Year archive

C3is Inc. — 2026 filings

All 28 regulatory filings released by C3is Inc. (CISS) in 2026, sourced directly from the official regulator.

28 Filings

2026 Period

2026 filings (28)

Filing	Released	Lang
424B3 Regulatory Filings	2026-05-18	English
424B3 Regulatory Filings	2026-05-18	English
424B3 Earnings Release Q1 2026	2026-05-18	English
424B3 Capital/Financing Update	2026-05-18	English
6-K Earnings Release Q1 2026	2026-05-18	English
6-K - C3is Inc. (0001951067) (Filer) Capital/Financing Update	2026-04-27	English
20-F - C3is Inc. (0001951067) (Filer) Annual Report FY 2025	2026-04-22	English
3 - C3is Inc. (0001951067) (Issuer) Director's Dealing	2026-03-18	English
3 - C3is Inc. (0001951067) (Issuer) Director's Dealing	2026-03-18	English
SCHEDULE 13G Filing Major Shareholding Notification	2026-02-11	English
424B3 Regulatory Filings	2026-01-26	English
424B3 Regulatory Filings	2026-01-26	English
424B3 Regulatory Filings	2026-01-26	English
424B3 Regulatory Filings	2026-01-26	English
6-K Regulatory Filings	2026-01-26	English
424B3 Share Issue/Capital Change	2026-01-22	English
424B3 Share Issue/Capital Change	2026-01-22	English
424B3 Share Issue/Capital Change	2026-01-22	English
424B3 Share Issue/Capital Change	2026-01-22	English
6-K Share Issue/Capital Change	2026-01-22	English
424B3 Regulatory Filings	2026-01-20	English
424B3 M&A Activity	2026-01-20	English
424B3 Regulatory Filings	2026-01-20	English
424B3 Regulatory Filings	2026-01-20	English
6-K Regulatory Filings	2026-01-20	English
Major Shareholding Notification 2026 Major Shareholding Notification	2026-01-14	English
Major Shareholding Notification 2026 Major Shareholding Notification	2026-01-13	English
Major Shareholding Notification 2026 Major Shareholding Notification	2026-01-08	English