Star Bulk Carriers Corp. (SBLK) Insider Trading
Over the last 3 months, SBLK insiders made 0 open-market buys and 8 sales, a net sale of -$2.8M (SEC Form 4). Over the last 6 months, 114 institutions increased and 104 reduced their position (13F).
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
8
Net (3m)
-$2.8M
Insider trades by month Buys Sells
Feb
Apr
Apr
May
Jun
Context3-month price +6%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jun 3, 2026 | Reskos Nikolaosofficer: Chief Operating Officer | Sell | 5,000 | $28.49 |
| May 22, 2026 | Reskos Nikolaosofficer: Chief Operating Officer | Sell | 30,000 | $27.29 |
| May 22, 2026 | Reskos Nikolaosofficer: Chief Operating Officer | Sell | 9,914 | $26.55 |
| May 20, 2026 | Reskos Nikolaosofficer: Chief Operating Officer | Sell | 86 | $26.49 |
| May 20, 2026 | Reskos Nikolaosofficer: Chief Operating Officer | Sell | 33,103 | $26.28 |
| Apr 16, 2026 | Reskos Nikolaosofficer: COO | Sell | 8,406 | $25.05 |
| Apr 16, 2026 | Reskos Nikolaosofficer: COO | Sell | 1,594 | $25.00 |
| Apr 16, 2026 | Plakantonaki Charisofficer: Chief Strategy Officer | Sell | 16,500 | $24.56 |
| Apr 21, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 15,000 | $12.50 |
| Apr 21, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 20,000 | $12.59 |
| Apr 21, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 60,000 | $8.00 |
| Apr 21, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 50,000 | $8.00 |
| Apr 21, 2008 | C4S & CO LLC10 percent owner | Sell | 15,000 | $12.50 |
| Apr 21, 2008 | C4S & CO LLC10 percent owner | Sell | 20,000 | $12.59 |
| Apr 21, 2008 | C4S & CO LLC10 percent owner | Sell | 60,000 | $8.00 |
| Apr 21, 2008 | C4S & CO LLC10 percent owner | Sell | 50,000 | $8.00 |
| Apr 16, 2008 | C4S & CO LLC10 percent owner | Sell | 5,000 | $12.29 |
| Apr 16, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 5,000 | $12.29 |
| Feb 19, 2008 | C4S & CO LLC10 percent owner | Sell | 25,000 | $12.24 |
| Feb 19, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 25,000 | $12.24 |
| Feb 13, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 20,000 | $11.20 |
| Feb 6, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 5,000 | $9.66 |
| Feb 6, 2008 | RAMIUS CAPITAL GROUP LLC10 percent owner | Sell | 10,000 | $11.42 |
| Jun 1, 2004 | BENACERRAF ARI Jdirector | Grant | 4,000 | $8.87 |
| May 20, 2003 | BENACERRAF ARI Jdirector | Grant | 10,000 | $8.61 |
| May 20, 2003 | HUSEMAN KENNETH Vdirector | Grant | 10,000 | $8.61 |
Source: SBLK SEC Form 4 filings, latest Jun 3, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their SBLK positions over the last 6 months (SEC Form 13F).
Increased
114
New positions
83
Reduced
104
Sold out
57
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| ALLIANCEBERNSTEIN L.P. | Increased | 5.8M | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 3.0M | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | Reduced | 2.1M | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Increased | 2.1M | May 14, 2026 |
| OAKTREE CAPITAL MANAGEMENT LP | Unchanged | 2.0M | Feb 17, 2026 |
| VICTORY CAPITAL MANAGEMENT INC | New Position | 1.9M | May 15, 2026 |
| PHILOSOPHY CAPITAL MANAGEMENT LLC | Increased | 1.9M | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 1.8M | Feb 12, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 1.7M | May 15, 2026 |
| PHILOSOPHY CAPITAL MANAGEMENT LLC | Increased | 1.6M | Feb 17, 2026 |
| BOSTON PARTNERS | Increased | 1.6M | May 11, 2026 |
| MORGAN STANLEY | Increased | 1.5M | May 15, 2026 |
| MARSHALL WACE, LLP | Increased | 1.2M | May 15, 2026 |
| D. E. SHAW & CO., INC. | Increased | 1.2M | May 15, 2026 |
| COLONY GROUP, LLC | Increased | 1.1M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.