C3is Inc. — EFFECT Filings
19 EFFECT filings on record
This page lists all EFFECT 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 19 EFFECT 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 |
|---|---|---|---|---|
| EFFECT | — | 9999999995-25-003823 | Dec 18, 2025 | — |
| EFFECT | — | 9999999995-25-003822 | Dec 18, 2025 | — |
| EFFECT | — | 9999999995-25-003820 | Dec 18, 2025 | — |
| EFFECT | — | 9999999995-25-003623 | Dec 10, 2025 | — |
| EFFECT | — | 9999999995-25-003342 | Nov 21, 2025 | — |
| EFFECT | — | 9999999995-25-001412 | May 5, 2025 | — |
| EFFECT | — | 9999999995-25-001411 | May 5, 2025 | — |
| EFFECT | — | 9999999995-25-001407 | May 5, 2025 | — |
| EFFECT | — | 9999999995-25-000597 | Mar 6, 2025 | — |
| EFFECT | — | 9999999995-24-003773 | Dec 13, 2024 | — |
| EFFECT | — | 9999999995-24-003774 | Dec 13, 2024 | — |
| EFFECT | — | 9999999995-24-003770 | Dec 13, 2024 | — |
| EFFECT | — | 9999999995-24-001413 | May 8, 2024 | — |
| EFFECT | — | 9999999995-24-001416 | May 8, 2024 | — |
| EFFECT | — | 9999999995-24-001417 | May 8, 2024 | — |
| EFFECT | — | 9999999995-24-000665 | Mar 14, 2024 | — |
| EFFECT | — | 9999999995-24-000150 | Jan 18, 2024 | — |
| EFFECT | — | 9999999995-23-001963 | Jun 30, 2023 | — |
| EFFECT | — | 9999999995-23-001722 | Jun 12, 2023 | — |