SBLK insider trading — Star Bulk Carriers Corp.
Over the last 90 days, insiders at Star Bulk Carriers Corp. (SBLK) made 10 open-market purchases worth $6.92M and 8 open-market sales worth $4.58M, making them net buyers by $2.34M. The largest purchase was by Pappa Milena Maria (Director), who bought 74,400 shares for $2.10M on Sep 15, 2026. The largest sale was by Zagari Raffaele (Director), who sold 50,000 shares for $1.56M on Aug 25, 2026. 8 different insiders bought shares in this period — a cluster buy, which many investors watch closely.
Updated Oct 16, 2026.
Recent SBLK insider transactions
Every Form 4 filed by Star Bulk Carriers Corp. officers, directors and 10% owners in the last 90 days, newest first. P = open-market purchase, S = open-market sale; other codes are awards, option exercises, tax withholding or gifts.
| Trade date | Insider | Role | Type | Ownership | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|---|
| Oct 13, 2026 | Zagari Raffaele | Director | S · Sale | Direct | 7,580 | $30.00 | $227K | Form 4 |
| Oct 13, 2026 | Zagari Raffaele | Director | P · Purchase | Indirect | 0 | — | — | Form 4 |
| Oct 5, 2026 | Erhardt Koert | Director | S · Sale | Direct | 6,000 | $30.39 | $182K | Form 4 |
| Sep 18, 2026 | Balakrishnan Mahesh | Director | S · Sale | Direct | 10,000 | $32.34 | $323K | Form 4 |
| Sep 21, 2026 | Vrettou Eleni | Director | S · Sale | Direct | 3,500 | $32.12 | $112K | Form 4 |
| Sep 15, 2026 | Zagari Raffaele | Director | P · Purchase | Direct | 10,000 | $28.27 | $283K | Form 4 |
| Sep 15, 2026 | Zagari Raffaele | Director | P · Purchase | Indirect | 50,000 | $28.27 | $1.41M | Form 4 |
| Sep 15, 2026 | Plakantonaki Charis | Chief Strategy Officer | P · Purchase | Direct | 3,000 | $28.27 | $85K | Form 4 |
| Sep 15, 2026 | Pappa Milena Maria | Director | P · Purchase | Indirect | 74,400 | $28.27 | $2.10M | Form 4 |
| Sep 15, 2026 | Pappas Alexandros | - | P · Purchase | Indirect | 74,400 | $28.27 | $2.10M | Form 4 |
| Sep 15, 2026 | Reskos Nikolaos | Chief Operating Officer | P · Purchase | Direct | 10,000 | $28.27 | $283K | Form 4 |
| Sep 15, 2026 | Spyrou Symeon | co CFO | P · Purchase | Direct | 15,000 | $28.27 | $424K | Form 4 |
| Sep 15, 2026 | Karellis Nikolaos | Director | P · Purchase | Direct | 2,000 | $28.27 | $57K | Form 4 |
| Sep 15, 2026 | Erhardt Koert | Director | P · Purchase | Direct | 6,000 | $28.27 | $170K | Form 4 |
| Aug 25, 2026 | Zagari Raffaele | Director | S · Sale | Indirect | 50,000 | $31.20 | $1.56M | Form 4 |
| Aug 24, 2026 | Zagari Raffaele | Director | S · Sale | Indirect | 50,000 | $30.70 | $1.53M | Form 4 |
| Aug 17, 2026 | Plakantonaki Charis | Chief Strategy Officer | S · Sale | Direct | 10,825 | $29.82 | $323K | Form 4 |
| Aug 14, 2026 | Plakantonaki Charis | Chief Strategy Officer | S · Sale | Direct | 10,825 | $28.95 | $313K | Form 4 |
| Aug 6, 2026 | Capralos Spyridon | Director | G · Gift | Direct | 118,720 | — | — | Form 4 |
| Aug 6, 2026 | Reskos Nikolaos | Chief Operating Officer | S · Sale · 10b5-1 | Direct | 5,000 | $29.50 | $148K | Form 4 |
| Jul 30, 2026 | Reskos Nikolaos | Chief Operating Officer | S · Sale · 10b5-1 | Direct | 5,000 | $28.99 | $145K | Form 4 |
SBLK insider trading FAQ
Are insiders buying SBLK stock?
Yes. In the last 90 days, Star Bulk Carriers Corp. insiders made 10 open-market purchases totaling $6.92M, and 8 open-market sales totaling $4.58M. Purchases with the insider's own money are generally seen as a stronger signal than sales, which happen for many reasons (taxes, diversification, planned 10b5-1 sales).
Who are the insiders trading SBLK?
Recent buyers: Erhardt Koert, Karellis Nikolaos, Pappa Milena Maria, Pappas Alexandros, Plakantonaki Charis, Reskos Nikolaos. Recent sellers: Balakrishnan Mahesh, Erhardt Koert, Plakantonaki Charis, Vrettou Eleni, Zagari Raffaele.
Where does SBLK insider trading data come from?
Every transaction comes from SEC Form 4 filings on EDGAR. Company officers, directors and 10% owners must file a Form 4 within two business days of buying or selling. InsiderBolt reads these filings directly from the SEC.
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Insider trading data is for informational purposes only and is not investment advice. Filings can be amended; always confirm details on SEC EDGAR.