SCHEDULE 13G/A 0000011544 XXXXXXXX LIVE 1 Ordinary shares, par value $0.0001 per share 09/30/2025 0002000775 Black Hawk Acquisition Corporation G1148A101 4125 Blackhawk Plaza Circle, Suite 166 Danville CA 94506 Rule 13d-1(b) W. R. Berkley Corporation DE 0 308584 0 308584 308584 N 7.4 CO Berkley Insurance Company DE 0 308584 0 308584 308584 N 7.4 IC CO Black Hawk Acquisition Corporation 4125 Blackhawk Plaza Circle, Suite 166, Danville, California 94506 W. R. Berkley Corporation 475 Steamboat Road, Greenwich, CT 06830 US N IC HC 308,584 7.4% 0 308,584 0 308,584 Y Y N See Exhibit 99.1 Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. W. R. Berkley Corporation /s/ Richard M. Baio 11/07/2025 Berkley Insurance Company /s/ Richard M. Baio 11/07/2025