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C3is Inc. — F-1/A Filings

5 F-1/A filings on record

This page lists all F-1/A filings submitted to the SEC by C3is Inc. (CISS), sorted by most recent first. Each row links to the full filing on EdgarLookup. C3is Inc. has filed 5 F-1/A documents with the SEC since 2022. To view all SEC filings by C3is Inc., see the full filings list.

Overview All Filings Financials Insiders
All 20-F 3 424B1 424B3 424B4 424B5 6-K 8-A12B CERT CORRESP DRS DRS/A DRSLTR EFFECT F-1 F-1/A F-1MEF F-3 POS AM S-8 SC 13D SC 13D/A SC 13G SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
F-1/A F-1/A 0001193125-25-309759 Dec 5, 2025 —
F-1/A F-1/A 0001193125-25-262583 Nov 3, 2025 —
F-1/A F-1/A 0001193125-24-044556 Feb 23, 2024 —
F-1/A F-1/A 0001193125-23-161364 Jun 6, 2023 —
F-1/A F-1/A 0001193125-23-146994 May 17, 2023 —