SBLK: 6-K company filing

6-K 1 form6-k.htm REPORT OF FOREIGN PRIVATE ISSUER UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2026 Commission File Number: 001-33869 STAR BULK CARRIERS CORP. (Translation of registrant’s name into English) Star Bulk Carriers Corp. c/o Star Bulk Management Inc. 40 Agiou Konstantinou Street, 15124 Maroussi, Athens, Greece (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F. Form 20-F ☒ Form 40-F ☐ INFORMATION CONTAINED IN THIS FORM 6-K REPORT On August 10, 2026, Star Bulk Carriers Corp. (the “Company”) and Diana Shipping Inc. (“Diana”) terminated the previously announced agreement (the “Agreement”) between the Company and Diana whereby the Company agreed to acquire certain vessels from Diana upon completion of Diana’s proposed acquisition of Genco Shipping & Trading Limited. A copy of the termination letter delivered by Diana at the request of the Company is attached hereto as Exhibit 99.1 of this Form 6-K and is hereby incorporated by reference into the registrant’s Registration Statement on Form F-3 (File No. 333-286185) and Registration Statement on Form S-8 (File No. 333-176922), in each case to the extent not superseded by information subsequently filed or furnished (to the extent we expressly state that we incorporate such furnished information by reference) by the Company under the Securities Act of 1933 or the Securities Exchange Act of 1934, in each case as amended. A copy of the press release announcing the termination of the Agreement