Star Bulk Carriers Corp. announced that F5 Capital, a company affiliated with Mr. Nobu Su, one of the Company's directors, filed a Schedule 13D report with the Securities and Exchange Commission to disclose its disposition of approximately 9.5 million Star Bulk common shares in certain private transactions. According to the Schedule 13D, F5 Capital's beneficial ownership in the Company has been reduced to approximately 3.8 million shares, representing roughly 7% of the Company's issued and outstanding shares.