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M

MIAX

NYSE

MIAMI INTERNATIONAL HOLDINGS, INC.

Latest disclosureOctober 6, 2026
Insider score Why 0?
0/ 100
Qualifying buys · 30d
$0

0 purchases · 64 sales

Price by TradingViewDelayed quote from TradingView, for viewing only. It does not power Whale Atlas scores or alerts. If the quote does not load, open the TradingView link.

Insider transactions 274

Limited filing history
All274Buying0Selling64Other210
Filters

Last 30 daysNo qualifying insider buying. Sales: $2.15M by 2 insiders.

64 of 274 trades · March 25, 2026 – October 2, 2026Incomplete history: this shows the filings imported so far, not every filing ever made. Dates are trade dates. Filters affect this table only.

Showing the first 6 of 20 trades on this page.

Sale disclosed

Douglas M. Schafer JR

EVP and CIO

Common Stock

Reported value
$1.33M
Reported price
$33.34 / share
Traded October 2, 2026Filed October 6, 2026SEC filing
Sale disclosed

Shelly Brown

EVP, Chief Strategy Officer

Common Stock

Reported value
$819.19K
Reported price
$38.61 / share
Traded September 16, 2026Filed September 17, 2026SEC filing
Sale disclosed

Thomas P. Gallagher

Chairman & CEO

Common Stock

Reported value
$1.99M
Reported price
$42.43 / share
Traded September 3, 2026Filed September 4, 2026SEC filing
Sale disclosed

Barbara J. Comly

EVP, GC & Corporate Secretary

Common Stock

Reported value
$1.8M
Reported price
$40.49 / share
Traded September 2, 2026Filed September 4, 2026SEC filing
Sale disclosed

Edward Deitzel

EVP, CRO, CCO MIAX Exchanges

Common Stock

Reported value
$464.31K
Reported price
$42.21 / share
Traded September 3, 2026Filed September 4, 2026SEC filing
Sale disclosed

Douglas M. Schafer JR

EVP and CIO

Common Stock

Reported value
$1.94M
Reported price
$40.48 / share
Traded September 2, 2026Filed September 4, 2026SEC filing
Sale disclosed

Judson Gray Teekell

Director

Common Stock

Reported value
$230.56K
Reported price
$41.58 / share
Traded September 2, 2026Filed September 4, 2026SEC filing
Sale disclosed

Judson Gray Teekell

Director

Common Stock

Reported value
$122.67K
Reported price
$40.89 / share
Traded September 2, 2026Filed September 4, 2026SEC filing
Sale disclosed

Thomas P. Gallagher

Chairman & CEO

Common Stock

Reported value
$6.16M
Reported price
$41.13 / share
Traded August 19, 2026Filed August 20, 2026SEC filing
Sale disclosed

Cynthia Schwarzkopf

Director

Common Stock

Reported value
$214.25K
Reported price
$42.85 / share
Traded August 17, 2026Filed August 19, 2026SEC filing
Sale disclosed

Lance Emmons

EVP and CFO

Common Stock

Reported value
$1.5M
Reported price
$42.83 / share
Traded August 17, 2026Filed August 19, 2026SEC filing
Sale disclosed

Kurt M. Eckert

Director

Common Stock

Reported value
$48.69K
Reported price
$45.80 / share
Traded August 4, 2026Filed August 6, 2026SEC filing
Sale disclosed

Judson Gray Teekell

Director

Common Stock

Reported value
$137.37K
Reported price
$45.79 / share
Traded August 4, 2026Filed August 6, 2026SEC filing
Sale disclosed

Harish Jayabalan

EVP, CISO and CRO

Common Stock

Reported value
$918K
Reported price
$45.90 / share
Traded August 4, 2026Filed August 6, 2026SEC filing
Sale disclosed

Barbara J. Comly

EVP, GC & Corporate Secretary

Common Stock

Reported value
$2.03M
Reported price
$45.69 / share
Traded August 4, 2026Filed August 6, 2026SEC filing
Sale disclosed

Edward Deitzel

EVP, CRO, CCO MIAX Exchanges

Common Stock

Reported value
$503.58K
Reported price
$45.78 / share
Traded August 4, 2026Filed August 6, 2026SEC filing
Sale disclosed

Douglas M. Schafer JR

EVP and CIO

Common Stock

Reported value
$2.19M
Reported price
$45.71 / share
Traded August 4, 2026Filed August 6, 2026SEC filing
Sale disclosed

Thomas P. Gallagher

Chairman & CEO

Common Stock

Reported value
$2.21M
Reported price
$45.69 / share
Traded August 4, 2026Filed August 6, 2026SEC filing
Sale disclosed

Cynthia Schwarzkopf

Director

Common Stock

Reported value
$210K
Reported price
$42.00 / share
Traded July 15, 2026Filed July 16, 2026SEC filing
Sale disclosed

Barbara J. Comly

EVP, GC & Corporate Secretary

Common Stock

Reported value
$1.18M
Reported price
$41.98 / share
Traded July 13, 2026Filed July 14, 2026SEC filing
Reporting insiderSecurity / transactionAmount / priceValueTraded / disclosedSource
EVP and CIOCommon StockSale10b5-140,000$33.34 / share$1.33MOct 2Filed Oct 6 · 4d laterSEC filing
EVP, Chief Strategy OfficerCommon StockSale10b5-121,217$38.61 / share$819.19KSep 16Filed Sep 17 · 1d laterSEC filing
Chairman & CEOCommon StockSale10b5-147,000$42.43 / share$1.99MSep 3Filed Sep 4 · 1d laterSEC filing
EVP, GC & Corporate SecretaryCommon StockSale10b5-144,445$40.49 / share$1.8MSep 2Filed Sep 4 · 2d laterSEC filing
EVP, CRO, CCO MIAX ExchangesCommon StockSale10b5-111,000$42.21 / share$464.31KSep 3Filed Sep 4 · 1d laterSEC filing
EVP and CIOCommon StockSale10b5-148,000$40.48 / share$1.94MSep 2Filed Sep 4 · 2d laterSEC filing
DirectorCommon StockSale10b5-12 trades8,545avg $41.34 / share$353.23KSep 2Filed Sep 4 · 2d later
2 filings
  • 5,545 @ $41.58 · $230.56KSEC filing
  • 3,000 @ $40.89 · $122.67KSEC filing
Chairman & CEOCommon StockSale10b5-1149,700$41.13 / share$6.16MAug 19Filed Aug 20 · 1d laterSEC filing
DirectorCommon StockSale10b5-15,000$42.85 / share$214.25KAug 17Filed Aug 19 · 2d laterSEC filing
EVP and CFOCommon StockSale10b5-135,000$42.83 / share$1.5MAug 17Filed Aug 19 · 2d laterSEC filing
DirectorCommon StockSale10b5-11,063$45.80 / share$48.69KAug 4Filed Aug 6 · 2d laterSEC filing
DirectorCommon StockSale10b5-13,000$45.79 / share$137.37KAug 4Filed Aug 6 · 2d laterSEC filing
EVP, CISO and CROCommon StockSale10b5-120,000$45.90 / share$918KAug 4Filed Aug 6 · 2d laterSEC filing
EVP, GC & Corporate SecretaryCommon StockSale10b5-144,445$45.69 / share$2.03MAug 4Filed Aug 6 · 2d laterSEC filing
EVP, CRO, CCO MIAX ExchangesCommon StockSale10b5-111,000$45.78 / share$503.58KAug 4Filed Aug 6 · 2d laterSEC filing
EVP and CIOCommon StockSale10b5-148,000$45.71 / share$2.19MAug 4Filed Aug 6 · 2d laterSEC filing
Chairman & CEOCommon StockSale10b5-148,334$45.69 / share$2.21MAug 4Filed Aug 6 · 2d laterSEC filing
DirectorCommon StockSale10b5-15,000$42.00 / share$210KJul 15Filed Jul 16 · 1d laterSEC filing
EVP, GC & Corporate SecretaryCommon StockSale10b5-128,000$41.98 / share$1.18MJul 13Filed Jul 14 · 1d laterSEC filing

Showing the latest 20 of 64 trades. Show all 64 trades

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Why this buying score?

No qualifying common-equity purchases

No eligible common-equity purchase is public by this cutoff within 180 transaction-date days. Other instruments, exercises and routine activity do not contribute purchase points.

+0 pts

This score describes qualifying insider purchases at issuer level. Read the methodology

Sources and coverage

Source
SEC EDGAR · Form 4
Issuer CIK
0001438472
Latest public acceptance
Oct 6, 2026, 09:28 PM UTC
Score calculated
Oct 7, 2026, 12:08 AM UTC
Parser
form4-parser-1.5
Classifier
form4-classifier-1.1
Scoring methodology
insider-experimental-1.1
Availability
Public filing time, not trade date

Open a transaction's SEC filing for the primary evidence. A code P may describe an open-market or private purchase; classification is not proof of intent.

Insider activity can have many explanations. Signal Strength is not a probability of profit or a recommendation to trade.

Limited filing history · Market-wide discovery does not establish complete company history. View coverage

Congress transactions 1

All Congress filings
Purchase disclosed

Miami International Holdings, Inc. Common Stock (MIAX) · Stock

The filing reports a purchase for the member.

Gilbert Cisneros official portraitGilbert CisnerosReporting House member
Reported amount
$15,001 – $50,000Reported range; exact amount not disclosed.
Trade date
March 20, 2026
Filed April 7, 2026 · 18d laterOriginal report