MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) insider trading

By person

26 insiders · 90 transactions

56.1×

Thomas P. Gallagher holds 56.1 times base salary in stock. $140.27M of shares against $2.50M in salary for 2025.

Salary from the company's own proxy. The shares are what Thomas P. Gallagher last reported holding, valued at $38.61, the price Common Stock was last bought or sold at on the open market here, on 16 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Gallagher Thomas P.

Chairman & CEO

—

$32.30M (12) scheduled

−$32.30M

3,633,092

3.66%

$140.27M

+9.1%

Schafer Douglas M. JR

EVP and CIO

—

$12.35M (6) scheduled

−$12.35M

387,414

0.3904%

$14.96M

+158.3%

Comly Barbara J.

EVP, GC & Corporate Secretary

—

$9.98M (7) scheduled

−$9.98M

839,564

0.8461%

$32.42M

−3.4%

Brown Shelly

EVP, Chief Strategy Officer

—

$4.98M (9) scheduled

−$4.98M

316,490

0.3189%

$12.22M

+127.8%

STAHL MURRAY

Director

$722.76K (5)

$4.95M (1) scheduled

−$4.23M

4,633,842

4.67%

$178.91M

+4.1%

Emmons Lance

EVP and CFO

—

$3.47M (2) scheduled

−$3.47M

86,542

0.0872%

$3.34M

+137.0%

Deitzel Edward

EVP, CRO, CCO MIAX Exchanges

—

$2.93M (8) scheduled

−$2.93M

119,601

0.1205%

$4.62M

+272.7%

Jayabalan Harish

EVP, CISO and CRO

—

$2.56M (4) scheduled

−$2.56M

78,065

0.0787%

$3.01M

+1,880%

Eckert Kurt M.

Director

—

$2.22M (5) scheduled

−$2.22M

149,612

0.1508%

$5.78M

+24.2%

Schwarzkopf Cynthia

Director

—

$1.24M (3) scheduled

−$1.24M

88,545

0.0892%

$3.42M

—

Teekell Judson Gray

Director

—

$1.00M (8) scheduled

−$1.00M

236,796

0.2386%

$9.14M

+123.3%

Al-Bahar Talal Jassim

Director

—

3,658,187

3.69%

$141.24M

+7.2%

HORIZON KINETICS ASSET MANAGEMENT LLC entity

10% owner

—

2,170,898

2.19%

$83.82M

−53.1%

Smollen John

EVP, New Product Development

—

269,878

0.2720%

$10.42M

—

Raymond Mark F.

Director

—

67,064

0.0676%

$2.59M

—

Stahlin Paul

Director

—

42,143

0.0425%

$1.63M

—

Beckelman John

Director

—

15,904

0.0160%

$614.05K

—

Moore Lisa

Director

—

12,737

0.0128%

$491.78K

—

Massad Mark I.

Director

—

11,237

0.0113%

$433.86K

—

Lozier Kenneth W.

Director

—

8,237

0.0083%

$318.03K

—

BROWN DAVID A

Director

—

7,066

0.0071%

$272.82K

—

Sommers Jill E.

Director

—

6,083

0.0061%

$234.86K

—

Sites Eric

Director

—

5,684

0.0057%

$219.46K

—

Vermaas Cees

CEO of TISEG

—

4,660

0.0047%

$179.92K

—

Nazarali Jamil

Director

—

2,500

0.0025%

$96.53K

—

Becker Lee

Director

—

2,267

0.0023%

$87.53K

—

MIAMI INTERNATIONAL HOLDINGS, INC.

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