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).
| 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.
| 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 |