Updated Jul 16, 2026 · Last SEC filing 2026-06-17
Star Bulk Carriers Corp. (SBLK) has filed 19 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-06-17. 5 Form 144 notices of proposed sale were filed for SBLK stock. InsiderAlpha tracks every SBLK SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001386716 |
|---|
| Form 4 filings (90d) | 19 |
|---|---|
| Form 144 notices (90d) | 5 |
| Latest Form 4 filing | 2026-06-17 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Plakantonaki Charis | Chief Strategy Officer | A — Grant or award | 17.2K | $0.00 | — | SEC | |
| Zagari Raffaele | Director | A — Grant or award | 7.6K | $0.00 | — | SEC | |
| Karellis Nikolaos | Director | A — Grant or award | 7.6K | $0.00 | — | SEC | |
| Reskos Nikolaos | Chief Operating Officer | A — Grant or award | 48.1K | $0.00 | — | SEC | |
| Balakrishnan Mahesh | Director | A — Grant or award | 7.6K | $0.00 | — | SEC | |
| Vrettou Eleni | Director | A — Grant or award | 7.6K | $0.00 | — | SEC | |
| Weston Gary | Director | A — Grant or award | 7.6K | $0.00 | — | SEC | |
| Spyrou Symeon | co CFO | A — Grant or award | 26.2K | $0.00 | — | SEC | |
| Blystad Arne | Director | A — Grant or award | 7.6K | $0.00 | — | SEC | |
| Begleris Christos | co CFO | A — Grant or award | 26.2K | $0.00 | — | SEC | |
| Weum Mikkel Storm | Director | A — Grant or award | 1.8K | $0.00 | — | SEC | |
| Norton Hamish | President | A — Grant or award | 35.8K | $0.00 | — | SEC | |
| Erhardt Koert | Director | A — Grant or award | 7.6K | $0.00 | — | SEC | |
| Capralos Spyridon | Director | A — Grant or award | 19.5K | $0.00 | — | SEC | |
| Pappa Milena Maria | Director | A — Grant or award | 7.6K | $0.00 | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Star Bulk Carriers Corp. (SBLK). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Reskos Nikolaos | 6 | $2.10M |
| Karellis Nikolaos | 2 | $539K |
| Plakantonaki Charis | 1 | — |
| Norton Hamish | 1 | — |
| Zagari Raffaele | 1 | — |
Form 144 must be filed before insiders sell restricted or control stock above SEC thresholds. A cluster of Form 144 notices often precedes a wave of insider distribution.
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in SBLK insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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