SBLK
Star Bulk Carriers Corp.
NASDAQ · Industrials · Marine Shipping · GR
$32.36
+1.53%1
Insider buys (3m)
7
Insider sells (3m)
-$4.6M
Net value (3m)
+18.7%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Aug 26, 2026 | Zagari Raffaele · director | Sale | 50,000 | $31 |
| Aug 25, 2026 | Zagari Raffaele · director | Sale | 50,000 | $31 |
| Aug 19, 2026 | Plakantonaki Charis · officer: Chief Strategy Officer | Sale | 10,825 | $30 |
| Aug 18, 2026 | Plakantonaki Charis · officer: Chief Strategy Officer | Sale | 10,825 | $29 |
| Aug 7, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Sale | 5,000 | $30 |
| Aug 3, 2026 | Blystad Arne · director | Purchase | 7,580 | $0.00 |
| Aug 3, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Sale | 5,000 | $29 |
| Jun 17, 2026 | Plakantonaki Charis · officer: Chief Strategy Officer | A-Award | 17,200 | $0.00 |
| Jun 16, 2026 | Pappa Milena Maria · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Norton Hamish · officer: President | A-Award | 35,800 | $0.00 |
| Jun 16, 2026 | Erhardt Koert · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Capralos Spyridon · director | A-Award | 19,500 | $0.00 |
| Jun 16, 2026 | Begleris Christos · officer: co CFO | A-Award | 26,200 | $0.00 |
| Jun 16, 2026 | Weum Mikkel Storm · director | A-Award | 1,760 | $0.00 |
| Jun 16, 2026 | Zagari Raffaele · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Karellis Nikolaos · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | A-Award | 48,100 | $0.00 |
| Jun 16, 2026 | Balakrishnan Mahesh · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Vrettou Eleni · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Weston Gary · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Blystad Arne · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Spyrou Symeon · officer: co CFO | A-Award | 26,200 | $0.00 |
| Jun 12, 2026 | Karellis Nikolaos · director | Sale | 20,000 | $27 |
| Jun 3, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Sale | 5,000 | $28 |
| May 22, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Sale | 30,000 | $27 |
| May 22, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Sale | 9,914 | $27 |
| May 20, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Sale | 86 | $26 |
| May 20, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Sale | 33,103 | $26 |
| Apr 16, 2026 | Plakantonaki Charis · officer: Chief Strategy Officer | Sale | 16,500 | $25 |
| Apr 16, 2026 | Reskos Nikolaos · officer: COO | Sale | 8,406 | $25 |
Institutional positioning
13F filings over the trailing two quarters
New 87Increased 119Reduced 126Sold out 21
| Filer | Action | Shares | Filed |
|---|---|---|---|
| TWO SIGMA INVESTMENTS, LP | Increased | 3,554,620 | Aug 14, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 3,012,963 | May 15, 2026 |
| BlackRock, Inc. | Increased | 2,817,294 | Aug 7, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 2,377,894 | Aug 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 2,099,637 | Aug 13, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 2,067,637 | May 14, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | Increased | 2,027,422 | Aug 7, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 2,014,371 | Aug 14, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | New Position | 1,920,289 | May 15, 2026 |
| PHILOSOPHY CAPITAL MANAGEMENT LLC | Increased | 1,874,418 | May 15, 2026 |
| Philosophy Capital Management LLC | Reduced | 1,752,666 | Aug 14, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 1,737,933 | May 15, 2026 |
| JANE STREET GROUP, LLC | Increased | 1,715,432 | Aug 14, 2026 |
| BOSTON PARTNERS | Increased | 1,626,444 | May 11, 2026 |
| JANE STREET GROUP, LLC | Increased | 1,611,789 | May 12, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Aug 26, 2026