Miami International Holdings Announces Closing of Secondary Public Offering of Common Stock

Core Viewpoint - Miami International Holdings, Inc. successfully closed a secondary public offering of 7,762,500 shares of its common stock, including 1,012,500 shares from the underwriters' full exercise of their option to purchase additional shares at a public price of $41.00 per share [1] Group 1: Offering Details - The offering consisted entirely of secondary shares, including shares issued upon the exercise of warrants sold by certain selling stockholders of MIAX [1] - The company did not sell any shares of common stock in the offering and did not receive any proceeds from it [2] - J.P. Morgan, Morgan Stanley, and Piper Sandler acted as lead joint bookrunning managers for the offering, with additional support from Raymond James, Rosenblatt, William Blair, and Keefe, Bruyette & Woods [2] Group 2: Regulatory Information - A registration statement relating to these securities was filed with the Securities and Exchange Commission (SEC) and was declared effective on December 11, 2025 [3] - The offering was made only by means of a prospectus, which can be obtained for free from the SEC website or directly from the lead managers [3] Group 3: Company Overview - Miami International Holdings, Inc. is a technology-driven leader in building and operating regulated financial markets across multiple asset classes and geographies [4] - The company operates nine exchanges, including MIAX Options, MIAX Pearl, MIAX Emerald, MIAX Sapphire, MIAX Pearl Equities, MIAX Futures, MIAXdx, The Bermuda Stock Exchange, and The International Stock Exchange [4] - MIAX also owns Dorman Trading, a full-service Futures Commission Merchant [4]