Schafer Douglas M. JR sold MIAX

October 2, 2026 · Form 4 insider transaction

Schafer Douglas M. JR sold 40,000 shares of Miami International Holdings, Inc. at $33.34 per share, a transaction worth $1.33M. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 4 days after the transaction.

Direction
Disposed (sell-side)
Shares
40,000
Price
$33.34
Total value
$1.33M
Role—
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateOctober 2, 2026
Filing dateOctober 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 $32.91 to $33.97. 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
Schafer Douglas M. JR sold MIAX: October 2, 2026 | Insider Trading Screener