Gordon Mark, CEO of Odyssey Marine Exploration Inc. ($OMEX), made six open market sales of common shares in the last year, totaling $633 thousand. His most recent sale occurred on October 20, 2025. These transactions rank 5,975th out of 11,678 insiders in our database, well below the average sale value of $8.6 million and average of 6.4 transactions per insider. He reported no open market purchases during this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 23, 2026 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | M | Common Stock | 150000 | $0.41 | 632,235.0000 | 55,738,491 | 31.11% | 0.27% |
| March 23, 2026 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | M | Stock Option(Right to Buy) | 150000 | $0.00 | 0.0000 | 55,738,491 | 100.00% | 0.27% |
| Dec. 2, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | A | Stock Option(Right to Buy) | 100000 | $0.00 | 100,000.0000 | 55,738,491 | 9999.99% | 0.18% |
| Dec. 2, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | A | Restricted Stock Unit (RSU) | 25000 | $0.00 | 25,000.0000 | 55,738,491 | 9999.99% | 0.04% |
| Oct. 17, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | S | Common Stock | 30000 | $3.50 | 512,235.0000 | 29,161,833 | 5.53% | 0.10% |
| Oct. 20, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | S | Common Stock | 30000 | $3.56 | 482,235.0000 | 29,161,833 | 5.86% | 0.10% |
| Oct. 16, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | S | Common Stock | 30000 | $3.87 | 542,235.0000 | 29,161,833 | 5.24% | 0.10% |
| Oct. 14, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | S | Common Stock | 30000 | $3.74 | 602,235.0000 | 29,161,833 | 4.75% | 0.10% |
| Oct. 15, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | S | Common Stock | 30000 | $3.98 | 572,235.0000 | 29,161,833 | 4.98% | 0.10% |
| Oct. 13, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | S | Common Stock | 20956 | $3.50 | 632,235.0000 | 29,161,833 | 3.21% | 0.07% |
| June 27, 2025 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | A | Common Stock | 365242 | $1.04 | 653,191.0000 | 29,161,833 | 126.84% | 1.25% |
| Nov. 14, 2024 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | A | Stock Option (Right to Buy) | 150000 | $0.00 | 150,000.0000 | 0 | 9999.99% | 0.00% |
| Jan. 29, 2024 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | A | Stock Option (Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |
| Dec. 20, 2023 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | M | Restricted Stock Unit (RSU) | 42328 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 20, 2023 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | M | Restricted Stock Unit (RSU) | 46121 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| Dec. 20, 2023 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | F | Common Stock | 33035 | $3.13 | 267,949.0000 | 0 | 10.98% | 0.00% |
| Dec. 20, 2023 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | A | Common Stock | 88449 | $0.00 | 300,984.0000 | 0 | 41.62% | 0.00% |
| June 9, 2023 | ODYSSEY MARINE EXPLORATION INC | $OMEX | Gordon Mark | Chief Executive Officer | A | Stock Option(Right to Buy) | 100000 | $0.00 | 100,000.0000 | 0 | 9999.99% | 0.00% |