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.

Continue researchCISS overviewCompany snapshotMarket cap, financials, charts, and latest company context.

Continue researchMarket cap historyLive rankingSee the market value trend behind the filing history.

Continue researchRevenue trendAnnual historyMove from documents into filing-backed operating results.

Continue researchCompare with FROPeer viewPut CISS beside FRO across market cap, revenue, income, and filings.

Browse latest filings across all companies →Follow CISS via RSS

Similar companies to research next

FROFrontline plc

CMBTCmb.Tech NV SSTNGScorpio Tankers Inc.SSBLKStar Bulk Carriers Corp.

ZIMZIM Integrated Shipping Services Ltd.

TRMDTORM plc

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	6mo ago2025-12-30	-	View filing
424B3	424B3	6mo ago2025-12-19	-	View filing
424B3	424B3	6mo ago2025-12-19	-	View filing
424B3	424B3	6mo ago2025-12-19	-	View filing
424B3	424B3	6mo ago2025-12-19	-	View filing
6-K	6-K	6mo ago2025-12-19	2025-12-19	View filing
EFFECT	EFFECT	6mo ago2025-12-18	-	View filing
EFFECT	EFFECT	6mo ago2025-12-18	-	View filing
EFFECT	EFFECT	6mo ago2025-12-18	-	View filing
SCHEDULE 13G	SCHEDULE 13G	6mo ago2025-12-18	-	View filing
SCHEDULE 13G	SCHEDULE 13G	6mo ago2025-12-17	-	View filing
POS AM	POS AM	6mo ago2025-12-15	-	View filing
POS AM	POS AM	6mo ago2025-12-15	-	View filing
POS AM	POS AM	6mo ago2025-12-15	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	6mo ago2025-12-15	-	View filing
6-K	6-K	7mo ago2025-12-12	2025-12-12	View filing
424B4	424B4	7mo ago2025-12-11	-	View filing
EFFECT	EFFECT	7mo ago2025-12-10	-	View filing
F-1/A	F-1/A	7mo ago2025-12-05	-	View filing
EFFECT	EFFECT	7mo ago2025-11-21	-	View filing
6-K	6-K	7mo ago2025-11-18	2025-11-18	View filing
SCHEDULE 13G/A	SCHEDULE 13G/A	7mo ago2025-11-14	-	View filing
F-1/A	F-1/A	8mo ago2025-11-03	-	View filing
SCHEDULE 13G	SCHEDULE 13G	8mo ago2025-10-28	-	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
6-K	6-K	9mo ago2025-10-09	2025-10-09	View filing
424B5	Prospectus supplement	9mo ago2025-10-09	-	View filing
SCHEDULE 13G/A	SCHEDULE 13G/A	9mo ago2025-10-02	-	View filing
SCHEDULE 13D/A	SCHEDULE 13D/A	9mo ago2025-10-01	-	View filing
POS AM	POS AM	9mo ago2025-10-01	-	View filing
POS AM	POS AM	9mo ago2025-10-01	-	View filing
POS AM	POS AM	9mo ago2025-10-01	-	View filing
6-K	6-K	9mo ago2025-09-29	2025-06-30	View filing
SCHEDULE 13G/A	SCHEDULE 13G/A	9mo ago2025-09-29	-	View filing
SCHEDULE 13G	SCHEDULE 13G	9mo ago2025-09-24	-	View filing
F-1	F-1	10mo ago2025-09-03	-	View filing
424B3	424B3	10mo ago2025-09-02	-	View filing
424B3	424B3	10mo ago2025-09-02	-	View filing
424B3	424B3	10mo ago2025-09-02	-	View filing
6-K	6-K	10mo ago2025-09-02	2025-09-02	View filing
6-K	6-K	10mo ago2025-08-29	2025-08-29	View filing
DRS	DRS	11mo ago2025-07-21	-	View filing
6-K	6-K	1y ago2025-06-25	2025-06-25	View filing
424B3	424B3	1y ago2025-05-16	-	View filing
424B3	424B3	1y ago2025-05-16	-	View filing
424B3	424B3	1y ago2025-05-16	-	View filing
6-K	6-K	1y ago2025-05-16	2025-05-16	View filing
EFFECT	EFFECT	1y ago2025-05-05	-	View filing
EFFECT	EFFECT	1y ago2025-05-05	-	View filing

C3is Inc.

Similar companies to research next

Year