Company filings profile · CIK 0002000775
Black Hawk Acquisition Corp — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for Black Hawk Acquisition Corp (BKHA): 10 filings in the last 90 days vs 7 in the prior 90 (filing-velocity rising ↑ · 1.43×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 23, 2026. Source-linked, daily-refreshed.
Material 8-K events — Black Hawk Acquisition Corp
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 22, 2026 | Other Events | ↗ |
| Aug 26, 2026 | Entry into a Material Agreement; Material Direct Financial Obligation; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Aug 25, 2026 | Other Events | ↗ |
| Jul 22, 2026 | Other Events | ↗ |
| May 8, 2026 | Entry into a Material Agreement; Material Direct Financial Obligation; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Apr 1, 2026 | Delisting / Listing-Rule Failure | ↗ |
| Mar 17, 2026 | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Feb 19, 2026 | Entry into a Material Agreement; Material Direct Financial Obligation; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Feb 3, 2026 | Departure/Election of Directors or Officers | ↗ |
| Sep 24, 2025 | Other Events | ↗ |
| Aug 28, 2025 | Other Events | ↗ |
| Aug 8, 2025 | Other Events | ↗ |
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Insider transactions (Form 4 / 3 / 5)
| Filed | Form | |
|---|---|---|
| No insider filings in the current window. | ||
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 22, 2026 | 8-K | Other Events | ↗ |
| Sep 22, 2026 | 424B4 | 424B4 | ↗ |
| Sep 17, 2026 | EFFECT | Item ; Item ; Item | ↗ |
| Sep 4, 2026 | S-4/A | S-4/A | ↗ |
| Aug 26, 2026 | 8-K | Entry into a Material Agreement; Material Direct Financial Obligation; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Aug 25, 2026 | 8-K | Other Events | ↗ |
| Aug 3, 2026 | S-4/A | S-4/A | ↗ |
| Jul 22, 2026 | 8-K | Other Events | ↗ |
| Jul 15, 2026 | 10-Q | 10-Q | ↗ |
| Jul 6, 2026 | S-4/A | S-4/A | ↗ |
| Jun 11, 2026 | S-4/A | S-4/A | ↗ |
| May 8, 2026 | 8-K | Entry into a Material Agreement; Material Direct Financial Obligation; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| May 1, 2026 | S-4/A | S-4/A | ↗ |
| Apr 28, 2026 | 10-K/A | 10-K/A | ↗ |
| Apr 21, 2026 | 10-Q | 10-Q | ↗ |
| Apr 14, 2026 | NT 10-Q | NT 10-Q | ↗ |
| Apr 1, 2026 | 8-K | Delisting / Listing-Rule Failure | ↗ |
| Mar 17, 2026 | 8-K | Departure/Election of Directors or Officers; Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Mar 6, 2026 | 10-K | 10-K | ↗ |
| Mar 5, 2026 | S-4/A | S-4/A | ↗ |
| Mar 2, 2026 | NT 10-K | NT 10-K | ↗ |
| Feb 19, 2026 | 8-K | Entry into a Material Agreement; Material Direct Financial Obligation; Unregistered Sale of Securities; Financial Statements and Exhibits | ↗ |
| Feb 3, 2026 | 8-K | Departure/Election of Directors or Officers | ↗ |
| Jan 26, 2026 | S-4/A | S-4/A | ↗ |
| Jan 23, 2026 | S-4/A | S-4/A | ↗ |
| Dec 29, 2025 | DEL AM | DEL AM | ↗ |
| Dec 23, 2025 | S-4 | S-4 | ↗ |
| Nov 14, 2025 | SCHEDULE 13G/A | ↗ | |
| Nov 13, 2025 | SCHEDULE 13G/A | ↗ | |
| Nov 12, 2025 | SCHEDULE 13G/A | ↗ | |
| Nov 10, 2025 | SCHEDULE 13G/A | ↗ | |
| Oct 21, 2025 | 10-Q | 10-Q | ↗ |
| Oct 15, 2025 | NT 10-Q | NT 10-Q | ↗ |
| Oct 10, 2025 | SCHEDULE 13G | ↗ | |
| Sep 24, 2025 | 8-K | Other Events | ↗ |
| Sep 23, 2025 | DRS/A | ↗ | |
| Aug 28, 2025 | 8-K | Other Events | ↗ |
| Aug 13, 2025 | SCHEDULE 13G/A | ↗ | |
| Aug 8, 2025 | SCHEDULE 13G | ↗ | |
| Aug 8, 2025 | 8-K | Other Events | ↗ |