Black Hawk Acquisition Corp

Nasdaq:BKHANasdaq:BKHARNasdaq:BKHAU

Biological Products, (No Diagnostic Substances)·DANVILLE, CA

Black is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey.

Financials

9 shown

Type	Period	Ended	Filed
10-K	FY 2025	11/30/25	3/6/26	→
10-Q	Q3 2025	8/31/25	10/21/25	→
10-Q	Q2 2025	5/31/25	6/26/25	→
10-K/A	FY 2024	11/30/24	4/11/25	→
10-Q	Q1 2025	2/28/25	4/10/25	→
10-K	FY 2024	11/30/24	2/7/25	→
↓

News (8-K)

22 shown

Filed	Type	Description
2/19/26	Agreement	Entry into a Material Definitive Agreement	→
2/3/26	Exec Change	Departure or Appointment of Directors or Certain Officers	→
9/24/25	Other	Other Events	→
8/28/25	Other	Other Events	→
8/8/25	Other	Other Events	→
7/22/25	Other	Other Events	→
↓

Prospectuses & Registrations

9 shown

Filed	Form	Description
3/5/26	S-4/A	S-4/A	→
1/26/26	S-4/A	S-4/A	→
1/23/26	S-4/A	S-4/A	→
12/23/25	S-4	S-4	→
3/22/24	424B4	424B4	→
3/20/24	S-1MEF	S-1MEF	→
↓

Filing History(92 filings)

TypeDateAccessionPeriodSize

10-K

Mar 6, 2026

0001829126-26-00202110-K

Nov 30, 2025

4.1 MB

S-4/A

Mar 5, 2026

0001829126-26-001934S-4/A

—

7.2 MB

NT 10-K

Mar 2, 2026

0001829126-26-001802NT 10-K

Nov 30, 2025

28.6 KB

8-K

Feb 19, 2026

0001829126-26-0014728-K

Feb 19, 2026

298.0 KB

8-K

Feb 3, 2026

0001829126-26-0009108-K

Feb 3, 2026

256.2 KB

S-4/A

Jan 26, 2026

0001829126-26-000517S-4/A

—

6.4 MB

S-4/A

Jan 23, 2026

0001829126-26-000475S-4/A

—

6.5 MB

DEL AM

Dec 29, 2025

0001829126-25-010326DEL AM

—

6.9 KB

S-4

Dec 23, 2025

0001829126-25-010259S-4

—

6.6 MB

SCHEDULE 13G/A

Nov 14, 2025

0001604488-25-000223

—

16.5 KB

SCHEDULE 13G/A

Nov 13, 2025

0001282327-25-000018

—

14.7 KB

SCHEDULE 13G/A

Nov 12, 2025

0001167557-25-000021

—

10.0 KB

SCHEDULE 13G/A

Nov 10, 2025

0001193125-25-274754

—

112.8 KB

10-Q

Oct 21, 2025

0001829126-25-00827710-Q

Aug 31, 2025

3.5 MB

NT 10-Q

Oct 15, 2025

0001829126-25-008114NT 10-Q

Aug 31, 2025

28.1 KB

SCHEDULE 13G

Oct 10, 2025

0001140361-25-037903

—

11.5 KB

8-K

Sep 24, 2025

0001829126-25-0076268-K

Sep 24, 2025

242.6 KB

DRS/A

Sep 23, 2025

0001829126-25-007578

—

5.6 MB

8-K

Aug 28, 2025

0001829126-25-0068408-K

Aug 28, 2025

242.7 KB

SCHEDULE 13G/A

Aug 13, 2025

0001104659-25-077157

—

31.6 KB

SCHEDULE 13G

Aug 8, 2025

0000950170-25-106010

—

88.4 KB

8-K

Aug 8, 2025

0001829126-25-0059388-K

Aug 7, 2025

242.4 KB

SCHEDULE 13G/A

Aug 7, 2025

0001072613-25-000507

—

7.6 KB

DRS/A

Aug 4, 2025

0001829126-25-005721

—

5.2 MB

8-K/A

Jul 22, 2025

0001829126-25-0052798-K/A

Jul 8, 2025

251.5 KB

25 filings shown

Filed	Form	Description
7/8/25	DEFA14A	DEFA14A	→
6/20/25	DEFA14A	DEFA14A	→
6/20/25	DEFA14A	DEFA14A	→
6/10/25	DEFR14A	DEFR14A	→
6/10/25	DEF 14A	DEF 14A	→
5/28/25	PRE 14A	PRE 14A	→

Filed	Form	Description
11/15/24	SC 13G/A	13G/A BFAC	→
11/14/24	SC 13G	SC 13G	→
11/14/24	SC 13G	13G BKHA	→
11/14/24	SC 13G	AQR CAPITAL MANAGEMENT LLC	→
11/12/24	SC 13G/A	SC 13G/A	→
11/12/24	SC 13G	SC 13G	→
↓

Black Hawk Acquisition Corp

Financials

News (8-K)

Prospectuses & Registrations

Filing History(92 filings)

Proxies

Ownership

Other Filings

Filed	Form	Description
12/29/25	DEL AM	DEL AM	→
11/14/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
11/13/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
11/12/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
11/10/25	SCHEDULE 13G/A	SCHEDULE 13G/A	→
10/10/25	SCHEDULE 13G	SCHEDULE 13G	→
↓