Athanasios Tsiakmakis Reports 14.36% Ownership in C3is Inc.

Athanasios Tsiakmakis has filed a Schedule 13G with the SEC, reporting ownership of 14.36% of the common stock of C3is Inc. as of October 27, 2025. The filing indicates that Tsiakmakis beneficially owns 155,000 shares, with sole voting and dispositive power over these shares. The filing is made pursuant to Rule 13d-1(c) and certifies that the shares were not acquired for the purpose of influencing the control of the issuer. C3is Inc. is based in Athens, Greece, and the shares in question are common stock with a par value of $0.01 per share.