Gallagher Thomas P. sold MIAX

April 15, 2026 · Form 4 insider transaction

Gallagher Thomas P. sold 49,900 shares of Miami International Holdings, Inc. at $43.68 per share, a transaction worth $2.18M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
49,900
Price
$43.68
Total value
$2.18M
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateApril 15, 2026
Filing dateApril 17, 2026
Shares owned after485,963
OwnershipDirect
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.; This transaction was executed in multiple trades throughout the day at prices ranging from $42.57 to $44.41. 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.; Includes 12,000 shares of common stock, which are held jointly with the Reporting Person's spouse with right of survival.

View the original Form 4 on SEC EDGAR