March 17, 2026 · Form 4 insider transaction
Schafer Douglas M. JR sold 48,000 shares of Miami International Holdings, Inc. at $39.74 per share, a transaction worth $1.91M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.
This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the reporting person on December 16, 2025.; This transaction was executed in multiple trades throughout the day at prices ranging from $39.51 to $39.94. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the Securities and Exchange Commission staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.