Schafer Douglas M. JR sold MIAX

August 4, 2026 · Form 4 insider transaction

Schafer Douglas M. JR sold 48,000 shares of Miami International Holdings, Inc. at $45.71 per share, a transaction worth $2.19M. 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
48,000
Price
$45.71
Total value
$2.19M
Role
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateAugust 4, 2026
Filing dateAugust 6, 2026
Shares owned after387,414
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 16, 2025.; This transaction was executed in multiple trades throughout the day at prices ranging from $45.09 to $46.78. 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