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Odyssey Marine Exploration reports that CEO Mark Gordon exercised 4,167 Restricted Stock Units on June 30, 2026, receiving the same number of common shares. To satisfy tax obligations, 1,139 shares were delivered at $0.8504 per share. After these transactions he directly holds 635,263 common shares and 20,833 RSUs, which vest in six equal installments on June 30 and December 20 of 2026, 2027 and 2028.
Odyssey Marine Exploration President & COO John D. Longley Jr. reported equity compensation-related transactions involving company stock. He received a grant or award of 4,167 shares of Common Stock at no cost, increasing his direct Common Stock holdings to 154,480 shares.
On the same date, he also exercised 4,167 Restricted Stock Units (RSUs) into an equal number of Common shares. After this derivative transaction, he holds 20,833 RSUs directly. Each RSU represents a contingent right to one OMEX share and vests in six equal installments on June 30 and December 20 of 2026, 2027, and 2028. These transactions reflect compensation and derivative exercises rather than open-market buying or selling.
Odyssey Marine Exploration, Inc. is filing an amended Form S-4 to register Odyssey common stock to be issued in connection with a proposed merger in which Odyssey’s wholly owned subsidiary will merge into American Ocean Minerals Corporation (AOM), leaving AOM as a wholly owned subsidiary and Odyssey renamed American Ocean Minerals Corporation. The merger consideration uses an Exchange Ratio of 4.5017 Odyssey shares per AOM share (proportionately adjusted to 0.1801 after a planned 1-for-25 Reverse Stock Split).
The transaction includes financing commitments: an AOM PIPE Investment of $156.4 million and AOM Bridge financing of approximately $75.6 million, with AOM Bridge Debentures converting into AOM shares prior to closing. Pro forma ownership is expected to be ~93.4% held by pre‑Merger AOM holders and ~6.6% by pre‑Merger Odyssey holders. Closing is conditioned on Odyssey stockholder approvals, regulatory and other customary conditions; a termination fee of $2.2 million applies in certain termination scenarios.
Odyssey Marine Exploration filed an amendment to its annual report to update how it describes its marine mineral properties after a review by the SEC. The change focuses on clarifying which projects are material and aligning the disclosure with Subpart 1300 of Regulation S-K.
The company now identifies two material exploration-stage polymetallic nodule projects in the Cook Islands EEZ: the CIC Project, where it holds an approximate 13.1% equity interest in CIC Limited, and the OML Project, with an approximate 5.3% equity interest in Ocean Minerals, LLC. Its Lihir Gold Project in the Papua New Guinea EEZ is classified as not material.
As of December 31, 2025, all listed properties were in the exploration stage, with no mineral reserves, commercial harvesting, or mineral production disclosed. Odyssey holds only indirect economic interests, and mineral resources, where referenced, are noted as not having demonstrated economic viability. The company has not yet implemented formal internal controls over mineral resource or reserve estimation but expects to do so as exploration advances. The amendment does not change any previously reported financial results. As of June 30, 2025, non-affiliate equity value was approximately $38.3 million based on a $1.18 share price, and as of June 15, 2026, there were 58,574,115 shares of common stock outstanding.
Odyssey Marine Exploration director Mark B. Justh exercised 20,000 Restricted Stock Units into Common Stock. The RSUs converted at $0.00 per share on June 1, 2026, increasing his direct Common Stock holdings to 879,207 shares. After these transactions, he also reports indirect ownership of 77,159 Common Stock shares held by his spouse and 834 Common Stock shares held through an LLC. The filing shows a compensation-related derivative exercise rather than open-market buying or selling, and no remaining RSU position is listed after the conversion.
ODYSSEY MARINE EXPLORATION INC director Jon D. Sawyer reported an equity award vesting and related share movements. On June 1, 2026, he exercised 20,000 Restricted Stock Units (RSUs) into 20,000 shares of Common Stock at an exercise price of $0.00 per share.
Following this transaction, Sawyer holds 108,926 shares of Common Stock directly. The filing also shows 417 shares held indirectly through his wife's IRA and 10,455 shares held indirectly through a limited partnership. The RSU award referenced in the footnote vests on June 1, 2026, and the derivative RSU position is now fully settled in common shares.
Odyssey Marine Exploration director Todd E. Siegel exercised equity awards to acquire additional common shares. On June 1, 2026, he converted 20,000 Restricted Stock Units into 20,000 shares of Common Stock at a stated price of $0.00 per share. Following the transaction, he directly owned 166,377 shares of Common Stock. The filing shows no open-market purchases or sales, indicating a compensation-related derivative exercise rather than a discretionary trade.
Odyssey Marine Exploration director Larissa Tiffany Pommeraud exercised restricted stock units into common shares. On June 1, she converted 20,000 Restricted Stock Units (RSUs) into 20,000 shares of common stock at a stated price of $0.00 per share, reflecting equity-based compensation rather than a market purchase.
Following this non-cash exercise, she directly holds 101,970 shares of Odyssey Marine Exploration common stock. The filing shows no share sales or tax-withholding dispositions, so the transaction represents an increase in her direct share ownership through settlement of vested RSUs.
Odyssey Marine Exploration reported the results of its Annual Meeting of Stockholders held on June 1, 2026. Shareholders elected five directors, ratified Grant Thornton LLP as independent auditor, and approved several key governance and capital structure proposals.
Investors backed amendments to the company’s articles to change authorized capitalization and approved a reverse stock split proposal by wide margins. They also approved an equity plan proposal and, on an advisory basis, supported compensation for named executive officers, with millions of votes cast in favor on each item.
Sawyer Jon D reported acquisition or exercise transactions in this Form 4 filing.
Odyssey Marine Exploration director Jon D. Sawyer received an equity grant of 9,346 shares of common stock as a restricted stock award. The award was granted at no cash cost and is scheduled to vest on May 14, 2026, according to the footnote.
After this grant, Sawyer directly holds 88,926 shares of Odyssey Marine common stock. He also has indirect holdings reported as 417 shares through his wife's IRA and 10,455 shares through a limited partnership. The filing shows no open-market buys or sales, only this compensation-related share award and updated ownership totals.