MetaCap

C3is SEC Filings

NASDAQ: CISSConsumer DiscretionaryMarine TransportationUSD

0.7831-0.04 (-4.86%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

C3is filing overview

This page lists 60 recent SEC filings by C3is (CISS), including 20 6-K, 12 SCHEDULE 13G, 11 SCHEDULE 13G/A, 10 424B3. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.

Summary generated from market data by MetaCap's automated system. Methodology

CISS SEC filings

C3is SEC filings
FiledFormDescriptionDocument
Oct 5, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Oct 5, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Oct 2, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Sep 29, 20266-KReport of foreign private issuerView on EDGAR
Sep 3, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 27, 20266-KReport of foreign private issuerView on EDGAR
Aug 27, 2026424B3ProspectusView on EDGAR
Aug 27, 2026424B3ProspectusView on EDGAR
Aug 27, 2026424B3ProspectusView on EDGAR
Aug 27, 2026424B3ProspectusView on EDGAR
Aug 27, 2026424B3ProspectusView on EDGAR
Aug 19, 20266-KReport of foreign private issuerView on EDGAR
Aug 19, 2026424B3ProspectusView on EDGAR
Aug 19, 2026424B3ProspectusView on EDGAR
Aug 19, 2026424B3ProspectusView on EDGAR
Aug 19, 2026424B3ProspectusView on EDGAR
Aug 19, 2026424B3ProspectusView on EDGAR
Aug 19, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 17, 20266-KReport of foreign private issuerView on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 4, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Aug 3, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Aug 3, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jul 31, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jul 28, 20266-KReport of foreign private issuerView on EDGAR
Jul 27, 20266-KReport of foreign private issuerView on EDGAR
Jul 23, 2026F-1/ARegistration statement (foreign issuer) (amendment)View on EDGAR
Jul 22, 20266-KReport of foreign private issuerView on EDGAR
Jul 22, 2026F-1Registration statement (foreign issuer)View on EDGAR
Jun 22, 20266-KReport of foreign private issuerView on EDGAR
May 18, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
May 18, 20266-KReport of foreign private issuerView on EDGAR
May 11, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Apr 27, 20266-KReport of foreign private issuerView on EDGAR
Apr 23, 20266-KReport of foreign private issuerView on EDGAR
Apr 22, 202620-FAnnual report (foreign private issuer)View on EDGAR
Feb 27, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Feb 25, 20266-KReport of foreign private issuerView on EDGAR
Feb 19, 20266-KReport of foreign private issuerView on EDGAR
Feb 11, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Jan 26, 20266-KReport of foreign private issuerView on EDGAR
Jan 22, 20266-KReport of foreign private issuerView on EDGAR
Jan 20, 20266-KReport of foreign private issuerView on EDGAR
Jan 14, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jan 13, 2026SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Jan 8, 2026SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Dec 19, 20256-KReport of foreign private issuerView on EDGAR
Dec 18, 2025SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Dec 17, 2025SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Dec 12, 20256-KReport of foreign private issuerView on EDGAR
Dec 5, 2025F-1/ARegistration statement (foreign issuer) (amendment)View on EDGAR
Nov 18, 20256-KReport of foreign private issuerView on EDGAR
Nov 14, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Nov 3, 2025F-1/ARegistration statement (foreign issuer) (amendment)View on EDGAR
Oct 28, 2025SCHEDULE 13GBeneficial ownership report (passive)View on EDGAR
Oct 10, 2025SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR
Oct 9, 20256-KReport of foreign private issuerView on EDGAR
Oct 2, 2025SCHEDULE 13G/ABeneficial ownership report (passive) (amendment)View on EDGAR
Oct 1, 2025SCHEDULE 13D/ABeneficial ownership report (activist) (amendment)View on EDGAR

Related