SEC Company Response from C3is (CISS) — Dec 9, 2025
C3is Inc.
Date: Dec. 9, 2025 · CIK: 0001951067 · Accession: 0001193125-25-312279
AI Filing Summary & Sentiment
Reasoning
File numbers found in text: 333-290011
Letter
Re: C3is Inc. Registration Statement on Form F-1, as amended (File No. 333-290011) Request for Acceleration of Effective Date To whom it may concern: Pursuant to Rule 461 under the Securities Act of 1933, as amended, C3is Inc. (the “ Company ”) hereby respectfully requests that the effective date of the Company’s Registration Statement on Form F-1 (File No. 333-290011), as amended, be accelerated by the Securities and Exchange Commission to 4:30 p.m. Eastern time, on December 10, 2025, or as soon thereafter as possible. We request that we be notified of such effectiveness by a telephone call to Finn Murphy of Goodwin Procter LLP at (212) 459-7257 and that such effectiveness also be confirmed in writing.
C3is Inc. 331 Kifissias Avenue Kifissia 14561 Athens, Greece December 9, 2025 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549 Attn: Liz Packebush and Daniel Morris
Very truly yours,
C3is Inc.
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CORRESP 1 filename1.htm CORRESP C3is Inc. 331 Kifissias Avenue Kifissia 14561 Athens, Greece December 9, 2025 VIA EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Energy & Transportation 100 F Street, N.E. Washington, D.C. 20549 Attn: Liz Packebush and Daniel Morris Re: C3is Inc. Registration Statement on Form F-1, as amended (File No. 333-290011) Request for Acceleration of Effective Date To whom it may concern: Pursuant to Rule 461 under the Securities Act of 1933, as amended, C3is Inc. (the “ Company ”) hereby respectfully requests that the effective date of the Company’s Registration Statement on Form F-1 (File No. 333-290011), as amended, be accelerated by the Securities and Exchange Commission to 4:30 p.m. Eastern time, on December 10, 2025, or as soon thereafter as possible. We request that we be notified of such effectiveness by a telephone call to Finn Murphy of Goodwin Procter LLP at (212) 459-7257 and that such effectiveness also be confirmed in writing. Very truly yours, C3is Inc. By: /s/ Diamantis Andriotis Name: Diamantis Andriotis Title: Chief Executive Officer and Director cc: Finn Murphy, Goodwin Procter LLP