UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:
September 17, 2026 5:30 P.M.
Form:
S-4
CIK:
0002000775
Company Name:
Black Hawk Acquisition Corp
File Number:
333-292402
CIK:
0001993074
Company Name:
Vesicor Therapeutics, Inc.
File Number:
333-292402-01