David A. Brown, Miami International Holdings tax withholding

Director, SEC Form 4, filed on July 9, 2026
SEC filingMIAX insider historyMIAX stock page
−171 sharesnet change in holding. Not an open-market purchase or sale
Transaction date
July 8, 2026
Shares held after
7,066Direct ownership
Change in holding
−2.36%From the transactions in the filing
Filing rows
1None is a purchase or sale

Price context

MIAX daily close, Mar 10 to October 26, 2026
$56.84$29.55
Daily close
Grants, options, tax
Transaction price
Not reportedNot an open-market trade
Close on trade date
$41.86July 8, 2026
Latest close
$33.16October 26, 2026
Since the trade
−20.78%vs the close on trade date

Transactions in the filing

DateTransactionSecuritySharesPriceAmountAfter
Tax withholding
Common stockDirect
171
$43.72
$7,476
7,066

Recent filings at Miami International Holdings

Full history
PersonTransactionAmount or sharesDate
Barbara J. ComlyVice president
SaleOption exercise
$431,202
Douglas M. Schafer Jr.CIO
SaleOption exercise
$280,480
Douglas M. Schafer Jr.CIO
SaleOption exercise
$1.33 million
Harish JayabalanVice president
Option exercise
+8,333 shares
Shelly BrownChief strategy officer
Sale
$819,188
Shelly BrownChief strategy officer
Tax withholding
−16,283 shares
Thomas P. GallagherCEO and chair
SaleOption exercise
$1.99 million
Edward DeitzelVice president
SaleOption exercise
$464,310