Star Bulk Carriers Corp. (SBLK) Insider Ownership

Historic Insider Ownership Trends

Star Bulk Carriers's three largest insider shareholders as of April 25, 2026 are Nikolaos Reskos (Coo, 440.88K shares), Charis Plakantonaki (Chief Strategy Officer, 60.23K shares), Raffaele Zagari (Director, 20.00K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Nikolaos Reskos Coo 440,878 0 16 Apr, 2026
Charis Plakantonaki Chief Strategy Officer 60,228 0 16 Apr, 2026
Raffaele Zagari - 20,000 0 01 Apr, 2026
Raffaele Zagari - 20,000 0 01 Apr, 2026

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
14 Apr, 2026 Nikolaos Reskos Common shares par value $0.01 per share D 1,594 $25.00 449,284 D S
08 Apr, 2026 Charis Plakantonaki Common shares par value $ 0.01 per share D 16,500 $24.56 60,228 D S
08 Apr, 2026 Charis Plakantonaki Common shares par value $ 0.01 per share A 16,500 $24.56 60,228 D S
15 Apr, 2026 Nikolaos Reskos Common shares par value $0.01 per share D 8,406 $25.05 440,878 D S
31 Mar, 2026 Raffaele Zagari Common shares, par value $0.01 per share A 11,500 $22.75 20,000 D S
31 Mar, 2026 Raffaele Zagari Common shares, par value $0.01 per share A 11,500 $227,538.00 20,000 D S
31 Mar, 2026 Raffaele Zagari Common shares, par value $0.01 per share A 11,500 $227,538.00 20,000 D S
31 Mar, 2026 Raffaele Zagari Common shares, par value $0.01 per share A 11,500 $22.75 20,000 D S
18 Apr, 2008 Co Llc C4S Common Stock, $.01 par value D 15,000 $12.50 564,865 I S
18 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value D 15,000 $12.50 564,865 I S
18 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value D 15,000 $12.50 564,865 I S
18 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value D 20,000 $12.59 544,865 I S
18 Apr, 2008 Co Llc C4S Common Stock, $.01 par value D 20,000 $12.59 544,865 I S
18 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value D 20,000 $12.59 544,865 I S
21 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value A 35,000 $8.00 579,865 I X
21 Apr, 2008 Co Llc C4S Common Stock, $.01 par value A 35,000 $8.00 579,865 I X
21 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value A 35,000 $8.00 579,865 I X
18 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value D 15,000 $12.50 490,865 I S
18 Apr, 2008 Capital Group Llc Ramius Common Stock, $.01 par value D 15,000 $12.50 490,865 I S
18 Apr, 2008 Co Llc C4S Common Stock, $.01 par value D 15,000 $12.50 490,865 I S