Blue Holdings Sponsor LLC Increases Beneficial Ownership Control Following CEO Resignation

This Schedule 13D/A, filed on June 18, 2026, reflects a significant change in the beneficial ownership structure of Blue Acquisition Corp (BACC). The filing was triggered by the resignation of Ketan Seth, the former CEO of the Issuer, from his position as the managing member of Blue Holdings Management LLC (BHM) on June 16, 2026. Upon his resignation, Mr. Seth forfeited all rights, title, and interest in BHM membership units and Issuer securities. Consequently, David Bauer has succeeded Mr. Seth as the managing member of BHM, which serves as the managing member of Blue Holdings Sponsor LLC. As a result of these management changes, David Bauer is now deemed to have sole voting and dispositive power over 7,160,913 ordinary shares, representing a 25.61% ownership stake in the company. These holdings consist of 6,769,913 Class B founder shares and 391,000 Class A ordinary shares acquired via private placement units. The reporting persons maintain these securities for investment purposes and may explore extraordinary corporate transactions, including the proposed business combination with Blockfusion USA, Inc.