C3is Inc. (CISS) SEC filings

CISSNasdaqDeep Sea Foreign Transportation of FreightFiscal year ends December 31

Financials through fiscal 2025, year ended Dec 31, 2025Last filing: 20-F on Apr 22, 2026Score 7/30

$1.80+0.05 (+2.86%)

Close on Nov 13, 2026Market cap $69.64KP/E 0.5Yield –

SEC filings

40 of C3is's most recent filings on SEC EDGAR

Document	Form	Period	Filed	Source
Current report	6-K	Nov 9, 2026	Nov 9, 2026	SEC EDGAR
Current report	6-K	Nov 5, 2026	Nov 5, 2026	SEC EDGAR
Current report	6-K	Jun 30, 2026	Sep 29, 2026	SEC EDGAR
Current report	6-K	Aug 27, 2026	Aug 27, 2026	SEC EDGAR
Current report	6-K	Aug 19, 2026	Aug 19, 2026	SEC EDGAR
Current report	6-K	Aug 17, 2026	Aug 17, 2026	SEC EDGAR
Current report	6-K	Jul 28, 2026	Jul 28, 2026	SEC EDGAR
Current report	6-K	Jul 27, 2026	Jul 27, 2026	SEC EDGAR
Current report	6-K	Jul 22, 2026	Jul 22, 2026	SEC EDGAR
Current report	6-K	Jun 22, 2026	Jun 22, 2026	SEC EDGAR
Current report	6-K	May 18, 2026	May 18, 2026	SEC EDGAR
Current report	6-K	Apr 27, 2026	Apr 27, 2026	SEC EDGAR
Current report	6-K	Apr 23, 2026	Apr 23, 2026	SEC EDGAR
Annual report	20-F	Dec 31, 2025	Apr 22, 2026	SEC EDGAR
Current report	6-K	Feb 25, 2026	Feb 25, 2026	SEC EDGAR
Current report	6-K	Feb 19, 2026	Feb 19, 2026	SEC EDGAR
Current report	6-K	Jan 26, 2026	Jan 26, 2026	SEC EDGAR
Current report	6-K	Jan 22, 2026	Jan 22, 2026	SEC EDGAR
Current report	6-K	Jan 20, 2026	Jan 20, 2026	SEC EDGAR
Current report	6-K	Dec 19, 2025	Dec 19, 2025	SEC EDGAR
Current report	6-K	Dec 12, 2025	Dec 12, 2025	SEC EDGAR
Current report	6-K	Nov 18, 2025	Nov 18, 2025	SEC EDGAR
Current report	6-K	Oct 9, 2025	Oct 9, 2025	SEC EDGAR
Current report	6-K	Jun 30, 2025	Sep 29, 2025	SEC EDGAR
Current report	6-K	Sep 2, 2025	Sep 2, 2025	SEC EDGAR
Current report	6-K	Aug 29, 2025	Aug 29, 2025	SEC EDGAR
Current report	6-K	Jun 25, 2025	Jun 25, 2025	SEC EDGAR
Current report	6-K	May 16, 2025	May 16, 2025	SEC EDGAR
Annual report	20-F	Dec 31, 2024	Apr 28, 2025	SEC EDGAR
Current report	6-K	Apr 4, 2025	Apr 4, 2025	SEC EDGAR
Current report	6-K	Apr 2, 2025	Apr 2, 2025	SEC EDGAR
Current report	6-K	Mar 12, 2025	Mar 12, 2025	SEC EDGAR
Current report	6-K	Feb 21, 2025	Feb 21, 2025	SEC EDGAR
Current report	6-K	Feb 18, 2025	Feb 18, 2025	SEC EDGAR
Current report	6-K	Jan 2, 2025	Jan 2, 2025	SEC EDGAR
Current report	6-K	Nov 19, 2024	Nov 19, 2024	SEC EDGAR
Current report	6-K	Jun 30, 2024	Sep 30, 2024	SEC EDGAR
Current report	6-K	Aug 30, 2024	Aug 30, 2024	SEC EDGAR
Current report	6-K	Aug 23, 2024	Aug 23, 2024	SEC EDGAR
Current report	6-K	May 28, 2024	May 28, 2024	SEC EDGAR

Where these numbers come from

Parsed from the XBRL in C3is's annual and quarterly filings with the SEC
Per-share figures adjusted for the 1-for-40 reverse split on Aug 19, 2026
Fourth quarters derived from the annual report minus nine months
Every figure in the statements links to its source filing

Against peers

Trailing twelve months. Peers are matched on business description, industry and size. Ticks are peers, the dot is CISS.

Compare: CISS vs PXS · CISS vs GLBS · CISS vs SVRN · CISS vs PSHG · CISS vs HMR

Company	Revenue	Growth
PXS	$58.34M	+130.2%
CISS	$34.76M	-17.8%
GLBS	–	–
SVRN	–	–
PSHG	–	–
HMR	–	–

Company

Exchange: Nasdaq
Industry: Deep Sea Foreign Transportation of Freight
Fiscal year ends: December 31
Held by institutions: 0.1%
Auditor: Deloitte Certified Public Accountants S.A.
SEC CIK: 1951067

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