Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
Gunderson Thomas J. (CIK 1708144) reported 8 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-06-17). Recent activity: Sell TMDX (9,624 shares), Buy TMDX (19,285 shares), Buy TMDX (2,922 shares), Buy MMSI (13,750 shares), Buy MMSI (7,500 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-17 | TransMedics Group, Inc. (TMDX) | Director | Sell | 9,624 | $722,377 |
| 2026-06-17 | TransMedics Group, Inc. (TMDX) | Director | Buy | 19,285 | $42,620 |
| 2026-05-22 | TransMedics Group, Inc. (TMDX) | Director | Buy | 2,922 | $0 |
| 2026-05-21 | MERIT MEDICAL SYSTEMS INC (MMSI) | Director | Buy | 13,750 | $717,338 |
| 2026-05-21 | MERIT MEDICAL SYSTEMS INC (MMSI) | Director | Buy | 7,500 | $391,275 |
| 2026-05-19 | MERIT MEDICAL SYSTEMS INC (MMSI) | Director | Buy | 3,457 | $0 |
| 2025-05-23 | TransMedics Group, Inc. (TMDX) | Director | Buy | 2,134 | $0 |
| 2025-05-19 | MERIT MEDICAL SYSTEMS INC (MMSI) | Director | Buy | 2,152 | $0 |
Source: SEC Form 4 filings · as of 2026-06-17