Miami International Holdings, Inc. (MIAX) Insider Ownership

Historic Insider Ownership Trends

MIAX's three largest insider shareholders as of May 30, 2026 are Talal Jassim Al-Bahar (Director, 3.62Mn shares), Thomas P. Gallagher (Chairman Ceo, 1.83Mn shares), Barbara J. Comly (Evp, Gc Corporate Secretary, 843.84K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Jamil Nazarali - 2,500 0 15 Aug, 2025
Paul Stahlin - 25,083 0 19 Aug, 2025
Judson Gray Teekell - 0 86,545 19 Aug, 2025
Douglas M. Jr Schafer Evp And Cio 396,681 0 18 Mar, 2026
Mark F. Raymond - 43,827 0 19 Aug, 2025
Thomas P. Gallagher Chairman Ceo 0 1,827,399 01 Apr, 2026
Shelly Brown Evp, Chief Strategy Officer 325,047 0 09 Apr, 2026
John Beckelman - 8,667 0 10 Apr, 2026
Harish Jayabalan Evp, Ciso And Cro 73,405 0 11 Sep, 2025
Cynthia Schwarzkopf - 81,308 0 19 Aug, 2025
Edward Deitzel Evp, Cro, Cco Miax Exchanges 116,221 0 01 Apr, 2026
Kurt M. Eckert - 142,375 0 20 Mar, 2026
Lance Emmons Evp And Cfo 119,262 0 01 Apr, 2026
John Smollen Evp, New Product Development 170,757 0 01 Apr, 2026
Talal Jassim Al-Bahar - 0 3,617,296 19 Aug, 2025
Mark I. Massad - 3,500 3,000 15 Aug, 2025
Kenneth W. Lozier - 1,000 0 15 Aug, 2025
Barbara J. Comly Evp, Gc Corporate Secretary 843,844 0 01 Apr, 2026
Lisa Moore - 5,500 0 15 Aug, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
09 Apr, 2026 John Beckelman Common Stock A 8,667 $12.00 8,667 D M
09 Apr, 2026 John Beckelman Stock Option (Right to Buy) D 8,667 $0.00 0 D M
06 Apr, 2026 Shelly Brown Common Stock D 2,357 $41.33 325,047 D S
07 Apr, 2026 Shelly Brown Common Stock A 900 $12.00 325,947 D M
07 Apr, 2026 Shelly Brown Common Stock D 900 $42.00 325,047 D S
07 Apr, 2026 Shelly Brown Nonqualified Stock Option (Right to Buy) D 900 $0.00 64,434 D M
06 Apr, 2026 Shelly Brown Common Stock D 2,357 $41.33 325,047 D S
07 Apr, 2026 Shelly Brown Common Stock D 900 $42.00 324,147 D S
02 Apr, 2026 Judson Gray Teekell Common Stock D 2,700 $40.00 59,338 D S
02 Apr, 2026 Judson Gray Teekell Common Stock D 2,700 $40.00 59,338 D S
02 Apr, 2026 Judson Gray Teekell Common Stock D 2,700 $40.00 59,338 D S
02 Apr, 2026 Judson Gray Teekell Common Stock D 2,700 $40.00 59,338 D S
02 Apr, 2026 Judson Gray Teekell Common Stock D 2,700 $40.00 59,338 D S
30 Mar, 2026 John Smollen Common Stock D 362 $37.50 170,757 D F
30 Mar, 2026 John Smollen Common Stock D 362 $37.50 170,757 D F
30 Mar, 2026 Lance Emmons Common Stock D 8,350 $37.50 119,262 D F
30 Mar, 2026 John Smollen Common Stock D 362 $37.50 170,757 D F
30 Mar, 2026 John Smollen Common Stock D 362 $37.50 170,757 D F
30 Mar, 2026 John Smollen Common Stock D 362 $37.50 170,757 D F
30 Mar, 2026 Shelly Brown Common Stock D 1,809 $37.50 297,388 D F