Black Hawk Acquisition Corporation

BKHA·NASDAQ·$11.85Share Price as of 11/2·$49MMarket Cap as of 11/2

Financials

10-QQ3 ended 08/31/2610/06/26 10-QQ2 ended 05/31/2607/15/26 10-K/AFY 202504/28/26 10-QQ1 ended 02/28/2604/21/26 10-KFY 202503/06/26

Disclosures

8-KCurrent report10/23/26 8-KCurrent report10/13/26 8-KCurrent report09/24/26 8-KCurrent report09/22/26 8-KCurrent report08/26/26

Prospectuses and Registrations

424B4Prospectus09/22/26 S-4/ARegistration (business combination, amended)09/04/26 S-4/ARegistration (business combination, amended)08/03/26 S-4/ARegistration (business combination, amended)07/06/26 S-4/ARegistration (business combination, amended)06/11/26

Proxies

DEFA14AAdditional proxy materials07/08/25 DEFA14AAdditional proxy materials06/20/25 DEFA14AAdditional proxy materials06/20/25 DEF 14ADefinitive proxy06/10/25 DEFR14ADefinitive proxy (revised)06/10/25

Ownership

SC 13G/ABeneficial ownership (amended)10/07/26 SC 13G/ABeneficial ownership (amended)11/14/25 SC 13G/ABeneficial ownership (amended)11/13/25 SC 13G/ABeneficial ownership (amended)11/12/25 SC 13GBeneficial ownership10/10/25

Other

42542509/25/26 EFFECTRequest for effectiveness09/17/26 NT 10-QLate filing notification (10-Q)04/14/26 NT 10-KLate filing notification (10-K)03/02/26 DEL AMDEL AM12/29/25