C3is Inc. - CISS
Ownership (Schedule 13D / 13G) · latest 50 filings
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| Filed | Form | Reporting person | Percent | Shares | SEC |
|---|---|---|---|---|---|
| Feb 27, 2026 | SCHEDULE 13G | Alta Partners LLC | 5.2% | 56,176 | View |
| Feb 11, 2026 | SCHEDULE 13G | Ayrton Capital LLC | 9.99% | 856,228 | View |
| Feb 11, 2026 | SCHEDULE 13G | Alto Opportunity Master Fund, SPC - Segregated Master Portfolio B | 9.99% | 856,228 | View |
| Feb 11, 2026 | SCHEDULE 13G | Waqas Khatri | 9.99% | 856,228 | View |
| Feb 04, 2026 | SCHEDULE 13D/A | — | 5.0% | — | View |
| Jan 14, 2026 | SCHEDULE 13G/A | Evergreen Capital Management LLC | 9.99% | 443,213 | View |
| Jan 13, 2026 | SCHEDULE 13G/A | Athanasios Tsiakmakis | 5.02% | 400,000 | View |
| Jan 08, 2026 | SCHEDULE 13G | Evergreen Capital Management LLC/NV | 10.0% | 443,213 | View |
| Dec 30, 2025 | SCHEDULE 13D/A | — | 5.0% | — | View |
| Dec 18, 2025 | SCHEDULE 13G | S.H.N. Financial Investments Ltd. | 9.99% | 443,213 | View |
| Dec 17, 2025 | SCHEDULE 13G | L1 Capital Global Opportunities Master Fund, Ltd. | 9.99% | 443,213 | View |
| Dec 15, 2025 | SCHEDULE 13D/A | — | 5.0% | — | View |
| Nov 14, 2025 | SCHEDULE 13G/A | S.H.N. Financial Investments Ltd. | 2.7% | 74,175 | View |
| Oct 28, 2025 | SCHEDULE 13G | Athanasios Tsiakmakis | 14.36% | 155,000 | View |
| Oct 10, 2025 | SCHEDULE 13D/A | — | 5.0% | — | View |
| Oct 10, 2025 | SCHEDULE 13D/A | — | 5.0% | — | View |
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G.
Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F).
Amendments (/A) can repeat the same holder over time, so rows should not be summed.
Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.