C3is (CISS) 6-K Management’s Discussion and Analysis of Financial Condition and Results of Operations

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of June 2023

Commission File Number 001-41717

C3IS INC.

(Translation of registrant’s name into English)

331 Kifissias Avenue Erithrea 14561 Athens, Greece

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F   ☒                Form 40-F   ☐

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EXHIBIT INDEX

99.1 Management’s Discussion and Analysis of Financial Condition and Results of Operations and Consolidated Financial Statements for the Three Months Ended March 31, 2023

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: June 23, 2023

C3IS INC.
By:	/s/ Nina Pyndiah
Name:	Nina Pyndiah
Title:	Chief Financial Officer

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