secwatch.observer — SEC 8-K summary ====================================== Issuer: Keystone Acquisition Corp. (KEYY) CIK: 0002102771 Form: 8-K Filed at: 2026-06-18T16:18:24+00:00 Accession: 0001213900-26-069960 Event type: other Sentiment: neutral Materiality: 0.10 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Keystone Acquisition Corp. announces separate trading of Class A shares and warrants starting June 22, 2026 -------------------------------------------------------------------------------- - Holders of 28,750,000 units (including overallotment) from IPO completed June 4, 2026 may elect separate trading. - Separate trading of Class A ordinary shares (KEYY) and warrants (KEYYW) begins on or about June 22, 2026. - Units not separated continue trading under KEYYU on Nasdaq; no fractional warrants will be issued. - Holders must contact transfer agent Efficiency INC. to separate units into shares and warrants. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2102771/000121390026069960/0001213900-26-069960-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2102771/000121390026069960/ea0295290-8k_keystone.htm HTML page: https://secwatch.observer/filing/0001213900-26-069960 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer