Investor Imperial Petroleum Inc./Marshall Islands
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Imperial Petroleum Inc./Marshall Islands . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

Date Form Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2025-04-15 13D/A CISS / C3is Inc. 4,935,671
2025-01-14 13D/A CISS / C3is Inc. 11,930,326 11,532,251
2024-05-01 13D/A CISS / C3is Inc. 11,930,326
2024-03-20 13D/A CISS / C3is Inc. 60,000,000 462,820,117
2024-01-24 13D/A CISS / C3is Inc. 14,285,714 60,000,000
2023-07-28 13D CISS / C3is Inc. 14,285,714