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Home/Companies/Miami International Holdings, Inc.

Miami International Holdings, Inc.

374 insider trades tracked

MIAX
Insider trades
374
Bought (open market)
$2.8M
Sold (open market)
$70.6M
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
October 2025$84$01
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$00

Recent insider trades

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

  • 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$6.4M

Insiders at this company

Executives and directors who have filed Form 4s.

  • Gallagher Thomas P.41 trades
  • Brown Shelly41 trades
  • Deitzel Edward39 trades
  • Jayabalan Harish32 trades
  • Comly Barbara J.30 trades
  • Schafer Douglas M. JR26 trades
  • Eckert Kurt M.21 trades
  • Smollen John20 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
Aug 18
· filed Aug 20
Details
  • 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
  • Deitzel Edwardexercised11,000 shares ofMIAXat $12$132KAug 4 · filed Aug 6Details
  • Eckert Kurt M.sold1,063 shares ofMIAXat $45.8$49KAug 4 · filed Aug 6Details
  • Eckert Kurt M.exercised1,063 shares ofMIAXat $12$13KAug 4 · filed Aug 6Details
  • Jayabalan Harishsold20,000 shares ofMIAXat $45.9$918KAug 4 · filed Aug 6Details
  • Jayabalan Harishexercised5,832 shares ofMIAXat $15.22$89KAug 4 · filed Aug 6Details
  • Jayabalan Harishexercised14,168 shares ofMIAXat $12$170KAug 4 · filed Aug 6Details
  • Gallagher Thomas P.sold48,334 shares ofMIAXat $45.69$2.2MAug 4 · filed Aug 6Details
  • Gallagher Thomas P.exercised48,334 shares ofMIAXat $12$580KAug 4 · filed Aug 6Details
  • Comly Barbara J.sold44,445 shares ofMIAXat $45.69$2MAug 4 · filed Aug 6Details
  • Comly Barbara J.exercised44,445 shares ofMIAXat $12$533KAug 4 · filed Aug 6Details
  • Schwarzkopf Cynthiasold5,000 shares ofMIAXat $42$210KJul 15 · filed Jul 16Details
  • Schwarzkopf Cynthiaexercised5,000 shares ofMIAXat $12$60KJul 15 · filed Jul 16Details
  • Comly Barbara J.sold28,000 shares ofMIAXat $41.98$1.2MJul 13 · filed Jul 14Details
  • Comly Barbara J.exercised28,000 shares ofMIAXat $12$336KJul 13 · filed Jul 14Details
  • Gallagher Thomas P.sold70,000 shares ofMIAXat $42.52$3MJul 13 · filed Jul 14Details
  • Gallagher Thomas P.exercised70,000 shares ofMIAXat $12$840KJul 13 · filed Jul 14Details
  • BROWN DAVID Atax-withheld171 shares ofMIAXat $43.72$7KJul 8 · filed Jul 9Details
  • Gallagher Thomas P.sold28,228 shares ofMIAXat $42.27$1.2MJul 7Details
  • Gallagher Thomas P.exercised28,228 shares ofMIAXat $12$339KJul 7Details
  • Gallagher Thomas P.sold41,772 shares ofMIAXat $42.09$1.8MJul 6 · filed Jul 7Details
  • View all trades for MIAX →
    Teekell Judson Gray
    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