Miami International Holdings, Inc. (MIAX) Insider Ownership

Historic Insider Ownership Trends

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Murray Stahl 4,560,364 15 Dec, 2025
Talal Jassim Al-Bahar 3,617,296 19 Aug, 2025
Thomas P. Gallagher Chairman & Ceo 2,384,137 12 Feb, 2026
Barbara J. Comly Evp And Gc & Corporate Secretary 811,960 19 Aug, 2025
Douglas M. Jr Schafer Evp And Cio 429,246 12 Feb, 2026
Shelly Brown Evp And Chief Strategy Officer 345,031 17 Dec, 2025
John Smollen Evp Traded Products & Relation 257,785 15 Sep, 2025
Kurt M. Eckert 167,375 19 Aug, 2025
Judson Gray Teekell 148,883 19 Aug, 2025
Lance Emmons Evp And Cfo 127,616 17 Dec, 2025
Edward Deitzel Evp And Cro And Cco Miax Exchanges 122,963 11 Sep, 2025
Cynthia Schwarzkopf 81,308 19 Aug, 2025
Harish Jayabalan Evp And Ciso And Cro 73,405 11 Sep, 2025
Mark F. Raymond 43,827 19 Aug, 2025
Paul Stahlin 25,083 19 Aug, 2025
Lisa Moore 5,500 15 Aug, 2025
Mark I. Massad 4,000 15 Aug, 2025
Jamil Nazarali 2,500 15 Aug, 2025
Kenneth W. Lozier 1,000 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
10 Feb, 2026 Douglas M. Jr Schafer Common Stock D 108,550 $41.33 429,246 D F
10 Feb, 2026 Thomas P. Gallagher Common Stock D 50,100 $41.33 535,863 D F
23 Dec, 2025 Thomas P. Gallagher Common Stock D 2,000 - 585,963 D G
16 Dec, 2025 Shelly Brown Common Stock A 16,666 $12.00 328,365 D M
16 Dec, 2025 Shelly Brown Common Stock A 8,333 $12.00 336,698 D M
16 Dec, 2025 Shelly Brown Common Stock A 8,333 $12.00 345,031 D M
16 Dec, 2025 Lance Emmons Common Stock A 6,195 $16.14 122,572 D M
16 Dec, 2025 Lance Emmons - - 116,377 D
16 Dec, 2025 Lance Emmons - - 127,612 D
16 Dec, 2025 Lance Emmons Common Stock A 5,040 $19.84 127,612 D M
16 Dec, 2025 Lance Emmons Common Stock A 22,221 $13.50 116,377 D M
16 Dec, 2025 Lance Emmons - - 122,572 D
12 Dec, 2025 Murray Stahl Common Stock A 2,439 $41.00 4,560,364 I P
03 Oct, 2025 Murray Stahl Common Stock A 2 $41.97 4,557,925 I P
03 Oct, 2025 Murray Stahl - - 4,557,925 I
26 Sep, 2025 Murray Stahl Common Stock A 4 $41.76 4,557,923 I P
11 Sep, 2025 Edward Deitzel Common Stock A 16,666 $12.00 122,963 D M
11 Sep, 2025 John Smollen - - 141,120 D
11 Sep, 2025 John Smollen Common Stock D 52,054 $37.39 141,120 D F
11 Sep, 2025 John Smollen Common Stock A 24,999 $12.00 166,119 D M