SEC Form 4 · Updated Daily
OMEX
— ODYSSEY MARINE EXPLORATION, INC. OwnershipInsider and institutional ownership derived from SEC Form 4 filings. Click any owner to see their holdings across every company they’ve filed on, and how their position has changed over time.
Current Reporting Owners
| Owner | Role | Shares Owned | As Of | Last Activity |
|---|---|---|---|---|
| Cortina Gallardo Juan Antonio Carlos | 10%+ Owner | 3,931,466 | 2025-07-31 | X |
| Justh Mark B | Director | 859,207 | 2025-06-27 | A |
| Gordon Mark | Director · Officer | 482,235 | 2025-10-20 | S |
| Longley John D Jr | Officer | 293,813 | 2025-10-14 | M |
| Pommeraud Larissa Tiffany | Director | 16,796 | 2025-07-15 | A |
Recent Filings
| Date | Owner | Activity | Shares | Price | Owned After |
|---|---|---|---|---|---|
| 2025-10-20 | Gordon Mark | Open-market sale | 30,000 | $3.56 | 482,235 |
| 2025-10-17 | Gordon Mark | Open-market sale | 30,000 | $3.50 | 512,235 |
| 2025-10-16 | Gordon Mark | Open-market sale | 30,000 | $3.87 | 542,235 |
| 2025-10-15 | Gordon Mark | Open-market sale | 30,000 | $3.98 | 572,235 |
| 2025-10-14 | Gordon Mark | Open-market sale | 30,000 | $3.74 | 602,235 |
| 2025-10-14 | Longley John D Jr | Option exercise (derivative) | 143,500 | $0.00 | 0 |
| 2025-10-14 | Longley John D Jr | Option exercise | 143,500 | $0.41 | 293,813 |
| 2025-10-14 | Longley John D Jr | Open-market sale | 73,572 | $3.75 | 150,313 |
| 2025-10-13 | Gordon Mark | Open-market sale | 20,956 | $3.50 | 632,235 |
| 2025-10-13 | Longley John D Jr | Option exercise (derivative) | 6,500 | $0.00 | 143,500 |
| 2025-10-13 | Longley John D Jr | Open-market sale | 38,977 | $3.50 | 223,885 |
| 2025-10-13 | Longley John D Jr | Option exercise | 6,500 | $0.41 | 262,862 |
| 2025-07-31 | Cortina Gallardo Juan Antonio Carlos | Option exercise (out-of-money) (derivative) | 1,939,468 | $1.10 | 0 |
| 2025-07-31 | Cortina Gallardo Juan Antonio Carlos | Option exercise (out-of-money) | 1,939,468 | $1.10 | 3,931,466 |
| 2025-07-29 | Cortina Gallardo Juan Antonio Carlos | J | 1,991,998 | $0.00 | 1,991,998 |
| 2025-07-29 | Cortina Gallardo Juan Antonio Carlos | J | 1,991,998 | $0.00 | 0 |
| 2025-07-25 | Cortina Gallardo Juan Antonio Carlos | J (derivative) | 1,939,468 | $0.00 | 1,939,468 |
| 2025-07-25 | Cortina Gallardo Juan Antonio Carlos | J (derivative) | 1,939,468 | $0.00 | 0 |
| 2025-07-22 | Cortina Gallardo Juan Antonio Carlos | Open-market sale | 409,100 | $1.70 | 1,991,998 |
| 2025-07-18 | Cortina Gallardo Juan Antonio Carlos | Open-market sale | 473,591 | $1.72 | 2,401,098 |
| 2025-07-17 | Cortina Gallardo Juan Antonio Carlos | Open-market sale | 96,409 | $1.70 | 2,874,689 |
| 2025-07-15 | Pommeraud Larissa Tiffany | Grant / award | 8,475 | $0.00 | 16,796 |
| 2025-06-30 | Cortina Gallardo Juan Antonio Carlos | Option exercise (out-of-money) (derivative) | 489,279 | $1.10 | 1,939,468 |
| 2025-06-30 | Cortina Gallardo Juan Antonio Carlos | Option exercise (out-of-money) | 489,279 | $1.10 | 2,971,098 |
| 2025-06-27 | Longley John D Jr | Grant / award | 144,466 | $1.04 | 256.362 |
| 2025-06-27 | Justh Mark B | Grant / award | 385,242 | $1.04 | 859,207 |
| 2025-06-27 | Gordon Mark | Grant / award | 365,242 | $1.04 | 653,191 |
Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.