MIAMI INTERNATIONAL HOLDINGS, INC.

By person

26 insiders · 89 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

—

$32.30M (12) scheduled

−$32.30M

3,633,092

3.66%

$153.35M

+9.1%

Schafer Douglas M. JR

EVP and CIO

—

$12.35M (6) scheduled

−$12.35M

387,414

0.3904%

$16.35M

+158.3%

Comly Barbara J.

EVP, GC & Corporate Secretary

—

$9.98M (7) scheduled

−$9.98M

839,564

0.8461%

$35.44M

−3.4%

STAHL MURRAY

Director

$722.76K (5)

$4.95M (1) scheduled

−$4.23M

4,633,842

4.67%

$195.59M

+4.1%

Brown Shelly

EVP, Chief Strategy Officer

—

$4.16M (8) scheduled

−$4.16M

337,707

0.3403%

$14.25M

+143.0%

Emmons Lance

EVP and CFO

—

$3.47M (2) scheduled

−$3.47M

86,542

0.0872%

$3.65M

+137.0%

Deitzel Edward

EVP, CRO, CCO MIAX Exchanges

—

$2.93M (8) scheduled

−$2.93M

119,601

0.1205%

$5.05M

+272.7%

Jayabalan Harish

EVP, CISO and CRO

—

$2.56M (4) scheduled

−$2.56M

78,065

0.0787%

$3.30M

+1,880%

Eckert Kurt M.

Director

—

$2.22M (5) scheduled

−$2.22M

149,612

0.1508%

$6.32M

+24.2%

Schwarzkopf Cynthia

Director

—

$1.24M (3) scheduled

−$1.24M

88,545

0.0892%

$3.74M

—

Teekell Judson Gray

Director

—

$1.00M (8) scheduled

−$1.00M

236,796

0.2386%

$10.00M

+123.3%

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%

Smollen John

EVP, New Product Development

—

269,878

0.2720%

$11.39M

—

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

Raymond Mark F.

16 Jun 2026

Director

Exercised, kept

16,000

$12.00

$192.00K

Stahlin Paul

11 Jun 2026

Director

Exercised, kept

4,000

$12.00

$48.00K

Stahlin Paul

9 Jun 2026

Director

Exercised, kept

7,000

$12.00

$84.00K

Teekell Judson Gray

19 May 2026

Director

Exercised, kept

22,667

$12.00

$272.00K

Gallagher Thomas P.

11 May 2026

Chairman & CEO

Exercised, kept

24,999

$12.00

$299.99K

Beckelman John

9 Apr 2026

Director

Exercised, kept

8,667

$12.00

$104.00K

Brown Shelly

30 Mar 2026

EVP, Chief Strategy Officer

Exercised, kept

5,040

$19.84

$99.99K

Brown Shelly

30 Mar 2026

EVP, Chief Strategy Officer

Exercised, kept

3,878

$25.78

$99.97K

Brown Shelly

30 Mar 2026

EVP, Chief Strategy Officer

Exercised, kept

6,195

$16.14

$99.99K

Brown Shelly

30 Mar 2026

EVP, Chief Strategy Officer

Exercised, kept

6,570

$15.22

$100.00K

Brown Shelly

30 Mar 2026

EVP, Chief Strategy Officer

Exercised, kept

8,333

$12.00

$100.00K

Comly Barbara J.

9 Mar 2026

EVP, GC & Corporate Secretary

Exercised, kept

16,666

$12.00

$199.99K

Comly Barbara J.

9 Mar 2026

EVP, GC & Corporate Secretary

Exercised, kept

8,333

$12.00

$100.00K

Comly Barbara J.

9 Mar 2026

EVP, GC & Corporate Secretary

Exercised, kept

8,333

$12.00

$100.00K

Emmons Lance

16 Dec 2025

EVP and CFO

Exercised, kept

5,040

$19.84

$99.99K

Emmons Lance

16 Dec 2025

EVP and CFO

Exercised, kept

6,195

$16.14

$99.99K

Emmons Lance

16 Dec 2025

EVP and CFO

Exercised, kept

22,221

$13.50

$299.98K

Brown Shelly

16 Dec 2025

EVP, Chief Strategy Officer

Exercised, kept

8,333

$12.00

$100.00K

Brown Shelly

16 Dec 2025

EVP, Chief Strategy Officer

Exercised, kept

8,333

$12.00

$100.00K

Brown Shelly

16 Dec 2025

EVP, Chief Strategy Officer

Exercised, kept

16,666

$12.00

$199.99K

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