| Item 1. | |
| (a) | Name of issuer:
C3is Inc. |
| (b) | Address of issuer's principal executive offices:
331 KIFISSIAS AVENUE, ATHENS, GREECE, 14561 |
| Item 2. | |
| (a) | Name of person filing:
(i) Ascent Partners Fund LLC, a Delaware limited liability company ("Ascent");
(ii) Ascent Partners LLC, a Delaware limited liability company ("AP");
(iii) Dominion Capital LLC, a Connecticut limited liability company ("Dominion");
(iv) Dominion Capital GP LLC, a Delaware limited liability company ("Dominion GP");
(v) Eagle Claw Corp., a Delaware corporation ("Eagle Claw");
(vi) Masada Group Holdings LLC, a Florida limited liability company ("Masada");
(vii) Mikhail Gurevich;
(viii) Gennadiy Gurevich; and
(ix) Alon Brenner.
The foregoing persons are hereinafter sometimes collectively referred to as the "Reporting Persons". Any disclosures herein with respect to persons other than the Reporting Persons are made on information and belief after making inquiry to the appropriate party.
The Reporting Persons have entered into a Joint Filing Agreement, a copy of which is filed as Exhibit 1 to this Schedule 13G filed with the Securities and Exchange Commission on August 4, 2026, pursuant to which such Reporting Persons have agreed to file this Schedule 13G and all subsequent amendments to the Schedule 13G jointly in accordance with the provisions of Rule 13d-1(k) of the Act.
The filing of this Schedule 13G should not be construed in and of itself as an admission by any Reporting Person as to beneficial ownership of the shares of Common Stock reported herein. |
| (b) | Address or principal business office or, if none, residence:
19505 Biscayne Blvd., Suite 2350, Aventura, FL 33180 |
| (c) | Citizenship:
Each of Ascent, AP and Dominion GP is a Delaware limited liability company. Eagle Claw Corp. is a Delaware Corporation. Dominion is a Connecticut limited liability company. Masada is a Florida limited liability company. Each of Mikhail Gurevich, Gennadiy Gurevich, and Alon Brenner is a citizen of the United States. |
| (d) | Title of class of securities:
Common Stock, par value $0.01 per share |
| (e) | CUSIP No.:
|
| 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 this item with respect to each reporting person is set forth on rows 5 through 9 and 11 of the cover page to this Schedule 13G and is incorporated herein by reference for each such reporting person.
As of August 27, 2026, the Reporting Persons have exercised all warrants to purchase, and have sold, all of their remaining shares of common stock, par value $0.01 per share, of C3is Inc. (the "Common Stock") and no Reporting Person beneficially own any shares of Common Stock any longer. Accordingly, this constitutes an exit filing for each of the Reporting Persons.
Gennadiy Gurevich is the President of Eagle Claw. Mikhail Gurevich is the Chief Investment Officer of Eagle Claw. In these capacities, each of Mikhail Gurevich and Gennadiy Gurevich manages Eagle Claw, Dominion GP, Dominion Capital, AP and Ascent. Eagle Claw manages Dominion "GP, Dominion Capital, AP and Ascent. Dominion GP manages Dominion Capital, AP and Ascent. Dominion Capital manages AP and Ascent. Alon Brenner manages Masada, AP and Ascent. Masada manages AP and Ascent. AP manages Ascent.
Ascent has the power to dispose of and the power to vote the shares of Common Stock beneficially owned by it. Each of Mikhail Gurevich, Gennadiy Gurevich, Eagle Claw, Dominion GP, Dominion, Alon Brenner, Masada and AP may be deemed to beneficially own, and have the power to vote, the shares of Common Stock beneficially owned by Ascent and the other companies they are listed above as managing. |
| (b) | Percent of class:
0.00% |
| (c) | Number of shares as to which the person has:
|
| | (i) Sole power to vote or to direct the vote:
0
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| | (ii) Shared power to vote or to direct the vote:
0
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| | (iii) Sole power to dispose or to direct the disposition of:
0
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| | (iv) Shared power to dispose or to direct the disposition of:
0
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| Item 5. | Ownership of 5 Percent or Less of a Class. |
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Not Applicable
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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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Not Applicable
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| Item 9. | Notice of Dissolution of Group. |
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Not Applicable
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Rule 13d-1(c)