{"filing":{"accession_number":"0001213900-26-069960","cik":"0002102771","ticker":"KEYY","company_name":"Keystone Acquisition Corp.","form":"8-K","filing_date":"2026-06-18","report_date":null,"primary_document":"ea0295290-8k_keystone.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/2102771/000121390026069960/ea0295290-8k_keystone.htm"},"events":[{"id":11758,"run_id":10339,"accession_number":"0001213900-26-069960","anchor_item_number":"8.01","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"summary":"The disclosure announces the commencement of separate trading of Class A Ordinary Shares and Warrants from Units following the Company's IPO completed on June 4, 2026. This is a routine post-IPO administrative event related to unit separation and listing mechanics. While it affects the trading structure of the Company's securities, it does not fit neatly into the more specific event categories (not an earnings release, executive change, M\u0026A activity, impairment, covenant breach, or other defined material events). The event is material to investors as it affects how the Company's securities trade, but it is primarily a procedural/administrative disclosure rather than a substantive business or financial event.","company_name":"Keystone Acquisition Corp.","ticker":"KEYY","filing_date":"2026-06-18","form":"8-K","submitted_at":null,"items":[{"id":8424,"accession_number":"0001213900-26-069960","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"The disclosure announces the commencement of separate trading of Class A Ordinary Shares and Warrants from Units following the Company's IPO completed on June 4, 2026. This is a routine post-IPO administrative event related to unit separation and listing mechanics. While it affects the trading structure of the Company's securities, it does not fit neatly into the more specific event categories (not an earnings release, executive change, M\u0026A activity, impairment, covenant breach, or other defined material events). The event is material to investors as it affects how the Company's securities trade, but it is primarily a procedural/administrative disclosure rather than a substantive business or financial event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-18T16:19:06.902781+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":8424,"accession_number":"0001213900-26-069960","item_number":"8.01","item_title":"Other Events.","event_type":"other_material","event_domain":"catchall","is_material":true,"confidence":0.75,"reasoning":"The disclosure announces the commencement of separate trading of Class A Ordinary Shares and Warrants from Units following the Company's IPO completed on June 4, 2026. This is a routine post-IPO administrative event related to unit separation and listing mechanics. While it affects the trading structure of the Company's securities, it does not fit neatly into the more specific event categories (not an earnings release, executive change, M\u0026A activity, impairment, covenant breach, or other defined material events). The event is material to investors as it affects how the Company's securities trade, but it is primarily a procedural/administrative disclosure rather than a substantive business or financial event.","classifier_version":"claude-haiku-4-5-20251001+prompt-9e0ffca5","taxonomy_version":"v1","classified_at":"2026-06-18T16:19:06.902781+00:00","company_name":"Keystone Acquisition Corp.","ticker":"KEYY","filing_date":"2026-06-18"}]}