DOUGLAS M. SCHAFER JR. plan to sell securities of Miami International Holdings, Inc. under Form 144

DOUGLAS M. SCHAFER JR. filed Form 144 to notify SEC of plan to sell 144000 units of Miami International Holdings, Inc. securities around 2026-07-02, with aggregate market value of $5,623,200.00. The total outstanding units is 94907086.0. The amount planned to be sold represents 0.15% of total outstanding units; Recent transactions in past 3 months include: On 06/02/2026, sold 48000 units for $2056401.60; On 05/04/2026, sold 48000 units for $2268052.80;