secwatch.observer — SEC 8-K summary ====================================== Issuer: Black Hawk Acquisition Corp (BKHA) CIK: 0002000775 Form: 8-K Filed at: 2026-08-26T17:42:52+00:00 Accession: 0001829126-26-009347 Event type: debt Sentiment: neutral Materiality: 0.50 Item codes: 1.01, 2.03, 3.02, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Black Hawk Acquisition issues up to $300K convertible note to sponsor for working capital -------------------------------------------------------------------------------- - Note dated Aug 21, 2026, up to $300,000 from Black Hawk Management LLC (sponsor) for working capital and extension fees. - 10% annual interest from July 8, 2026, for one year; due at DeSPAC closing or liquidation. - Sponsor may convert principal into shares at $1.00/share (approx 1/10 of IPO price) upon DeSPAC; cash repayment in liquidation. - Sponsor waives claims against trust account; note unsecured, issued under Section 4(a)(2) exemption. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2000775/000182912626009347/0001829126-26-009347-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2000775/000182912626009347/blackhawkacq_8k.htm HTML page: https://secwatch.observer/filing/0001829126-26-009347 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer