Keystone Acquisition Corp completed its $287.5 million IPO of 28.75 million units on June 4, including 3.75 million units from underwriters’ overallotment, and will allow holders to separately trade Class A shares and warrants starting June 22, 2026. Unseparated units will remain under KEYYU, with shares under KEYY and warrants under KEYYW.
Keystone Acquisition Corp will allow holders of the 28.75 million units sold on June 4, including 3.75 million overallotment units, to elect separate trading of Class A ordinary shares and warrants starting June 22, 2026.
Unseparated units will continue trading under KEYYU on the Nasdaq Global Market, while separated Class A shares and warrants will trade under symbols KEYY and KEYYW respectively; brokers must contact transfer agent Efficiency INC. to process separations.
The company’s initial public offering raised proceeds from 28,750,000 units, and a registration statement became effective under Section 8(a) of the Securities Act of 1933, enabling the separate trading structure.
