Insider Ledger
SBLK insider buying and SEC filings, explained
Star Bulk Carriers Corp. · CIK 1386716
Tracked: Forms 3/4/5, 8-K, NT · Limited coverage: files 6-K/20-F, not covered in v1 · All filings on sec.gov
Company profile
- Exchanges
- Nasdaq
- Industry (SIC)
- Deep Sea Foreign Transportation of Freight
- State of incorporation
- 1T
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$5.5M
Insiders who bought
8
Sold (not marked 10b5-1)
$4.0M
Planned sales (10b5-1)
$2.4M
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Oct 13, 2026 | Sale Amended filing | Raffaele Zagari (Director) sold 7,580 shares at $30.00 ($227K). Holdings down 20% to 30,000 shares. Not marked as a 10b5-1 plan trade. This amends an earlier filing that is not in our records. | SEC filing Filed Oct 14, 2026, 12:20 PM ET |
| Oct 13, 2026 | Other purchase Amended filing | Raffaele Zagari (Director) bought 0 shares indirectly; the filing does not report a price. Indirect holdings up <1% to 1,953,000 shares. Not marked as a 10b5-1 plan trade. This amends an earlier filing that is not in our records. | SEC filing Filed Oct 14, 2026, 12:20 PM ET |
| Oct 13, 2026 | Other purchase | Raffaele Zagari (Director) bought 0 shares indirectly; the filing does not report a price. Indirect holdings up <1% to 1,953,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 14, 2026, 11:22 AM ET |
| Oct 5, 2026 | Sale | Koert Erhardt (Director) sold 6,000 shares at $30.39 ($182K). Holdings down 37% to 10,080 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Oct 7, 2026, 10:08 AM ET |
| Sep 21, 2026 | Sale | Eleni Vrettou (Director) sold 3,500 shares at $32.12 ($112K). Holdings down 5% to 73,686 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 22, 2026 |
| Sep 18, 2026 | Sale | Mahesh Balakrishnan (Director) sold 10,000 shares at $32.34 ($323K). Holdings down 26% to 29,080 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 22, 2026 |
| Sep 15, 2026 | Purchase (code P) | Milena Maria Pappa (Director) bought 74,400 shares indirectly at $28.27 ($2.1M), reported as a purchase (code P). Indirect holdings up 2% to 3,167,074 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Sep 15, 2026 | Purchase (code P) | Alexandros Pappas (Head of Operations) bought 74,400 shares indirectly at $28.27 ($2.1M), reported as a purchase (code P). Indirect holdings up 3% to 2,532,150 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Sep 15, 2026 | Other purchase | Raffaele Zagari (Director) bought 50,000 Common shares, par value $0.01 per share indirectly at $28.27 ($1.4M) in a public offering. Indirect holdings up 3% to 1,953,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Sep 15, 2026 | Purchase (code P) | Raffaele Zagari (Director) bought 10,000 shares at $28.27 ($283K), reported as a purchase (code P). Holdings up 36% to 37,580 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Sep 15, 2026 | Purchase (code P) | Charis Plakantonaki (Chief Strategy Officer) bought 3,000 shares at $28.27 ($85K), reported as a purchase (code P). Holdings up 5% to 58,778 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Sep 15, 2026 | Purchase (code P) | Nikolaos Reskos (President / COO) bought 10,000 shares at $28.27 ($283K), reported as a purchase (code P). Holdings up 2% to 410,875 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 17, 2026 |
| Sep 15, 2026 | Purchase (code P) | Nikolaos Karellis (Director) bought 2,000 shares at $28.27 ($57K), reported as a purchase (code P). Holdings up 26% to 9,580 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 16, 2026 |
| Sep 15, 2026 | Purchase (code P) | Symeon Spyrou (CFO) bought 15,000 shares at $28.27 ($424K), reported as a purchase (code P). Holdings up 7% to 241,200 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 16, 2026 |
| Sep 15, 2026 | Purchase (code P) | Koert Erhardt (Director) bought 6,000 shares at $28.27 ($170K), reported as a purchase (code P). Holdings up 60% to 16,080 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Sep 16, 2026 |
| Aug 25, 2026 | Sale | Raffaele Zagari (Director) sold 50,000 shares indirectly at $31.20 ($1.6M). Indirect holdings down 3% to 1,903,000 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 26, 2026 |
| Aug 17, 2026 | Sale | Charis Plakantonaki (Chief Strategy Officer) sold 10,825 shares at $29.82 ($323K). Holdings down 16% to 55,778 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 19, 2026 |
| Aug 14, 2026 | Sale | Charis Plakantonaki (Chief Strategy Officer) sold 10,825 shares at $28.95 ($313K). Holdings down 14% to 66,603 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Aug 18, 2026 |
| Aug 6, 2026 | Planned (10b5-1) | Nikolaos Reskos (President / COO) sold 5,000 shares at $29.50 ($148K), marked as a 10b5-1 plan trade. Holdings down 1% to 400,875 shares. | SEC filing Filed Aug 7, 2026 |
| Jul 30, 2026 | Planned (10b5-1) | Nikolaos Reskos (President / COO) sold 5,000 shares at $28.99 ($145K), marked as a 10b5-1 plan trade. Holdings down 1% to 405,875 shares. | SEC filing Filed Aug 3, 2026 |
| Jun 12, 2026 | Other purchase Amended filing | Arne Blystad (Director) bought 7,580 Common shares, par value $0.01 per share at $0.0000 ($0), reported as a purchase (code P). Holdings up 7% to 115,533 shares. Not marked as a 10b5-1 plan trade. This amends an earlier filing that is not in our records. | SEC filing Filed Aug 3, 2026 |
| Jun 11, 2026 | Sale | Nikolaos Karellis (Director) sold 20,000 shares at $26.96 ($539K). Holdings down 100% to 0 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Jun 12, 2026 |
| Jun 1, 2026 | Planned (10b5-1) | Nikolaos Reskos (President / COO) sold 5,000 shares at $28.49 ($142K), marked as a 10b5-1 plan trade. Holdings down 1% to 362,775 shares. | SEC filing Filed Jun 3, 2026 |
| May 20–21, 2026 | Planned (10b5-1) | Nikolaos Reskos (President / COO) sold 39,914 shares between May 20 and May 21 at about $27.11 ($1.1M), marked as a 10b5-1 plan trade. Holdings down 10% to 367,775 shares. | SEC filing Filed May 22, 2026 |
| May 18–19, 2026 | Planned (10b5-1) | Nikolaos Reskos (President / COO) sold 33,189 shares between May 18 and May 19 at about $26.28 ($872K), marked as a 10b5-1 plan trade. Holdings down 8% to 407,689 shares. | SEC filing Filed May 20, 2026 |
| Apr 14–15, 2026 | Sale | Nikolaos Reskos (President / COO) sold 10,000 shares between Apr 14 and Apr 15 at about $25.04 ($250K). Holdings down 2% to 440,878 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Apr 16, 2026 |
| Apr 8, 2026 | Sale Amended filing | Charis Plakantonaki (Chief Strategy Officer) sold 16,500 shares at $24.56 ($405K). Holdings down 22% to 60,228 shares. Not marked as a 10b5-1 plan trade. This amends a filing from Apr 16. | SEC filing Filed Apr 16, 2026 |
19 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
8 insiders bought in 30 days
$5.5M in purchases since Sep 15, 2026 · Purchases traded Sep 15, 2026 to Sep 15, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Koert Erhardt (Director) | $170K | Sep 15, 2026 | SEC filing |
| Symeon Spyrou (CFO) | $424K | Sep 15, 2026 | SEC filing |
| Nikolaos Karellis (Director) | $57K | Sep 15, 2026 | SEC filing |
| Nikolaos Reskos (President / COO) | $283K | Sep 15, 2026 | SEC filing |
| Charis Plakantonaki (Chief Strategy Officer) | $85K | Sep 15, 2026 | SEC filing |
| Raffaele Zagari (Director) | $283K | Sep 15, 2026 | SEC filing |
| Alexandros Pappas (Head of Operations) | $2.1M | Sep 15, 2026 | SEC filing |
| Milena Maria Pappa (Director) | $2.1M | Sep 15, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
No 8-K filings in the last 12 months.
Red flags are objective triggers only: the item or form filed, never an opinion.
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