InsiderTrades

Form 4 for OMEX ODYSSEY MARINE EXPLORATION INC

Accepted 2025-10-15 00:00:00 ET · period of report 2025-10-13 · accession 0001193125-25-240389 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DMT 2025-10-15 2025-10-13+ OMEX Longley John D Jr Pres, COO M - OptEx $0.41 +150.0K 293.8K +104% +$61.5K
DMT 2025-10-15 2025-10-13+ OMEX Longley John D Jr Pres, COO S - Sale+OE $3.69 -256.0K 150.3K -63% -$944.7K
DMT 2025-10-15 2025-10-13+ OMEX Longley John D Jr Pres, COO M - OptEx $0.00 -150.0K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-10-13 M A 6,500 $0.41 262,862 D — —
2 Common Common Stock 2025-10-13 S D 38,977 $3.50 223,885 D — — (F1) The securities were sold under a 10b5-1 Trading Plan adopted May 15, 2025 and were acquired upon the vesting of restricted stock units during the period 12/20/2015 through 12/13/2019. This transaction was executed in multiple trades at prices ranging from $3.50 to $4.4999 per share. . The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
3 Common Common Stock 2025-10-14 S D 73,572 $3.75 150,313 D — — (F1) The securities were sold under a 10b5-1 Trading Plan adopted May 15, 2025 and were acquired upon the vesting of restricted stock units during the period 12/20/2015 through 12/13/2019. This transaction was executed in multiple trades at prices ranging from $3.50 to $4.4999 per share. . The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
4 Common Common Stock 2025-10-14 S D 143,500 $3.71 150,313 D — — (F1) The securities were sold under a 10b5-1 Trading Plan adopted May 15, 2025 and were acquired upon the vesting of restricted stock units during the period 12/20/2015 through 12/13/2019. This transaction was executed in multiple trades at prices ranging from $3.50 to $4.4999 per share. . The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
5 Common Common Stock 2025-10-14 M A 143,500 $0.41 293,813 D — —
6 Derivative Stock Option(Right to Buy) 2025-10-13 M D 6,500 $0.00 143,500 D $0.41 · 2024-11-14 to 2029-11-14 6,500 Common Stock
7 Derivative Stock Option(Right to Buy) 2025-10-14 M D 143,500 $0.00 0 D $0.41 · 2024-11-14 to 2029-11-14 143,500 Common Stock