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Home/Companies/Miami International Holdings, Inc.

Miami International Holdings, Inc.

394 insider trades tracked

MIAX
Insider trades
394
Bought (open market)
$2.8M
Sold (open market)
$79.3M
Acquired (grants)
$4.9M
Unique insiders
26

12-month activity

Monthly insider buy vs sell totals for Miami International Holdings, Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
November 2025$0$00
December 2025$100K$07
January 2026$0$00
February 2026$0$05
March 2026$623K$9.4M28
April 2026$0$12.5M18
May 2026$0$10.6M20
June 2026$0$9.5M85
July 2026$0$12.8M28
August 2026$0$15.9M20
September 2026$0$7.4M18
October 2026$0$1.3M2

Recent insider trades

Most recent Form 4 filings for Miami International Holdings, Inc..

  • Schafer Douglas M. JRsold40,000 shares ofMIAXat $33.34$1.3MOct 2 · filed Oct 6Details
  • Schafer Douglas M. JRexercised40,000 shares ofMIAXat $12$480KOct 2 · filed Oct 6Details
  • Jayabalan Harishexercised8,333 shares ofMIAXat $12$100KSep 25

Insiders at this company

Executives and directors who have filed Form 4s.

  • Gallagher Thomas P.47 trades
  • Brown Shelly43 trades
  • Deitzel Edward41 trades
  • Jayabalan Harish33 trades
  • Comly Barbara J.32 trades
  • Schafer Douglas M. JR31 trades
  • Teekell Judson Gray22 trades
  • Eckert Kurt M.21 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
· filed Sep 29
Details
  • Brown Shellysold21,217 shares ofMIAXat $38.61$819KSep 16 · filed Sep 17Details
  • Brown Shellytax-withheld16,283 shares ofMIAXat $42.54$693KSep 11Details
  • Gallagher Thomas P.exercised4,464 shares ofMIAXat $22.4$100KSep 3 · filed Sep 4Details
  • Gallagher Thomas P.exercised13,140 shares ofMIAXat $15.22$200KSep 3 · filed Sep 4Details
  • Gallagher Thomas P.exercised8,333 shares ofMIAXat $12$100KSep 3 · filed Sep 4Details
  • Gallagher Thomas P.exercised16,666 shares ofMIAXat $12$200KSep 3 · filed Sep 4Details
  • Gallagher Thomas P.sold47,000 shares ofMIAXat $42.43$2MSep 3 · filed Sep 4Details
  • Gallagher Thomas P.exercised47,000 shares ofMIAXat $12$564KSep 3 · filed Sep 4Details
  • Deitzel Edwardsold11,000 shares ofMIAXat $42.21$464KSep 3 · filed Sep 4Details
  • Deitzel Edwardexercised11,000 shares ofMIAXat $12$132KSep 3 · filed Sep 4Details
  • Teekell Judson Graysold3,000 shares ofMIAXat $40.89$123KSep 2 · filed Sep 4Details
  • Teekell Judson Graysold5,545 shares ofMIAXat $41.58$231KSep 2 · filed Sep 4Details
  • Comly Barbara J.sold44,445 shares ofMIAXat $40.49$1.8MSep 2 · filed Sep 4Details
  • Comly Barbara J.exercised44,445 shares ofMIAXat $12$533KSep 2 · filed Sep 4Details
  • Schafer Douglas M. JRsold48,000 shares ofMIAXat $40.48$1.9MSep 2 · filed Sep 4Details
  • Schafer Douglas M. JRexercised4,666 shares ofMIAXat $12$56KSep 2 · filed Sep 4Details
  • Schafer Douglas M. JRexercised43,334 shares ofMIAXat $12$520KSep 2 · filed Sep 4Details
  • Gallagher Thomas P.sold149,700 shares ofMIAXat $41.13$6.2MAug 19 · filed Aug 20Details
  • Comly Barbara J.tax-withheld43,420 shares ofMIAXat $42.41$1.8MAug 18 · filed Aug 20Details
  • Gallagher Thomas P.tax-withheld150,300 shares ofMIAXat $42.41$6.4MAug 18 · filed Aug 20Details
  • Schwarzkopf Cynthiasold5,000 shares ofMIAXat $42.85$214KAug 17 · filed Aug 19Details
  • Schwarzkopf Cynthiaexercised5,000 shares ofMIAXat $12$60KAug 17 · filed Aug 19Details
  • Emmons Lancesold35,000 shares ofMIAXat $42.83$1.5MAug 17 · filed Aug 19Details
  • Schafer Douglas M. JRsold48,000 shares ofMIAXat $45.71$2.2MAug 4 · filed Aug 6Details
  • Schafer Douglas M. JRexercised48,000 shares ofMIAXat $12$576KAug 4 · filed Aug 6Details
  • Teekell Judson Graysold3,000 shares ofMIAXat $45.79$137KAug 4 · filed Aug 6Details
  • Deitzel Edwardsold11,000 shares ofMIAXat $45.78$504KAug 4 · filed Aug 6Details
  • View all trades for MIAX →
    Smollen John
    20 trades
  • Schwarzkopf Cynthia17 trades
  • Emmons Lance16 trades
  • STAHL MURRAY13 trades
  • Stahlin Paul12 trades
  • Raymond Mark F.8 trades
  • BROWN DAVID A7 trades
  • Massad Mark I.6 trades
  • Lozier Kenneth W.4 trades
  • Beckelman John4 trades
  • Moore Lisa3 trades
  • Vermaas Cees3 trades