SBLK Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Pappa Milena Maria Director 2026-09-15 74,400 $2,103,288
Pappas Alexandros Insider 2026-09-15 74,400 $2,103,288
Plakantonaki Charis Chief Strategy Officer 2026-09-15 3,000 $84,810
Karellis Nikolaos Director 2026-09-15 2,000 $56,540
Zagari Raffaele Director 2026-09-15 10,000 $282,700
Zagari Raffaele Director 2026-09-15 50,000 $1,413,500
Reskos Nikolaos Chief Operating Officer 2026-09-15 10,000 $282,700
Erhardt Koert Director 2026-09-15 6,000 $169,620
Spyrou Symeon co CFO 2026-09-15 15,000 $424,050
Zagari Raffaele Director 2026-08-25 50,000 $1,560,000

How Institutional Funds Moved on SBLK

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
Encompass Capital Advisors LLC Encompass Capital Advisors LLC opened a new position worth $24,033,625. 2026-06-30
Boston Partners Boston Partners reduced this position by 99% ($37,367,212 -> $494,730). 2026-06-30
TWO SIGMA INVESTMENTS, LP TWO SIGMA INVESTMENTS, LP increased this position by 27% ($69,207,760 -> $88,144,599). 2026-06-30
GOLDMAN SACHS GROUP INC GOLDMAN SACHS GROUP INC increased this position by 57% ($27,879,860 -> $43,842,626). 2026-06-30
Bridgewater Associates, LP Bridgewater Associates, LP increased this position by 42% ($12,664,027 -> $17,929,883). 2026-06-30
Marex Group Ltd Marex Group Ltd increased this position by 528% ($2,894,771 -> $18,178,709). 2026-06-30
RENAISSANCE TECHNOLOGIES LLC RENAISSANCE TECHNOLOGIES LLC increased this position by 10% ($47,493,622 -> $52,427,936). 2026-06-30
First Eagle Investment Management, LLC First Eagle Investment Management, LLC opened a new position worth $12,859,550. 2026-06-30

Which Funds Hold SBLK

Largest reported positions as of 2026-06-30.

FundValueShares
TWO SIGMA INVESTMENTS, LP $88,144,599 3,530,020
RENAISSANCE TECHNOLOGIES LLC $52,427,936 2,099,637
GOLDMAN SACHS GROUP INC $43,842,626 1,755,812
Philosophy Capital Management LLC $43,764,070 1,752,666
GROUP ONE TRADING LLC $41,739,852 1,671,600
Focus Partners Wealth $31,553,584 1,263,659
Qube Research & Technologies Ltd $28,880,901 1,156,624
FEARNLEY ASSET MANAGEMENT AS $25,075,099 1,004,209
Encompass Capital Advisors LLC $24,033,625 962,500
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $23,131,659 926,378

Data compiled from public SEC filings. This is informational reporting, not investment advice.

SBLK Director Zagari Raffaele Buys $282K in Insider Cluster

SEC Form 4 filing document showing insider stock purchase details for Star Bulk Carriers Corp

Star Bulk Carriers Corp. (SBLK) director Raffaele Zagari disclosed an open-market purchase of 10,000 shares on September 15, 2026, according to a Form 4 filed with the SEC. The shares were bought at $28.27 apiece, for a total outlay of $282,700. Following the purchase, Zagari now holds 37,580 shares directly. The filing lands amid a … Read more

SBLK Insider Alexandros Pappas Buys $2.1M in Stock

SEC Form 4 filing document showing an insider stock purchase at Star Bulk Carriers Corp.

A fresh Form 4 filing shows Alexandros Pappas, an insider at Star Bulk Carriers Corp. (SBLK), purchased 74,400 shares of the dry bulk shipping company on September 15, 2026. The shares were bought at $28.27 apiece, for a total outlay of $2,103,288.00, according to the disclosure filed with the SEC. The transaction is classified as … Read more

Star Bulk Carriers (SBLK) Director Buys $2.1M in Stock

Stock chart and SEC filing document representing Star Bulk Carriers insider stock purchase

A Form 4 filing with the Securities and Exchange Commission shows that Milena Maria Pappa, a director at Star Bulk Carriers Corp. (NASDAQ: SBLK), purchased 74,400 shares of the dry bulk shipping company on September 15, 2026. The transaction was an open-market buy, meaning Pappa used personal funds to acquire the stock rather than receiving … Read more