{"url_path":"/sec/keyy/8-k/2026-06-08/item-5-03","section_key":"item-5-03","section_title":"Item 5.03 Amendments to Certificate of Incorporation or Bylaws;","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-08","source_url":"https://www.sec.gov/Archives/edgar/data/2102771/0001213900-26-066255-index.html","accession_number":"0001213900-26-066255","cik":"0002102771","ticker":"KEYY","issuer_name":"Keystone Acquisition Corp.","edgar_url":"https://www.sec.gov/Archives/edgar/data/2102771/0001213900-26-066255-index.html","primary_entity_key":"0002102771","primary_entity_name":"Keystone Acquisition Corp."},"word_count":77,"has_tables":true,"body_markdown":"**Item 5.03. Amendments to Certificate of Incorporation or Bylaws;\nChange in Fiscal Year.**\n\n \n\nOn June 2, 2026, in connection\nwith the IPO, the Company adopted its Amended and Restated Memorandum and Articles of Association (the “Amended Articles”),\neffective the same day. The terms of the Amended Articles are set forth in the Registration Statement and are incorporated herein by reference.\nA copy of the Amended Articles is attached as Exhibit 3.1 hereto and incorporated herein by reference."}