Every material Form 8-K Keystone Acquisition Corp. has filed with the SEC since June 08, 2026, read and summarized by AI: what happened, the key figures, whether it reads positive or negative for shareholders, and how big a deal it is (impact 1-5). Newest first; each brief links to its own page and to the filing on SEC.gov.
Keystone Acquisition Corp., a blank check company, said holders of its units may separately trade Class A ordinary shares and warrants starting on or about June 22, 2026. Units not separated will keep trading under KEYYU, while the shares and warrants will trade under KEYY and KEYYW. The filing is administrative and does not describe a business combination or change in the company's financial position.
Separate trading of Class A ordinary shares and warrants begins on or about June 22, 2026.
Each unit consists of one Class A ordinary share and one-half of one redeemable warrant.
The initial public offering of 28,750,000 units, including 3,750,000 units from full exercise of the overallotment option, was completed on June 4, 2026.
Holders must have their brokers contact Efficiency INC., the transfer agent, to separate units.
Keystone Acquisition Corp., a blank check company, completed its initial public offering on June 4, 2026, selling 28,750,000 units at $10.00 each for gross proceeds of $287.5 million. The filing also includes an audited June 4 balance sheet showing $288.2 million held in a U.S. trust account, which will be returned to public shareholders if the company does not complete a business combination, so shareholders' funds are now held in trust pending a deal.
IPO closed June 4, 2026: 28,750,000 units at $10.00 per unit, including 3,750,000 units from the full exercise of the underwriters' over-allotment option.
Private placement of 8,468,750 warrants at $1.00 each raised $8.5 million, with the sponsor buying 5,593,750 warrants.
$288,218,750 ($10.025 per unit) was placed in a U.S. trust account with Efficiency INC. as trustee.
The company has until 21 months from the IPO closing to complete a business combination; transaction costs totaled $17.9 million.
Keystone Acquisition Corp., a blank check company, closed its initial public offering of 28,750,000 units on June 4, 2026, including the full exercise of the underwriters' over-allotment option, for gross proceeds of $287.5 million. It also sold 8,468,750 private placement warrants for $8,468,750, and $288,218,750 was placed in a trust account.
The company has no operating business yet. Trust funds stay in the account until a business combination is completed or public shares are redeemed, which can occur if no combination is completed within 21 months of the IPO closing.
Trust account holds $288,218,750, or $10.025 per unit sold in the public offering.
Private placement of 8,468,750 warrants at $1.00 each; the sponsor bought 5,593,750 warrants.
Speaker John A. Boehner, Paul Y. Cho and Martin Payne were appointed independent directors on June 2, 2026, and received 40,000, 35,000 and 25,000 Class B ordinary shares, respectively.
Trust funds are released only on a business combination or, if none is completed within 21 months, redemption of public shares.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.
Only material 8-Ks get a brief: results, deals, executive changes, restructuring, impairments, delisting notices, restatements, cybersecurity incidents and other disclosed events. Routine filings (vote results, exhibits only) are skipped. Every Keystone Acquisition Corp. filing is on SEC EDGAR ↗. 8-K briefs of other companies →