Are MIAX insiders buying or selling?

Over the last 90 days, MIAX insiders were net sellers, reporting $0.00 of open-market purchases and $25,330,089 of sales.

When was the last MIAX insider purchase?

No open-market insider purchase of MIAMI INTERNATIONAL HOLDINGS, INC. stock was reported in the last 90 days.

Where does MIAX insider trading data come from?

Watch Insiders reads the SEC Form 4 filings that MIAMI INTERNATIONAL HOLDINGS, INC. officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.

MIAXSector not reported

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) Insider Trading

In the last 90 days, 10 MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) insiders reported no open-market purchases and 19 sales totaling $25,330,089. Source: SEC Form 4 filings.

SEC-reported filing activity is provided for research purposes and is not investment advice.

90-day C-suite buyers: 0
90-day purchase value: $0.00
Corporate buyers: 0
Latest transaction: Oct 22, 2026

Executive filings

Open-market transaction history

Purchase and sale summaries are ordered by the latest reported transaction date.

Open-market insider purchase and sale transactions
Date	Insider name	Role	Type	Shares	Price	Total value
Oct 22, 2026	Barbara J. Comly	EVP, GC & Corporate Secretary	Sale	12,306	$35.04	$431,202
Oct 22, 2026	Douglas M. Schafer Jr	EVP and CIO	Sale	8,000	$35.06	$280,480
Oct 2, 2026	Douglas M. Schafer Jr	EVP and CIO	Sale	40,000	$33.34	$1,333,600
Sep 16, 2026	Shelly Brown	EVP, Chief Strategy Officer	Sale	21,217	$38.61	$819,188
Sep 3, 2026	Edward Deitzel	EVP, CRO, CCO MIAX Exchanges	Sale	11,000	$42.21	$464,310
Sep 3, 2026	Thomas P. Gallagher	Chairman & CEO	Sale	47,000	$42.43	$1,994,210
Sep 2, 2026	Barbara J. Comly	EVP, GC & Corporate Secretary	Sale	44,445	$40.49	$1,799,578
Sep 2, 2026	Douglas M. Schafer Jr	EVP and CIO	Sale	48,000	$40.48	$1,943,040
Sep 2, 2026	Judson Gray Teekell	Corporate insider	Sale	8,545	$41.34	$353,232
Aug 19, 2026	Thomas P. Gallagher	Chairman & CEO	Sale	149,700	$41.13	$6,157,161
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Common questions

MIAX insider trading FAQ

Are MIAX insiders buying or selling?: Over the last 90 days, MIAX insiders were net sellers, reporting $0.00 of open-market purchases and $25,330,089 of sales.
When was the last MIAX insider purchase?: No open-market insider purchase of MIAMI INTERNATIONAL HOLDINGS, INC. stock was reported in the last 90 days.
Where does MIAX insider trading data come from?: Watch Insiders reads the SEC Form 4 filings that MIAMI INTERNATIONAL HOLDINGS, INC. officers, directors, and 10% owners submit to EDGAR, and refreshes this page daily.