Gallagher Thomas P. bought MIAX

July 6, 2026 · Form 4 insider transaction

Gallagher Thomas P. bought 41,772 shares of Miami International Holdings, Inc. at $12.00 per share, a transaction worth $501.3K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 1 day after the transaction.

Direction
Acquired (buy-side)
Shares
41,772
Price
$12.00
Total value
$501.3K
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJuly 6, 2026
Filing dateJuly 7, 2026
Shares owned after1,765,047
OwnershipIndirect
10b5-1 planYes
AmendedNo

Footnotes

This transaction was effected pursuant to a previously established Rule 10b5-1 Plan adopted by the Reporting Person on December 29, 2025.; Mr. Gallagher maintains beneficial ownership, including dispositive and voting control, over Gallagher Investments, LLC.

View the original Form 4 on SEC EDGAR