Athanasios Tsiakmakis

Holdings History for C3is Inc. - Common Stock, $0.01 par value (CISS)

Symbol: CISS on Nasdaq
Investment type: Equity / Common Stock, $0.01 par value
Latest Disclosed Shares Owned: 155,000 shares
Security Ownership %: 14%

Athanasios Tsiakmakis ownership in C3is Inc. Common Stock, $0.01 par value (CISS)

28 Oct 2025 - Athanasios Tsiakmakis has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 155,000 shares of C3is Inc. Common Stock, $0.01 par value (CISS). This represents 14% ownership of the company. This is the first filing by Athanasios Tsiakmakis disclosing ownership of C3is Inc. Common Stock, $0.01 par value (CISS).

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
Athanasios Tsiakmakis	14%		$330,150	155,000			$2.13	13G	16 Sep 2025	28 Oct 2025, 17:00