DANVILLE, Calif., April 28, 2025 (GLOBE NEWSWIRE) — Black Hawk Acquisition Corp. (Nasdaq: BKHAU, BKHA, BKHAR), a special purpose acquisition company, (“Black Hawk”) announced the signing of a Business Combination Agreement (“BCA”) on April 26, 2025, with Vesicor Therapeutics, Inc. (“Vesicor”, “Vesicor Therapeutics” or “the Company”), a California-based early development stage biotechnology corporation focused on the development of p53-based cancer therapeutics delivered via precision-engineered microvesicles.