UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
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Item 8.01. Other Events.
On June 18, 2026, Keystone Acquisition Corp. (the “Company”) issued a press release, a copy of which is attached as Exhibit 99.1 to this Current Report on Form 8-K, announcing that the holders of the Company’s units (the “Units”) may elect to separately trade the Class A ordinary shares, par value $0.0001 per share (the “Class A Ordinary Shares”), and warrants (the “Warrants”) included 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 Warrant to purchase one Class A Ordinary Share. Any Units not separated will continue to trade on The Nasdaq Global Market under the symbol “KEYYU”, and the Class A Ordinary Shares and Warrants will separately trade on The Nasdaq Global Market under the symbols “KEYY” and “KEYYW,” respectively. No fractional Warrants will be issued upon separation of the Units and only whole Warrants will trade. Holders of Units will need to have their brokers contact Efficiency INC., the Company’s transfer agent, in order to separate the Units into Class A Ordinary Shares and Warrants.
Item 9.01 Financial Statements and Exhibits.
(d) Exhibits
EXHIBIT INDEX
| Exhibit No. | Description | |
| 99.1 | Press Release, dated June 18, 2026 | |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |
1
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| KEYSTONE ACQUISITION CORP. | |||
| By: | /s/ Richard Chin | ||
| Name: | Richard Chin | ||
| Title: | Chief Executive Officer | ||
| Dated: June 18, 2026 | |||
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Exhibit 99.1
Keystone Acquisition Corp. Announces the Separate Trading of its Class A Ordinary Shares and Warrants, Commencing on or about June 22, 2026.
New York, New York, June 18, 2026 (GLOBE NEWSWIRE) -- Keystone Acquisition Corp. (Nasdaq: KEYYU) (the “Company”) announced that holders of the units sold in the Company’s initial public offering of 28,750,000 units, which includes 3,750,000 units issued pursuant to the exercise by the underwriters of their overallotment option in full, completed on June 4, 2026 (the “Offering”), may elect to separately trade the Class A ordinary shares and warrants included in the units commencing on or about June 22, 2026. Any units not separated will continue to trade on The Nasdaq Global Market under the symbol “KEYYU,” and each of the Class A ordinary shares and warrants will separately trade on The Nasdaq Global Market under the symbols “KEYY” and “KEYYW,” respectively. No fractional warrants will be issued upon separation of the units and only whole warrants will trade. Holders of units will need to have their brokers contact Efficiency INC., the Company’s transfer agent, in order to separate the units into Class A ordinary shares and warrants.
A registration statement relating to these securities has become effective pursuant to Section 8(a) of the Securities Act of 1933, as amended. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.
Cautionary Note Concerning Forward-Looking Statements
This press release contains statements that constitute “forward-looking statements,” including with respect to the Company’s search for an initial business combination. Forward-looking statements are subject to numerous conditions, many of which are beyond the control of the Company, including those set forth in the Risk Factors section of the Company’s registration statement for the initial public offering filed with the SEC. Copies are available on the SEC’s website, www.sec.gov. The Company undertakes no obligation to update these statements for revisions or changes after the date of this release, except as required by law.
About Keystone Acquisition Corp.
Keystone Acquisition Corp. is a blank check company formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses. While the Company may pursue an initial business combination in any sector or geographic region, it intends initially to focus on opportunities and companies that sit within high growth sectors related to innovation in United States industrial development, with an emphasis on energy transition & critical minerals, shipbuilding & maritime engineering, semiconductors & advanced electronics, digital infrastructure & data centers, and digital assets & crypto treasuries.
Contact
Jake Cho
Chief Financial Officer
Keystone Acquisition Corp.
[email protected]