Quick Takeaways
- Imperial Petroleum Inc./Marshall Islands filed SCHEDULE 13D/A for C3is Inc. Common Stock, par value $0.01 per share (CISS).
- Disclosed ownership: 87%.
- Date of event: 11 Apr 2025.
Imperial Petroleum Inc./Marshall Islands - 11 Apr 2025 SCHEDULE 13D/A Report for C3is Inc. Common Stock, par value $0.01 per share (CISS)
- Filing Manager
- Imperial Petroleum Inc./Marshall Islands
- Reporting Manager
- Imperial Petroleum Inc.
- Symbol
- CISS
- Shares outstanding
- 5,686,257 shares
- Disclosed Ownership
- 4,935,671 shares
- Ownership
- 87%
- Form type
- SCHEDULE 13D/A
- Filing time
- 15 Apr 2025, 20:00:04 UTC
- Date of event
- 11 Apr 2025
- Next filing
- 10 Oct 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Imperial Petroleum Inc./Marshall Islands disclosed 87% ownership in C3is Inc. Common Stock, par value $0.01 per share (CISS) on 11 Apr 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 15 Apr 2025, 20:00.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Imperial Petroleum Inc. | 87% | 4,935,671 | 4,935,671 | 0 | Harry N. Vafias | Chief Executive Officer | 0001876581 |