SCHEDULE 13G/A: C3is Inc. Insider Discloses 5.02% Stake
Beneficial Ownership Report
Athanasios Tsiakmakis reports beneficial ownership of 5.02% of C3is Inc.'s common stock in an amended Schedule 13G filing.
Summary
- Athanasios Tsiakmakis has reported beneficial ownership of 400,000 shares of C3is Inc. common stock.
- This ownership represents 5.02% of the company's outstanding common stock.
- The percentage is calculated based on 7,968,378 shares of Common Stock issued and outstanding as of December 12, 2025.
- Athanasios Tsiakmakis holds sole voting power and sole dispositive power over all 400,000 shares.
Sentiment
Score: 5
Explanation: Neutral. A Schedule 13G filing is a routine disclosure of beneficial ownership and does not inherently convey positive or negative sentiment regarding the company's performance or outlook. It simply reports a significant stake.
Future Outlook
NA
Industry Context
This filing is a routine disclosure of beneficial ownership and does not provide specific industry context or analysis.
Stakeholder Impact
- Shareholders: Disclosure of a significant individual shareholder holding 5.02% of the common stock, providing transparency on the ownership structure.
Key Dates
| Date | Description |
|---|---|
| December 12, 2025 | Date used for calculating the number of outstanding shares (7,968,378 shares) of C3is Inc. Common Stock. |
| January 9, 2026 | Date of the event that required the filing of this Schedule 13G statement. |
| January 13, 2026 | Date the Schedule 13G statement was signed by Athanasios Tsiakmakis. |
Keywords
C3is Inc., Athanasios Tsiakmakis, Schedule 13G, Beneficial Ownership, Common Stock, Shareholder, SEC Filing
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