X0609 4 2026-09-15 0 0001386716 Star Bulk Carriers Corp. SBLK 0001333848 Erhardt Koert true VALLESPIR UNIT 16, LEVEL 2, BOULEVARD DU LARVOTTO MONACO O9 98000 MONACO 1 0 0 0 0 Common shares, par value $0.01 per share 2026-09-15 4 P 0 6000 28.27 A 16080 D Participation in the Parallel Offering undertaken by STAR BULK CARRIERS CORP in Greece, following its dual listing on EURONEXT ATHENS, pursuant to which subscribed to 6,000 new common shares at the offering price of euro 24.50 per share (or equivalent $28.27 per share) Koert Erhardt 2026-09-16