MIAMI INTERNATIONAL HOLDINGS, INC.

By person

26 insiders · 9 transactions

61.3×

Thomas P. Gallagher holds 61.3 times base salary in stock. $153.35M 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 $42.21, the price Common Stock was last bought or sold at on the open market here, on 3 Sep 2026.

Insider

Role

Bought

Sold

Net

Holding

Of company

Worth

Change

Gallagher Thomas P.

Chairman & CEO

—

$8.15M (2) scheduled

−$8.15M

3,633,092

3.66%

$153.35M

+9.1%

Schafer Douglas M. JR

EVP and CIO

—

$1.94M (1) scheduled

−$1.94M

387,414

0.3904%

$16.35M

+158.3%

Comly Barbara J.

EVP, GC & Corporate Secretary

—

$1.80M (1) scheduled

−$1.80M

839,564

0.8461%

$35.44M

−3.4%

Emmons Lance

EVP and CFO

—

$1.50M (1) scheduled

−$1.50M

86,542

0.0872%

$3.65M

+137.0%

Deitzel Edward

EVP, CRO, CCO MIAX Exchanges

—

$464.31K (1) scheduled

−$464.31K

119,601

0.1205%

$5.05M

+272.7%

Teekell Judson Gray

Director

—

$353.23K (2) scheduled

−$353.23K

236,796

0.2386%

$10.00M

+123.3%

Schwarzkopf Cynthia

Director

—

$214.25K (1) scheduled

−$214.25K

88,545

0.0892%

$3.74M

—

STAHL MURRAY

Director

—

4,633,842

4.67%

$195.59M

+4.1%

Al-Bahar Talal Jassim

Director

—

3,658,187

3.69%

$154.41M

+7.2%

HORIZON KINETICS ASSET MANAGEMENT LLC entity

10% owner

—

2,170,898

2.19%

$91.63M

−53.1%

Brown Shelly

EVP, Chief Strategy Officer

—

337,707

0.3403%

$14.25M

+143.0%

Smollen John

EVP, New Product Development

—

269,878

0.2720%

$11.39M

—

Eckert Kurt M.

Director

—

149,612

0.1508%

$6.32M

+24.2%

Jayabalan Harish

EVP, CISO and CRO

—

78,065

0.0787%

$3.30M

+1,880%

Raymond Mark F.

Director

—

67,064

0.0676%

$2.83M

—

Stahlin Paul

Director

—

42,143

0.0425%

$1.78M

—

Beckelman John

Director

—

15,904

0.0160%

$671.31K

—

Moore Lisa

Director

—

12,737

0.0128%

$537.63K

—

Massad Mark I.

Director

—

11,237

0.0113%

$474.31K

—

Lozier Kenneth W.

Director

—

8,237

0.0083%

$347.68K

—

BROWN DAVID A

Director

—

7,066

0.0071%

$298.26K

—

Sommers Jill E.

Director

—

6,083

0.0061%

$256.76K

—

Sites Eric

Director

—

5,684

0.0057%

$239.92K

—

Vermaas Cees

CEO of TISEG

—

4,660

0.0047%

$196.70K

—

Nazarali Jamil

Director

—

2,500

0.0025%

$105.53K

—

Becker Lee

Director

—

2,267

0.0023%

$95.69K

—

Individual transactions

Insider

Date

Role

Action

Price

Amount

Deitzel Edward

3 Sep 2026

EVP, CRO, CCO MIAX Exchanges

Sold after exercise

11,000

$42.21

$464.31K

Gallagher Thomas P.

3 Sep 2026

Chairman & CEO

Sold after exercise indirect

47,000

$42.43

$1.99M

Schafer Douglas M. JR

2 Sep 2026

EVP and CIO

Sold after exercise

48,000

$40.48

$1.94M

Comly Barbara J.

2 Sep 2026

EVP, GC & Corporate Secretary

Sold after exercise

44,445

$40.49

$1.80M

Schwarzkopf Cynthia

17 Aug 2026

Director

Sold after exercise

5,000

$42.85

$214.25K

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