to Buy) | Common Stock (3,571) | $14.20 | June 4, 2030 | 3,571 | Disposed |
| Dec. 3, 2025 | TMDX | Stock Option (Right to Buy) | Common Stock (5,000) | $14.20 | June 4, 2030 | 5,000 | Disposed |
| May 23, 2024 | TMDX | Stock Option (Right to Buy) | Common Stock (1,154) | $137.53 | May 23, 2034 | 1,154 | Acquired |
| May 25, 2023 | TMDX | Stock Option (Right to Buy) | Common Stock (1,916) | $71.33 | May 25, 2033 | 1,916 | Acquired |
| Feb. 27, 2023 | TMDX | Stock Option (Right to Buy) | Common Stock (5,934) | $14.20 | June 4, 2030 | 5,934 | Disposed |
| Nov. 10, 2022 | TMDX | Stock Option (Right to Buy) | Common Stock (21,645) | $16.00 | May 1, 2029 | 21,645 | Disposed |
| June 1, 2022 | TMDX | Stock Option (Right to Buy) | Common Stock (13,500) | $28.12 | June 1, 2032 | 13,500 | Acquired |
| May 27, 2021 | TMDX | Stock Option (Right to Buy) | Common Stock (13,500) | $26.26 | May 27, 2031 | 13,500 | Acquired |
| June 4, 2020 | TMDX | Stock Option (Right to Buy) | Common Stock (15,934) | $14.20 | June 4, 2030 | 15,934 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| May 1, 2019 | TMDX | Stock Option (Right to Buy)→ Common Stock | — | Direct |