SBLK
Star Bulk Carriers Corp.
NASDAQ · Industrials · Marine Shipping · GR
$28.08
+1.04%11
Insider buys (3m)
10
Insider sells (3m)
$2.1M
Net value (3m)
+7.4%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 14, 2026 | Zagari Raffaele · director | Purchase | 0 | $0.00 |
| Oct 14, 2026 | Zagari Raffaele · director | Sale | 7,580 | $30 |
| Oct 7, 2026 | Erhardt Koert · director | Sale | 6,000 | $30 |
| Sep 22, 2026 | Balakrishnan Mahesh · director | Sale | 10,000 | $32 |
| Sep 22, 2026 | Vrettou Eleni · director | Sale | 3,500 | $32 |
| Sep 17, 2026 | Zagari Raffaele · director | Purchase | 10,000 | $28 |
| Sep 17, 2026 | Pappa Milena Maria · director | Purchase | 74,400 | $28 |
| Sep 17, 2026 | Plakantonaki Charis · officer: Chief Strategy Officer | Purchase | 3,000 | $28 |
| Sep 17, 2026 | Zagari Raffaele · director | Purchase | 50,000 | $28 |
| Sep 17, 2026 | Reskos Nikolaos · officer: Chief Operating Officer | Purchase | 10,000 | $28 |
| Sep 17, 2026 | Pappas Alexandros · other: Head of Operations | Purchase | 74,400 | $28 |
| Sep 16, 2026 | Erhardt Koert · director | Purchase | 6,000 | $28 |
| Sep 16, 2026 | Karellis Nikolaos · director | Purchase | 2,000 | $28 |
| Sep 16, 2026 | Spyrou Symeon · officer: co CFO | Purchase | 15,000 | $28 |
| 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 | Capralos Spyridon · director | A-Award | 19,500 | $0.00 |
| Jun 16, 2026 | Weum Mikkel Storm · director | A-Award | 1,760 | $0.00 |
| Jun 16, 2026 | Begleris Christos · officer: co CFO | A-Award | 26,200 | $0.00 |
| Jun 16, 2026 | Spyrou Symeon · officer: co CFO | A-Award | 26,200 | $0.00 |
| Jun 16, 2026 | Blystad Arne · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Weston Gary · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Vrettou Eleni · director | A-Award | 7,580 | $0.00 |
| Jun 16, 2026 | Balakrishnan Mahesh · director | A-Award | 7,580 | $0.00 |
Institutional positioning
13F filings over the trailing two quarters
New 81Increased 115Reduced 121Sold out 38
| 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 Oct 14, 2026