🕵️ Costamare Bulkers Holdings Ltd ($CMDB)
SEC insider & ownership activity, last 12 months · CIK 2033535 · every row links its SEC filing
Over the last 12 months insiders bought $982 with no open-market selling against it. Eleftheriou Katerina bought $982 in discretionary trades (Mar). Konstantakopoulos Konstantinos added 29.7% → 30.9%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $982 (1 lots) · 0 sellers, $0 (0 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Eleftheriou Katerina | 1 | $982 | 0 | – | Mar 27, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Konstantakopoulos Konstantinos | 30.9% | 13D | Oct 16, 2025 | filing ↗ | |
| Achillefs Konstantakopoulos | 20.5% | 13D | Jul 17, 2026 | filing ↗ | |
| Konstantakopoulos Achillefs | 19.7% | 13G | Jul 6, 2026 | filing ↗ | |
| Konstantakopoulos, Achillefs | 18.7% | 13G | May 6, 2025 | filing ↗ | |
| Konstantakopoulos, Christos | 15.7% | 13G | May 6, 2025 | filing ↗ | |
| Kent Maritime Investments S.a. | 12.4% | 13D | Oct 16, 2025 | filing ↗ | |
| Kent Maritime Investments S.a. | 12.3% | 13D | Aug 26, 2025 | filing ↗ | |
| Dimensional Fund Advisors LP | 6.1% | 13G | Jul 15, 2025 | filing ↗ | |
| Costamare Shipping Services Ltd. | exited | 13D | Jul 17, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Dilofo Holdings Limited | $289K | Feb 25, 2026 | filing ↗ |
Material events (8-K)
No 8-K filings in the last 12 months.