| Item 1. | |
| (a) | Name of issuer:
ODYSSEY MARINE EXPLORATION INC |
| (b) | Address of issuer's principal executive offices:
205 S. Hoover Blvd., Suite 210, Tampa, Florida, 33609 |
| Item 2. | |
| (a) | Name of person filing:
This statement is filed by the entities and persons listed below, all of whom together are referred to herein as the "Reporting Persons".
(i) Greywolf Opportunities Master Fund II LP, a Cayman Islands exempted limited partnership ("Greywolf Master Fund II"), with respect to the Shares held by it;
(ii) Greywolf Advisors LLC, a Delaware limited liability company and the general partner of Greywolf Master Fund II (the "General Partner"), with respect to the Shares held by Greywolf Master Fund II;
(iii) Greywolf Capital Management LP, a Delaware limited partnership and the investment manager of Greywolf Master Fund II (the "Investment Manager"), with respect to (a) the Shares that it has the right to acquire upon the exercise of Warrants (as defined in Item 4) held by it, and (b) the Shares held by Greywolf Master Fund II;
(iv) Greywolf GP LLC, a Delaware limited liability company and the general partner of the Investment Manager (the "Investment Manager General Partner"), with respect to (a) the Shares that the Investment Manager has the right to acquire upon the exercise of Warrants held by it, and (b) the Shares held by Greywolf Master Fund II; and
(v) Jonathan Savitz ("Savitz"), a United States citizen and the senior managing member of the General Partner and the sole managing member of the Investment Manager General Partner, with respect to (a) the Shares that the Investment Manager has the right to acquire upon the exercise of Warrants held by it, and (b) the Shares held by Greywolf Master Fund II. |
| (b) | Address or principal business office or, if none, residence:
The address of the principal business office of: (i) each of the Reporting Persons other than Greywolf Master Fund II is 4 Manhattanville Road, Suite 201, Purchase, New York 10577; and (ii) Greywolf Master Fund II is Harneys Fiduciary (Cayman) Limited, 4th Floor, Harbour Place, 103 South Church Street, PO Box 10240, Grand Cayman KY1-1002, Cayman Islands. |
| (c) | Citizenship:
The citizenship of each of the Reporting Persons is set forth on the cover page for such Reporting Person. |
| (d) | Title of class of securities:
Common Stock, par value $0.0001 per share (the "Shares") |
| (e) | CUSIP No.:
676118201 |
| Item 3. | If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a: |
| (a) |  Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
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| (b) | Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
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| (c) | Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
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| (d) | Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
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| (e) | An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
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| (f) | An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
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| (g) | A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
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| (h) | A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
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| (i) | A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
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| (j) | A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
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| (k) | Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
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| Item 4. | Ownership |
| (a) | Amount beneficially owned:
The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person is incorporated herein by reference for each such Reporting Person.
As of the date of this report, the Investment Manager holds 342,391 warrants, issued June 10, 2022, each of which is currently exercisable, pursuant to its terms, for one Share (the "Warrants"). Accordingly, as of the date of this report, certain of the Reporting Persons may be deemed to beneficially own an aggregate of 4,542,471 Shares, representing 9.98% of the class of Shares outstanding, as calculated in accordance with Rule 13d-3 under the Securities Exchange Act of 1934, as amended.
The Shares reported hereby as held by Greywolf Master Fund II are held directly by Greywolf Master Fund II. The General Partner, as the general partner of Greywolf Master Fund II, may be deemed to be a beneficial owner of all such Shares held by Greywolf Master Fund II. The Warrants reported hereby as held by the Investment Manager are held directly by the Investment Manager. In addition, the Investment Manager, as the investment manager of Greywolf Master Fund II, may be deemed to be a beneficial owner of all such Shares held by Greywolf Master Fund II. The Investment Manager General Partner, as the general partner of the Investment Manager, may be deemed to be a beneficial owner of (a) all such Shares that the Investment Manager has the right to acquire upon exercise of Warrants held by it, and (b) all such Shares held by Greywolf Master Fund II. Savitz, as the senior managing member of the General Partner and the sole managing member of the Investment Manager General Partner, may be deemed to be a beneficial owner of (a) all such Shares held by Greywolf Master Fund II, and (b) all such Shares that the Investment Manager has the right to acquire upon exercise of Warrants held by it. Each of the General Partner, the Investment Manager, the Investment Manager General Partner and Savitz hereby disclaims any beneficial ownership of any such Shares. |
| (b) | Percent of class:
The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person is incorporated herein by reference for each such Reporting Person.
The percentage amount set forth in Row 11 for all cover pages filed herewith is calculated based upon 45,532,990 Shares outstanding as of August 12, 2025, as provided by the Issuer and adjusted for the issuance of Shares to Greywolf Master Fund II in connection with the conversion of certain debt instruments. |
| (c) | Number of shares as to which the person has:
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| | (i) Sole power to vote or to direct the vote:
The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person is incorporated herein by reference for each such Reporting Person.
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| | (ii) Shared power to vote or to direct the vote:
The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person is incorporated herein by reference for each such Reporting Person.
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| | (iii) Sole power to dispose or to direct the disposition of:
The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person is incorporated herein by reference for each such Reporting Person.
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| | (iv) Shared power to dispose or to direct the disposition of:
The information required by Items 4(a) - (c) and set forth in Rows 5 through 11 of the cover page for each Reporting Person is incorporated herein by reference for each such Reporting Person.
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| Item 5. | Ownership of 5 Percent or Less of a Class. |
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| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. |
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Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. |
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Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. |
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If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
The Reporting Persons are filing this Schedule 13G pursuant to Rule 13d-1(c). Consistent with Item 2 of the cover page for each Reporting Person above, the Reporting Persons neither disclaim nor affirm the existence of a group among them. |
| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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Rule 13d-1(c)