Quantumsphere Acquisition Corporation Announces Closing of $82,800,000 Initial Public Offering, Including Full Exercise of Underwriters’ Over-Allotment Option

Group 1 - Quantumsphere Acquisition Corporation has successfully closed its initial public offering (IPO) of 8,280,000 units at a price of $10.00 per unit, including the full exercise of the underwriters' over-allotment option for an additional 1,080,000 units [1] - Each unit consists of one ordinary share and one right, with each right entitling the holder to receive one-seventh (1/7) of one ordinary share upon the consummation of an initial business combination [1] - The units began trading on the Nasdaq Global Market under the ticker symbol "QUMSU" on August 6, 2025, with ordinary shares and rights expected to be listed under the symbols "QUMS" and "QUMSR," respectively, once they begin separate trading [2] Group 2 - The registration statement for these securities was declared effective by the Securities and Exchange Commission on August 5, 2025, and the offering was made only by means of a prospectus [3] - Quantumsphere Acquisition Corporation is a blank check company formed to effect a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses, without limitations on industry or geographic region [5]