Miami International Hldgs Insider Trading Activity | NYSE:MIAX | Benzinga

Track the latest Miami International Hldgs insider trading activity. Stay informed on recent buys, sells, and market impact for Miami International Hldgs stock.

What is Insider Activity?

Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.

What are Miami International Holdings Inc Insiders Doing?

At Miami International Holdings Inc, recent insider activity has drawn attention. Over the last 30 days, insiders have report no sales in the last 30 days, meanwhile, insiders have reported buying a total of 2.44K shares for a total value of $100.00K.

Notable Recent Insider Buys and Sales

On September 30, 2025, MURRAY STAHL, HORIZON KINETICS ASSET MANAGEMENT LLC, the company's DIRECTOR purchased 34.47K shares for $36.1 each.
On December 15, 2025, MURRAY STAHL, HORIZON KINETICS ASSET MANAGEMENT LLC, the company's DIRECTOR purchased 2.44K shares for $41 each.
On September 30, 2025, MURRAY STAHL, HORIZON KINETICS ASSET MANAGEMENT LLC, the company's DIRECTOR purchased 4 shares for $41.76 each.

Ownership Statistics for Miami International Holdings Inc

Shares Outstanding

81.435M

Insider Shares Owned

3.132M

Insider Percentage Owned

3.88%

Institutional Shares Held

11.715M

Institutional Percentage Held

14.4%


Dec 15, 2025	MURRAY STAHL HORIZON KINETICS ASSET MANAGEMENT LLC	DIRECTOR	2.44K	$41.00	$100.00K	BUY	0.05%	4.56M	Dec 12	View
Oct 06, 2025	MURRAY STAHL HORIZON KINETICS ASSET MANAGEMENT LLC	DIRECTOR	2.00	$41.97	$83.94	BUY	0.00%	4.56M	Oct 03	View
Sep 30, 2025	MURRAY STAHL HORIZON KINETICS ASSET MANAGEMENT LLC	DIRECTOR	4.00	$41.76	$167.04	BUY	0.00%	4.56M	Sep 26	View
Sep 30, 2025	MURRAY STAHL HORIZON KINETICS ASSET MANAGEMENT LLC	DIRECTOR	34.47K	$36.10	$1.24M	BUY	0.76%	4.56M	Aug 28	View
Aug 18, 2025	Lance Emmons	EVP AND CFO	57.65K	$31.44	$125.76	BUY	∞	4.00	Aug 14 - Aug 15	View
Aug 15, 2025	Lisa Moore	DIRECTOR	5.50K	$23.00	$126.50K	BUY	∞	5.50K	Aug 13	View
Aug 15, 2025	Harish Jayabalan	EVP, CISO AND CRO	2.50K	$23.00	$57.50K	BUY	63.40%	6.44K	Aug 13	View
Aug 15, 2025	Paul Stahlin	DIRECTOR	1.00K	$23.00	$23.00K	BUY	∞	1.00K	Aug 13	View
Aug 15, 2025	Jamil Nazarali	DIRECTOR	2.50K	$23.00	$57.50K	BUY	∞	2.50K	Aug 13	View
Aug 15, 2025	John Smollen	EVP TRADED PRODUCTS & RELATION	5.00K	$23.00	$115.00K	BUY	224.62%	7.23K	Aug 13	View
Aug 15, 2025	Edward Deitzel	EVP, CRO, CCO MIAX EXCHANGES	100.00	$23.00	$2.30K	BUY	0.31%	32.19K	Aug 13	View
Aug 15, 2025	Thomas Gallagher	CHAIRMAN & CEO	12.00K	$23.00	$276.00K	BUY	∞	12.00K	Aug 13	View
Aug 15, 2025	Kenneth Lozier	DIRECTOR	1.00K	$23.00	$23.00K	BUY	∞	1.00K	Aug 13	View
Aug 15, 2025	Mark Massad	DIRECTOR	8.00K	$23.00	$184.00K	BUY	∞	500.00	Aug 13	View

FAQ

Is insider trading legal?

Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.

What are some examples of market manipulation?

Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.

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