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Keystone Acquisition Corp. Concludes Initial Public Offering, Exceeding Expectations

Keystone Acquisition Corporation has successfully finalized its initial public offering, raising a substantial amount that surpassed original targets due to strong investor interest. The special purpose acquisition company (SPAC) announced the closure of the offering following the exercise of an over-allotment option.

6/19/2026, 4:00:31 AM

Keystone Acquisition Corporation has officially completed its initial public offering, with the transaction closing on November 22, 2021. The firm, a special purpose acquisition company, or SPAC, successfully secured a total of $287.5 million through the offering. This figure includes the funds generated from the full exercise of the underwriters’ over-allotment option. According to Investing.com, the IPO involved the sale of 25,000,000 units at a price of $10.00 each. Each of these units consists of one share of Class A common stock and one-half of a redeemable warrant. A full warrant allows the holder to purchase one share of Class A common stock at a price of $11.50. Citigroup served as the sole book-running manager for this offering. The underwriters also had a 45-day option to acquire up to an additional 3,750,000 units to cover any over-allotments, which they fully exercised. This additional purchase contributed significantly to the total capital raised, underscoring robust market demand for Keystone Acquisition Corporation's units. The Class A common stock and warrants for Keystone Acquisition Corporation are now trading on the Nasdaq Capital Market. The common stock is listed under the ticker symbol "KACMU" and the warrants are traded under "KACMW". This move marks Keystone Acquisition Corporation's formal entry into the public market, providing it with capital for future business combinations. SPACs like Keystone Acquisition Corporation are formed with the purpose of raising capital through an IPO to acquire an existing company. They offer a different path for private companies to go public, often seen as an alternative to traditional IPOs. The successful completion of this offering provides Keystone Acquisition Corporation with significant resources to pursue its acquisition strategy, aiming to merge with a suitable target company in the near future.

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