{"url_path":"/sec/keyy/8-k/2026-06-18/item-8-01","section_key":"item-8-01","section_title":"Item 8.01 Other Events.**","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-18","source_url":"https://www.sec.gov/Archives/edgar/data/2102771/0001213900-26-069960-index.html","accession_number":"0001213900-26-069960","cik":"0002102771","ticker":"KEYY","issuer_name":"Keystone Acquisition Corp.","edgar_url":"https://www.sec.gov/Archives/edgar/data/2102771/0001213900-26-069960-index.html","primary_entity_key":"0002102771","primary_entity_name":"Keystone Acquisition Corp."},"word_count":186,"has_tables":true,"body_markdown":"**Item 8.01. Other Events.**\n\n \n\nOn June 18, 2026, Keystone\nAcquisition Corp. (the “Company”) issued a press release, a copy of which is attached as Exhibit 99.1 to this Current Report\non Form 8-K, announcing that the holders of the Company’s units (the “Units”) may elect to separately trade the Class\nA ordinary shares, par value $0.0001 per share (the “Class A Ordinary Shares”), and warrants (the “Warrants”)\nincluded in the Units commencing on or about June 22, 2026. Each Unit consists of one Class A Ordinary Share and one-half of one redeemable\nWarrant to purchase one Class A Ordinary Share. Any Units not separated will continue to trade on The Nasdaq Global Market under the symbol\n“KEYYU”, and the Class A Ordinary Shares and Warrants will separately trade on The Nasdaq Global Market under the symbols\n“KEYY” and “KEYYW,” respectively. No fractional Warrants will be issued upon separation of the Units and only\nwhole Warrants will trade. Holders of Units will need to have their brokers contact Efficiency INC., the Company’s transfer agent,\nin order to separate the Units into Class A Ordinary Shares and Warrants."}