Gallagher Thomas P. bought MIAX
July 7, 2026 · Form 4 insider transaction
Gallagher Thomas P. bought 28,228 shares of Miami International Holdings, Inc. at $12.00 per share, a transaction worth $338.7K. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 0 days after the transaction.
Direction
Acquired (buy-side)
Shares
28,228
Price
$12.00
Total value
$338.7K
InsiderGallagher Thomas P.
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateJuly 7, 2026
Filing dateJuly 7, 2026
Shares owned after1,751,503
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.