ODYSSEY MARINE EXPLORATION INC (OMEX) Insider Trading & SEC Filings
Last SEC filing
ODYSSEY MARINE EXPLORATION INC (OMEX) has filed 8 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-02. 2 Form 8-K material event filings were reported by OMEX in the last 90 days. InsiderAlpha tracks every OMEX SEC filing - Form 4, Form 144, and 8-K - in real time, including Rule 10b5-1 plan detection.
About ODYSSEY MARINE EXPLORATION INC (OMEX)
ODYSSEY MARINE EXPLORATION INC trades under the ticker OMEX. InsiderAlpha tracks 45 primary SEC Form 4 filings from 7 reporting insiders for OMEX since 2024, sourced directly from SEC EDGAR.
| Sector | Industrials insider trading |
|---|---|
| SIC classification | Water Transportation (SIC 4400) |
| SEC CIK | 0000798528 |
90-Day SEC Filing Activity
| Form 4 filings (90d) | 8 |
|---|---|
| Form 8-K filings (90d) | 2 |
| Latest Form 4 filing | 2026-07-02 |
Recent OMEX Insider Transactions (Form 4)
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| John D. Longley Jr. | President & COO | A - Grant or award | 4.2K | $0.00 | - | SEC | |
| Mark Gordon | Chief Executive Officer | F - Tax withholding / forfeiture | 1.1K | $0.85 | $969 | SEC | |
| Mark Gordon | Chief Executive Officer | A - Grant or award | 4.2K | $0.00 | - | SEC | |
| Jon D. Sawyer | Insider | M - Option exercise | 20.0K | $0.00 | - | SEC | |
| Mark B. Justh | Insider | M - Option exercise | 20.0K | $0.00 | - | SEC | |
| Larissa Tiffany Pommeraud | Insider | M - Option exercise | 20.0K | $0.00 | - | SEC | |
| Todd E. Siegel | Insider | M - Option exercise | 20.0K | $0.00 | - | SEC | |
| Larissa Tiffany Pommeraud | Insider | A - Grant or award | 9.3K | $0.00 | - | SEC | |
| Jon D. Sawyer | Insider | A - Grant or award | 9.3K | $0.00 | - | SEC | |
| Larissa Tiffany Pommeraud | Insider | A - Grant or award | 24.0K | $0.00 | - | SEC | |
| Todd E. Siegel | Insider | A - Grant or award | 31.5K | $0.00 | - | SEC | |
| Mark Gordon | Chief Executive Officer | M - Option exercise | 150.0K | $0.41 | $62K | SEC | |
| Larissa Tiffany Pommeraud | Insider | A - Grant or award | 6.8K | $0.00 | - | SEC | |
| Larissa Tiffany Pommeraud | Insider | A - Grant or award | 5.3K | $0.00 | - | SEC | |
| Todd E. Siegel | Insider | A - Grant or award | 7.9K | $0.00 | - | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for ODYSSEY MARINE EXPLORATION INC (OMEX). Updated in real time as new filings are submitted to the SEC.
Most-Active OMEX Insiders - Last 90 Days
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Mark Gordon | 3 | $969 |
| Larissa Tiffany Pommeraud | 3 | - |
| Jon D. Sawyer | 3 | - |
| John D. Longley Jr. | 2 | - |
| Todd E. Siegel | 2 | - |
Recent OMEX Form 8-K Material Events
- - Item 3.01 [SEC]
- - Item 5.07 [SEC]
- - Item 3.02, 8.01, 9.01 · Acquisition · positive [SEC]
Odyssey Marine Exploration announced a proposed merger with American Ocean Minerals Corporation (AOM) pursuant to a definitive Agreement and Plan of Merger dated April 8, 2026. The companies held a joint conference call on April 13, 2026 to discuss the transaction, with Odyssey i - - Item 1.01, 3.02, 5.02, 7.01, 9.01 · Acquisition · positive [SEC]
Odyssey Marine Exploration entered into a definitive merger agreement to be acquired by American Ocean Minerals Corporation (AOM), with AOM becoming a wholly owned subsidiary of Odyssey. Under the all-stock transaction, AOM shareholders will receive 4.5017 shares of Odyssey commo - - Item 1.01, 9.01 · Contract · neutral [SEC]
Odyssey Marine Exploration entered into an amended and restated joint venture agreement on February 27, 2026, with Capital Latinoamericano for a strategic fertilizer production project in Mexico. The restated agreement modifies terms of the original December 2024 JV Agreement and
Recent Insider Filings
- - Mark Gordon (Chief Executive Officer)
- - John D. Longley Jr. (President & COO)
- - Mark B. Justh (Insider)
- - Jon D. Sawyer (Insider)
- - Todd E. Siegel (Insider)
Form 4 Transaction Code Reference
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in OMEX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
OMEX Insider Trading - FAQ
- What is the latest insider trade for OMEX?
- ODYSSEY MARINE EXPLORATION INC (OMEX) had 8 insider filings in the last 90 days, with the most recent on 2026-07-02. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
- How many insiders are buying OMEX stock?
- 0 insider purchases of OMEX were filed in the last 90 days.
- How many insiders are selling OMEX stock?
- 0 insider sales of OMEX were filed in the last 90 days.
- Where can I see OMEX SEC filings (Form 4, 10-K, 10-Q, 8-K)?
- This page tracks OMEX Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Learn More
- What is SEC Form 4?
- How to read insider buying signals
- Rule 10b5-1 trading plans explained
- The cluster buying signal
Open the live OMEX dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.