Star Bulk Carriers Corp. Insider Trading Activity
Every SEC Form 4 insider transaction reported for Star Bulk Carriers Corp. (SBLK), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are SBLK insiders buying or selling?
In the last 12 months, Star Bulk Carriers Corp. insiders reported 13 open-market purchases ($9.3M) and 15 sales ($6.6M) — net buying of $2.7M. Since April 2026, Trabud has recorded 28 Form 4 filings for SBLK: 13 buys ($9.3M) and 15 sells ($6.6M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $2.1M by Milena Maria Pappa (Director) on Sep 17, 2026. SEC ↗
- 9 different insiders made open-market purchases of SBLK in the last 90 days, totaling $8.7M.
- The most recent open-market purchase was reported on Oct 14, 2026 (5 days ago).
Key Statistics (April 2026 – Oct 14, 2026)
Total Form 4 filings
28
SEC EDGAR
Insider filers
11
Insider buys (13)
$9.3M
Insider sells (15)
$6.6M
Insider sentiment
Net buyingNet insider flow of $2.7M in net buying since April 2026, and $2.7M in net buying over the last 12 months. 11 insider buys in the last 90 days.
Recent SBLK insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Oct 14, 2026 | Raffaele Zagari | Director | Sale | 7.6K | $30.00 | $227.4K | SEC ↗ |
| Oct 14, 2026 | Raffaele Zagari | Director | Purchase | 7.6K | $30.00 | $227.4K | SEC ↗ |
| Oct 7, 2026 | Koert Erhardt | Director | Sale | 6.0K | $30.39 | $182.3K | SEC ↗ |
| Sep 22, 2026 | Mahesh Balakrishnan | Director | Sale | 10.0K | $32.34 | $323.4K | SEC ↗ |
| Sep 22, 2026 | Eleni Vrettou | Director | Sale | 3.5K | $32.12 | $112.4K | SEC ↗ |
| Sep 17, 2026 | Raffaele Zagari | Director | Purchase | 60.0K | $28.27 | $1.7M | SEC ↗ |
| Sep 17, 2026 | Charis Plakantonaki | Chief Strategy Officer | Purchase | 3.0K | $28.27 | $84.8K | SEC ↗ |
| Sep 17, 2026 | Milena Maria Pappa | Director | Purchase | 74.4K | $28.27 | $2.1M | SEC ↗ |
| Sep 17, 2026 | Alexandros Pappas | Other | Purchase | 74.4K | $28.27 | $2.1M | SEC ↗ |
| Sep 17, 2026 | Nikolaos Reskos | Chief Operating Officer | Purchase | 10.0K | $28.27 | $282.7K | SEC ↗ |
| Sep 16, 2026 | Symeon Spyrou | co CFO | Purchase | 15.0K | $28.27 | $424.1K | SEC ↗ |
| Sep 16, 2026 | Nikolaos Karellis | Director | Purchase | 2.0K | $28.27 | $56.5K | SEC ↗ |
| Sep 16, 2026 | Koert Erhardt | Director | Purchase | 6.0K | $28.27 | $169.6K | SEC ↗ |
| Aug 26, 2026 | Raffaele Zagari | Director | Sale | 50.0K | $31.20 | $1.6M | SEC ↗ |
| Aug 25, 2026 | Raffaele Zagari | Director | Purchase | 50.0K | $30.70 | $1.5M | SEC ↗ |
| Aug 19, 2026 | Charis Plakantonaki | Chief Strategy Officer | Sale | 10.8K | $29.82 | $322.8K | SEC ↗ |
| Aug 18, 2026 | Charis Plakantonaki | Chief Strategy Officer | Sale | 10.8K | $28.95 | $313.4K | SEC ↗ |
| Aug 7, 2026 | Nikolaos Reskos | Chief Operating Officer | Sale | 5.0K | $29.50 | $147.5K | SEC ↗ |
| Aug 3, 2026 | Arne Blystad | Director | Purchase | 7.6K | $0.00 | $0 | SEC ↗ |
| Aug 3, 2026 | Nikolaos Reskos | Chief Operating Officer | Sale | 5.0K | $28.99 | $144.9K | SEC ↗ |
| Jun 12, 2026 | Nikolaos Karellis | Director | Sale | 20.0K | $26.96 | $539.2K | SEC ↗ |
| Jun 3, 2026 | Nikolaos Reskos | Chief Operating Officer | Sale | 5.0K | $28.49 | $142.4K | SEC ↗ |
| May 22, 2026 | Nikolaos Reskos | Chief Operating Officer | Sale | 39.9K | $27.11 | $1.1M | SEC ↗ |
| May 20, 2026 | Nikolaos Reskos | Chief Operating Officer | Sale | 33.2K | $26.28 | $872.2K | SEC ↗ |
| Apr 16, 2026 | Charis Plakantonaki | Chief Strategy Officer | Sale | 16.5K | $24.56 | $405.2K | SEC ↗ |
Showing the 25 most recent of 28 Form 4 filings for Star Bulk Carriers Corp..
Most active SBLK insiders
- Nikolaos Reskos7 filings
- Raffaele Zagari6 filings
- Charis Plakantonaki5 filings
- Koert Erhardt2 filings
- Nikolaos Karellis2 filings
Ask anything about SBLK insider activity
Use Trabud's AI agent to query Star Bulk Carriers Corp.'s Form 4 history in plain English — "Show me SBLK CEO purchases this year" or compare it against any other ticker.
Open the AI agentSBLK insider trading FAQ
Are Star Bulk Carriers Corp. insiders buying or selling?
In the last 12 months, Star Bulk Carriers Corp. insiders reported 13 open-market purchases ($9.3M) and 15 sales ($6.6M) — net buying of $2.7M. Since April 2026, Trabud has recorded 28 Form 4 filings for SBLK: 13 buys ($9.3M) and 15 sells ($6.6M). Over the full record that is net buying of $2.7M.
How many insiders trade SBLK stock?
11 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for Star Bulk Carriers Corp.. The most recent filing was accepted on Oct 14, 2026.
Where does Trabud get SBLK insider trading data?
All SBLK insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.