Black Hawk Acquisition Corp SEC EDGAR Filings (CIK 0002000775)

SEC EDGAR filings, ownership reports, and insider transactions for Black Hawk Acquisition Corp.

Symbol
BKHA, BKHAR, BKHAU on Nasdaq
Industry
Biological Products, (No Disgnostic Substances) (Office Of Life Sciences)
Business address
4125 Blackhawk Plaza Circle, Suite 166, Danville, CA, 94506
Fiscal year end
30 November
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Black Hawk Acquisition Corp has filed 85 SEC EDGAR filings since 21 Dec 2023

Latest Filings

Recent SEC filings for Black Hawk Acquisition Corp including DEL AM, S-4, SCHEDULE 13G/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
DEL AM Open DEL AM document View SEC filing for DEL AM DEL AM 29 Dec 2025 333-292402
S-4 Open S-4 document | Open XBRL data View SEC filing for S-4 S-4 23 Dec 2025 333-292402
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Nov 2025 005-94481
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 Nov 2025 005-94481
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 Nov 2025 005-94481
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 10 Nov 2025 005-94481
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 21 Oct 2025 31 Aug 2025 001-41984
NT 10-Q Open NT 10-Q document View SEC filing for NT 10-Q NT 10-Q 15 Oct 2025 31 Aug 2025 001-41984
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 10 Oct 2025 005-94481
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Sep 2025 24 Sep 2025 001-41984
DRS/A Open DRS/A document View SEC filing for DRS/A 23 Sep 2025 377-08098
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 28 Aug 2025 28 Aug 2025 001-41984
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 Aug 2025 005-94481
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 08 Aug 2025 005-94481
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Aug 2025 07 Aug 2025 001-41984
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 07 Aug 2025 005-94481
DRS/A Open DRS/A document View SEC filing for DRS/A 04 Aug 2025 377-08098
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 22 Jul 2025 08 Jul 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 14 Jul 2025 08 Jul 2025 001-41984
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 08 Jul 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 08 Jul 2025 07 Jul 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 03 Jul 2025 03 Jul 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 01 Jul 2025 01 Jul 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 27 Jun 2025 27 Jun 2025 001-41984
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 26 Jun 2025 31 May 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Jun 2025 23 Jun 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 23 Jun 2025 23 Jun 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jun 2025 20 Jun 2025 001-41984
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 20 Jun 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 20 Jun 2025 20 Jun 2025 001-41984
DEFA14A Open DEFA14A document View SEC filing for DEFA14A DEFA14A 20 Jun 2025 001-41984
DRS Open DRS document View SEC filing for DRS 12 Jun 2025 377-08098
DEFR14A Open DEFR14A document View SEC filing for DEFR14A DEFR14A 10 Jun 2025 001-41984
DEF 14A Open DEF 14A document View SEC filing for DEF 14A DEF 14A 10 Jun 2025 20 Jun 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 04 Jun 2025 29 Apr 2025 001-41984
PRE 14A Open PRE 14A document View SEC filing for PRE 14A PRE 14A 28 May 2025 28 May 2025 001-41984
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 May 2025 005-94481
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 12 May 2025 005-94481
425 Open 425 document | Open XBRL data View SEC filing for 425 425 29 Apr 2025 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 29 Apr 2025 26 Apr 2025 001-41984
10-K/A Open 10-K/A document View SEC filing for 10-K/A 10-K/A 11 Apr 2025 30 Nov 2024 001-41984
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 10 Apr 2025 28 Feb 2025 001-41984
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 14 Feb 2025 005-94481
SCHEDULE 13G Open SCHEDULE 13G document View SEC filing for SCHEDULE 13G 13 Feb 2025 005-94481
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 Feb 2025 005-94481
10-K Open 10-K document | Open XBRL data View SEC filing for 10-K 10-K 07 Feb 2025 30 Nov 2024 001-41984
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A 13G/A BFAC 15 Nov 2024 005-94481
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Nov 2024 005-94481
SC 13G Open SC 13G document View SEC filing for SC 13G 13G BKHA 14 Nov 2024 005-94481
SC 13G Open SC 13G document View SEC filing for SC 13G AQR CAPITAL MANAGEMENT LLC 14 Nov 2024 005-94481
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 12 Nov 2024 005-94481
SC 13G Open SC 13G document View SEC filing for SC 13G 12 Nov 2024 005-94481
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 23 Sep 2024 31 Aug 2024 001-41984
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 28 Jun 2024 31 May 2024 001-41984
SC 13G Open SC 13G document View SEC filing for SC 13G KARPUS INVESTMENT MGT / BLACK HAWK ACQUISITION CORP - SCHEDULE 13G 07 Jun 2024 005-94481
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 26 Apr 2024 005-94481
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2024 04 Apr 2024
8-K/A Open 8-K/A document | Open XBRL data View SEC filing for 8-K/A 8-K/A 24 Apr 2024 22 Apr 2024 001-41984
8-K Open 8-K document | Open XBRL data View SEC filing for 8-K 8-K 24 Apr 2024 22 Apr 2024 001-41984
10-Q Open 10-Q document | Open XBRL data View SEC filing for 10-Q 10-Q 19 Apr 2024 29 Feb 2024 001-41984
8-K/A Open 8-K/A document View SEC filing for 8-K/A 8-K/A 04 Apr 2024 22 Mar 2024 001-41984
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 01 Apr 2024 005-94481
8-K Open 8-K document View SEC filing for 8-K 8-K 28 Mar 2024 22 Mar 2024 001-41984
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 27 Mar 2024 005-94481
8-K Open 8-K document View SEC filing for 8-K 8-K 26 Mar 2024 20 Mar 2024 001-41984
3 Open 3 document View SEC filing for 3 FORM 3 25 Mar 2024 20 Mar 2024
3 Open 3 document View SEC filing for 3 FORM 3 25 Mar 2024 20 Mar 2024
3 Open 3 document View SEC filing for 3 FORM 3 25 Mar 2024 20 Mar 2024
3 Open 3 document View SEC filing for 3 FORM 3 25 Mar 2024 20 Mar 2024
3 Open 3 document View SEC filing for 3 FORM 3 25 Mar 2024 20 Mar 2024
424B4 Open 424B4 document View SEC filing for 424B4 424B4 22 Mar 2024 333-276857
CERT Open CERT document View SEC filing for CERT 21 Mar 2024 001-41984
EFFECT Open EFFECT document View SEC filing for EFFECT 20 Mar 2024 333-276857
S-1MEF Open S-1MEF document View SEC filing for S-1MEF S-1MEF 20 Mar 2024 333-278098
8-A12B Open 8-A12B document View SEC filing for 8-A12B 8-A12B 20 Mar 2024 001-41984
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Mar 2024
CORRESP Open CORRESP document View SEC filing for CORRESP 15 Mar 2024
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 08 Mar 2024 333-276857
S-1/A Open S-1/A document View SEC filing for S-1/A S-1/A 26 Feb 2024 333-276857
CORRESP Open CORRESP document View SEC filing for CORRESP 23 Feb 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 21 Feb 2024 377-07015
S-1 Open S-1 document View SEC filing for S-1 S-1 05 Feb 2024 333-276857
CORRESP Open CORRESP document View SEC filing for CORRESP 02 Feb 2024
UPLOAD Open UPLOAD document View SEC filing for UPLOAD 17 Jan 2024 377-07015
DRS Open DRS document View SEC filing for DRS 21 Dec 2023 377-07015

About this filer

Black Hawk Acquisition Corp files with the SEC under CIK 0002000775. This page aggregates EDGAR filings and related ownership activity.

Industry: Biological Products, (No Disgnostic Substances).

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FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
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Updates follow new EDGAR submissions and periodic data refreshes.

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