C3is Inc. — SCHEDULE 13G Filings
7 SCHEDULE 13G filings on record
This page lists all SCHEDULE 13G 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 7 SCHEDULE 13G documents with the SEC since 2022. To view all SEC filings by C3is Inc., see the full filings list.
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 |
|---|---|---|---|---|
| SCHEDULE 13G | — | 0001896206-26-000004 | Feb 27, 2026 | — |
| SCHEDULE 13G | — | 0001493152-26-006140 | Feb 11, 2026 | — |
| SCHEDULE 13G | — | 0001909404-26-000002 | Jan 8, 2026 | — |
| SCHEDULE 13G | — | 0001079973-25-001874 | Dec 18, 2025 | — |
| SCHEDULE 13G | — | 0001079973-25-001866 | Dec 17, 2025 | — |
| SCHEDULE 13G | — | 0000898432-25-000848 | Oct 28, 2025 | — |
| SCHEDULE 13G | — | 0001048462-25-000022 | Sep 24, 2025 | — |