Symbol
CISS on Nasdaq
Investment type
Equity / Common Stock, par value $0.01 per share
Latest Disclosed Shares Owned
100,577 shares
Security Ownership %
3.7%

Harry N. Vafias ownership in C3is Inc. Common Stock, par value $0.01 per share (CISS)

10 Oct 2025 - Harry N. Vafias has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 100,577 shares of C3is Inc. Common Stock, par value $0.01 per share (CISS). This represents 3.7% ownership of the company. In their previous filing dated 01 Oct 2025, Flawless Management Inc. had reported owning 100,577 shares, indicating a new holding.