X0609 4 2026-09-15 0 0001386716 Star Bulk Carriers Corp. SBLK 0001978604 Plakantonaki Charis true 57 PANAGIOTOU ANAGNOSTOPOULOU ATHENS J3 10672 GREECE 0 1 0 0 Chief Strategy Officer 0 Common shares par value $ 0.01 per share 2026-09-15 4 P 0 3000 28.27 A 58778 D Participation in the Parallel Offering undertaken by STAR BULKCARRIERS CORP in Greece, following its dual listing on Euronext Athens, pursuant to which subscribed to 3,000 new common shares at the offering price of euro 24.50 per share (or equivalent $28.27). Charis Plakantonaki 2026-09-17