Brown Shelly sold MIAX

September 16, 2026 · Form 4 insider transaction

Brown Shelly sold 21,217 shares of Miami International Holdings, Inc. at $38.61 per share, a transaction worth $819.2K. 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.

Direction
Disposed (sell-side)
Shares
21,217
Price
$38.61
Total value
$819.2K
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateSeptember 16, 2026
Filing dateSeptember 17, 2026
Shares owned after316,490
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 22, 2025.; This transaction was executed in multiple trades throughout the day at prices ranging from $37.84 to $39.56. The price reported above reflects the weighted average sales 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.

View the original Form 4 on SEC EDGAR