C3is Inc.

CISS - Company ID 0001951067

Market cap-

Rank-

Filings260

C3is Inc. has filed 260 public company documents between 2022 and 2026. The most frequent type is 424b3 (78 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

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Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.

Type	Filing	Filed	Period covered	Open
SCHEDULE 13D/A	SCHEDULE 13D/A	2mo ago2026-05-06	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	5mo ago2026-02-04	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	6mo ago2025-12-30	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	6mo ago2025-12-15	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	9mo ago2025-10-10	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	9mo ago2025-10-10	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	9mo ago2025-10-01	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	1y ago2025-04-15	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	1y ago2025-01-14	-	View filing

C3is Inc.

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