MIAX

Financial Services

MIAMI INTERNATIONAL HOLDINGS, INC.

$38.33+0.24 (+0.63%)

Prev Close

$38.09

Open

$38.53

High

$38.92

Low

$38.10

Volume

575.2K

Market Cap

$3.75B

P/E

—

Div Yield

—

Over the past 12 months, insider activity at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) has been dominated by selling, with 2 insider purchases totaling $934.8K and 5 insider sales totaling $14.49M. The most recent insider transaction was by STAHL MURRAY (director), who purchased $310.2K worth of shares on Mar 6, 2026. MIAMI INTERNATIONAL HOLDINGS, INC. operates in the Financial Services sector, within the Financial - Capital Markets industry, with a market cap of $3.75B.

Buys (12M)

$934.8K

Sells (12M)

$14.49M

Net Activity

Net Seller

$13.56M

Active Insiders

last 12 mo

MIAX Price Chart

MIAX Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 6, 2026↗	STAHL MURRAY	director	Buy	7,200	$43.08	$310.2K	4,633,840
Mar 6, 2026↗	STAHL MURRAY	director	Sell	53,578	$40.92	$2.19M	4,619,440
Mar 5, 2026↗	STAHL MURRAY	director	Buy	14,400	$43.38	$624.7K	4,696,670
Mar 4, 2026↗	STAHL MURRAY	director	Sell	242,108	$40.92	$9.91M	4,689,470
Feb 18, 2026↗	Brown Shelly	EVP, Chief Strategy Officer	Sell	19,902	$40.89	$813.8K	0
Feb 18, 2026↗	Deitzel Edward	EVP, CRO, CCO MIAX Exchanges	Sell	6,035	$40.89	$246.8K	0
Feb 18, 2026↗	Schafer Douglas M. JR	EVP and CIO	Sell	32,565	$40.89	$1.33M	0

MIAX Insider Buying Activity

The following table shows recent insider purchases of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 6, 2026↗	STAHL MURRAY	director	Buy	7,200	$43.08	$310.2K	4,633,840
Mar 5, 2026↗	STAHL MURRAY	director	Buy	14,400	$43.38	$624.7K	4,696,670

MIAX Insider Selling Activity

The following table shows recent insider sales of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 6, 2026↗	STAHL MURRAY	director	Sell	53,578	$40.92	$2.19M	4,619,440
Mar 4, 2026↗	STAHL MURRAY	director	Sell	242,108	$40.92	$9.91M	4,689,470
Feb 18, 2026↗	Brown Shelly	EVP, Chief Strategy Officer	Sell	19,902	$40.89	$813.8K	0
Feb 18, 2026↗	Deitzel Edward	EVP, CRO, CCO MIAX Exchanges	Sell	6,035	$40.89	$246.8K	0
Feb 18, 2026↗	Schafer Douglas M. JR	EVP and CIO	Sell	32,565	$40.89	$1.33M	0