Black Hawk Acquisition Corporation

04/14/2026 | Press release | Distributed by Public on 04/14/2026 14:14

Late Filing Notice (Form NT 10-Q)

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 12b-25

NOTIFICATION OF LATE FILING

(Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form N-SAR ☐ Form N-CSR

For Period Ended: February 28, 2026

☐ Transition Report on Form 10-K

☐ Transition Report on Form 20-F

☐ Transition Report on Form 11-K

☐ Transition Report on Form 10-Q

☐ Transition Report on Form N-SAR

For the Transition Period Ended: _______________________

Read Instruction (on back page) Before Preparing Form. Please Print or Type.

Nothing in this form shall be construed to imply that the Commission has verified any information contained herein.

If the notification relates to a portion of the filing checked above, identify the item(s) to which the notification relates:

PART I - REGISTRANT INFORMATION

Black Hawk Acquisition Corporation
Full name of registrant:
N/A
Former name if applicable:
4125 Blackhawk Plaza Circle, Suite 166
Address of principal executive office (Street and number):
Danville, CA 94506
City, state and zip code

PART II - RULES 12b-25(b) AND (c)

If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule 12b-25(b), the following should be completed. (Check box if appropriate.)

(a) The reasons described in reasonable detail in Part III of this form could not be eliminated without unreasonable effort or expense;
(b)

The subject annual report, semi-annual report, transition report on Form 10-K, Form 20-F, 11-K or Form N-SAR, or portion thereof, will be filed on or before the fifteenth calendar day following the prescribed due date; or the subject quarterly report or transition report on Form 10-Q, or portion thereof will be filed on or before the fifth calendar day following the prescribed due date; and

(c) The accountant's statement or other exhibit required by Rule 12b-25(c) has been attached if applicable.

PART III - NARRATIVE

State below in reasonable detail the reasons why Forms 10-K, 20-F, 11-K, 10-Q, N-SAR, N-CSR, or the transition report or portion thereof, could not be filed within the prescribed time period.

Black Hawk Acquisition Corporation (the "Registrant") was unable, without unreasonable effort or expense, to file its Quarterly Report on Form 10-Q for the quarter ended February 28, 2026 (the "Quarterly Report") by April 14, 2026, the filing date applicable to smaller reporting companies due to a delay experienced by the Registrant in completing its financial statement in the Quarterly Report. The Registrant anticipates that it will file the Quarterly Report no later than the fifth calendar day following the prescribed filing date.

PART IV - OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this notification
Kent Louis Kaufman +1 (212) 612-1400
(Name) (Area Code) (Telephone Number)
(2) Have all other periodic reports required under Section 13 or 15(d) of the Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940 during the preceding 12 months or for such shorter period that the registrant was required to file such report(s) been filed? If the answer is no, identify report(s).
☒ Yes ☐ No
(3) Is it anticipated that any significant change in results of operations from the corresponding period for the last fiscal year will be reflected by the earnings statements to be included in the subject report or portion thereof?
☐ Yes ☒ No

If so, attach an explanation of the anticipated change, both narratively and quantitatively, and, if appropriate, state the reasons why a reasonable estimate of the results cannot be made.

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Black Hawk Acquisition Corporation

(Name of Registrant as Specified in Charter)

has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.

Date: April 14, 2026 By /s/ Kent Louis Kaufman
Name: Kent Louis Kaufman
Title: Chief Executive Officer

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ATTENTION

Intentional misstatements or omissions of fact constitute Federal criminal violations. (See 18 U.S.C. 1001).

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Black Hawk Acquisition Corporation published this content on April 14, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT) on April 14, 2026 at 20:14 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]