Symbol
CISS on Nasdaq
Investment type
Equity / Common Stock, par value $0.01 per share
Latest Disclosed Shares Owned
9,913,422 shares
Security Ownership %
82%

Imperial Petroleum Inc. ownership in C3is Inc. Common Stock, par value $0.01 per share (CISS)

04 Feb 2026 - Imperial Petroleum Inc. has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 9,913,422 shares of C3is Inc. Common Stock, par value $0.01 per share (CISS). This represents 82% ownership of the company. This is the first filing by Imperial Petroleum Inc./Marshall Islands disclosing ownership of C3is Inc. Common Stock, par value $0.01 per share (CISS).