OMEX insider transaction filings
ODYSSEY MARINE EXPLORATION INC — 29 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2025-10-20. Screen OMEX transaction legs live →
Insider transaction summary — last 90 days
No Form 4 filings for OMEX between 2026-06-24 and 2026-09-22. The table below lists the most recent filings on record.
Recent Form 4 filings — ODYSSEY MARINE EXPLORATION INC
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2025-10-20 | 4 | Gordon Mark — Chief Executive Officer, Director | Sale (S): 30,000 @ $3.87 · Sale (S): 30,000 @ $3.50 · Sale (S): 30,000 @ $3.56 | EDGAR |
| 2025-10-15 | 4 | Longley John D Jr — President & COO | Option exercise (M): 6,500 @ $0.41 · Sale (S): 38,977 @ $3.50 · Sale (S): 73,572 @ $3.75 · Option exercise (M): 143,500 @ $0.41 · Sale (S): 143,500 @ $3.71 · Option exercise (M): 6,500 (derivative) @ $0 · +1 more | EDGAR |
| 2025-10-15 | 4 | Gordon Mark — Chief Executive Officer, Director | Sale (S): 20,956 @ $3.50 · Sale (S): 30,000 @ $3.74 · Sale (S): 30,000 @ $3.98 | EDGAR |
| 2025-08-20 | 4 | Cortina Gallardo Juan Antonio Carlos — 10% owner | Holdings only — no transactions reported | EDGAR |
| 2025-08-13 | 4 | Cortina Gallardo Juan Antonio Carlos — 10% owner | Option exercise/expiry (X): 489,279 @ $1.10 · Sale (S): 96,409 @ $1.70 · Sale (S): 473,591 @ $1.72 · Sale (S): 409,100 @ $1.70 · Other (J): 1,991,998 @ $0 · Other (J): 1,991,998 @ $0 · +5 more | EDGAR |
| 2025-07-17 | 4 | Pommeraud Larissa Tiffany — Director | Grant/award (A): 8,475 @ $0 | EDGAR |
| 2025-07-03 | 4 | Longley John D Jr — President & COO | Grant/award (A): 144,466 @ $1.04 | EDGAR |
| 2025-07-03 | 4 | Justh Mark B — Director | Grant/award (A): 385,242 @ $1.04 | EDGAR |
| 2025-07-03 | 4 | Gordon Mark — Chief Executive Officer, Director | Grant/award (A): 365,242 @ $1.04 | EDGAR |
| 2025-04-15 | 4 | Pommeraud Larissa Tiffany — Director | Grant/award (A): 8,321 @ $0 | EDGAR |
| 2025-04-15 | 4 | SIEGEL TODD E — Director | Grant/award (A): 28,083 @ $0 | EDGAR |
| 2025-03-31 | 4 | Pommeraud Larissa Tiffany — Director | Grant/award (A): 7,500 (derivative) @ $0 | EDGAR |
| 2025-01-10 | 4/A | Justh Mark B — Director | Purchase (P): 244,653 (derivative) @ $0 | EDGAR |
| 2025-01-03 | 4 | Justh Mark B — Director | Purchase (P): 50,000 @ $0.64 | EDGAR |
| 2024-12-26 | 4 | Justh Mark B — Director | Purchase (P): 250,000 @ $0.55 | EDGAR |
| 2024-11-18 | 4 | Longley John D Jr — President & COO | Grant/award (A): 150,000 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | Justh Mark B — Director | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | Sawyer Jon D — Director | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | Gordon Mark — Chief Executive Officer, Director | Grant/award (A): 150,000 (derivative) @ $0 | EDGAR |
| 2024-11-18 | 4 | SIEGEL TODD E — Director | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-11-13 | 4 | SIEGEL TODD E — Director | Grant/award (A): 13,954 @ $0 | EDGAR |
| 2024-04-10 | 4 | SIEGEL TODD E — Director | Grant/award (A): 2,953 @ $0 | EDGAR |
| 2024-01-31 | 4 | Longley John D Jr — President & COO | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2024-01-31 | 4 | Justh Mark B — Director | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-01-31 | 4 | Sawyer Jon D — Director | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2024-01-31 | 4 | Gordon Mark — Chief Executive Officer, Director | Grant/award (A): 100,000 (derivative) @ $0 | EDGAR |
| 2024-01-31 | 4 | SIEGEL TODD E — Director | Grant/award (A): 30,000 (derivative) @ $0 | EDGAR |
| 2023-12-21 | 4 | Longley John D Jr — President & COO | Grant/award (A): 41,745 @ $0 · Tax withholding (F): 15,591 @ $3.13 · Option exercise (M): 20,166 (derivative) @ $0 · Option exercise (M): 21,579 (derivative) @ $0 | EDGAR |
| 2023-12-21 | 4 | Gordon Mark — Chief Executive Officer, Director | Grant/award (A): 88,449 @ $0 · Tax withholding (F): 33,035 @ $3.13 · Option exercise (M): 42,328 (derivative) @ $0 · Option exercise (M): 46,121 (derivative) @ $0 | EDGAR |
Recent 8-K events — ODYSSEY MARINE EXPLORATION INC
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-14 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant | EDGAR |
| 2026-07-24 | 8-K | 3.01 — Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing | EDGAR |
| 2026-06-03 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders | EDGAR |
| 2026-04-14 | 8-K | 3.02 — Unregistered Sales of Equity Securities 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-08 | 8-K | 1.01 — Entry into a Material Definitive Agreement 3.02 — Unregistered Sales of Equity Securities 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-27 | 8-K | 1.01 — Entry into a Material Definitive Agreement 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-14 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
| 2025-09-30 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
| 2025-09-23 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
| 2025-08-14 | 8-K | 3.02 — Unregistered Sales of Equity Securities | EDGAR |
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