Gunderson Thomas J. — SEC Form 4 filings
SEC reporting owner CIK 1708144. 10 Form 4 filings on record with FilingPulse; latest filed 2026-06-17.
Transaction summary — filings shown
Covers all 10 filings on record, filed 2024-03-05 to 2026-06-17. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 2 filings — 27,781 shares, $2,102,890 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 18.
- Largest priced transaction: sale of 18,157 shares @ $76.03 ($1,380,513) in MERIT MEDICAL SYSTEMS INC, filed 2024-03-05.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| MERIT MEDICAL SYSTEMS INC (MMSI) | Director | 6 | — | 1 leg · 18,157 sh · $1,380,513 | 12 |
| TransMedics Group, Inc. (TMDX) | Director | 4 | — | 1 leg · 9,624 sh · $722,377 | 6 |
Form 4 filings — Gunderson Thomas J.
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-06-17 | 4 | TransMedics Group, Inc. (TMDX) | Option exercise (M): 19,285 @ $2.21 · Sale (S): 9,624 @ $75.06 · Option exercise (M): 19,285 (derivative) @ $0 | EDGAR |
| 2026-05-22 | 4 | TransMedics Group, Inc. (TMDX) | Grant/award (A): 2,922 @ $0 | EDGAR |
| 2026-05-21 | 4 | MERIT MEDICAL SYSTEMS INC (MMSI) | Option exercise (M): 13,750 @ $52.17 · Option exercise (M): 7,500 @ $52.17 · Option exercise (M): 13,750 (derivative) @ $0 · Option exercise (M): 7,500 (derivative) @ $0 | EDGAR |
| 2026-05-19 | 4 | MERIT MEDICAL SYSTEMS INC (MMSI) | Grant/award (A): 3,457 @ $0 | EDGAR |
| 2025-05-23 | 4 | TransMedics Group, Inc. (TMDX) | Grant/award (A): 2,134 @ $0 | EDGAR |
| 2025-05-19 | 4 | MERIT MEDICAL SYSTEMS INC (MMSI) | Grant/award (A): 2,152 @ $0 | EDGAR |
| 2025-03-03 | 4 | MERIT MEDICAL SYSTEMS INC (MMSI) | Option exercise (M): 25,000 @ $50.50 · Tax withholding (F): 12,806 @ $99.95 · Option exercise (M): 25,000 (derivative) @ $0 | EDGAR |
| 2024-05-28 | 4 | TransMedics Group, Inc. (TMDX) | Grant/award (A): 732 @ $0 · Grant/award (A): 1,154 (derivative) @ $0 | EDGAR |
| 2024-05-20 | 4 | MERIT MEDICAL SYSTEMS INC (MMSI) | Grant/award (A): 2,431 @ $0 | EDGAR |
| 2024-03-05 | 4 | MERIT MEDICAL SYSTEMS INC (MMSI) | Option exercise (M): 25,000 @ $34.40 · Sale (S): 18,157 @ $76.03 · Option exercise (M): 25,000 (derivative) @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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