MIAMI INTERNATIONAL HOLDINGS, INC.
MIAX
78 insider filings · Latest: Jun 16, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| May 4, 2026 | May 5 11:41 AM | Judson Gray TeekellDirector | Sale | 3,000 | $47.30 | $141.9K | 56,338(D) | View → |
| May 4, 2026 | May 5 11:32 AM | Douglas M. Schafer JREVP and CIO | Sale | 48,000 | $47.25 | $2.3M | 396,681(D) | View → |
| May 4, 2026 | May 5 11:31 AM | Kurt M. EckertDirector | Sale | 5,625 | $47.29 | $266.0K | 142,375(D) | View → |
| May 4, 2026 | May 5 11:30 AM | Barbara J. ComlyEVP, GC & Corporate Secretary | Sale | 28,000 | $47.26 | $1.3M | 843,844(D) | View → |
| May 4, 2026 | May 4 8:32 PM | J. GRAY TEEKELL | Proposed Sale | 9,000 | $47.17 | $424.5K | — | View → |
| May 4, 2026 | May 4 8:31 PM | SHELLY BROWN | Proposed Sale | 32,000 | $47.17 | $1.5M | — | View → |
| May 4, 2026 | May 4 8:31 PM | EDWARD DEITZEL | Proposed Sale | 33,000 | $47.17 | $1.6M | — | View → |
| Apr 15, 2026 | Apr 17 8:17 PM | Thomas P. GallagherDirector, Chairman & CEO | Sale | 224,025 | $43.43 | $9.7M | 485,963(I) | View → |
| Apr 15, 2026 | Apr 17 8:15 PM | Barbara J. ComlyEVP, GC & Corporate Secretary | Sale | 29,667 | $43.64 | $1.3M | 843,844(D) | View → |
| Apr 15, 2026 | Apr 15 8:55 PM | BARBARA J COMLY | Proposed Sale | 141,667 | $42.91 | $6.1M | — | View → |
| Apr 15, 2026 | Apr 15 8:53 PM | GALLAGHER INVESTMENTS LLC | Proposed Sale | 454,125 | $42.91 | $19.5M | — | View → |
| Apr 15, 2026 | Apr 15 8:42 PM | THOMAS P GALLAGHER | Proposed Sale | 49,900 | $42.91 | $2.1M | — | View → |
| Apr 8, 2026 | Apr 9 8:20 PM | Shelly BrownEVP, Chief Strategy Officer | Sale | 16,434 | $42.08 | $691.5K | 325,047(D) | View → |
| Apr 8, 2026 | Apr 9 8:15 PM | Edward DeitzelEVP, CRO, CCO MIAX Exchanges | Sale | 7,572 | $42.02 | $318.2K | 116,221(D) | View → |
| Apr 7, 2026 | Apr 9 8:15 PM | Edward DeitzelEVP, CRO, CCO MIAX Exchanges | Sale | 4,763 | $42.00 | $200.0K | 116,221(D) | View → |
| Apr 7, 2026 | Apr 9 8:13 PM | Shelly BrownEVP, Chief Strategy Officer | Sale | 900 | $42.00 | $37.8K | 325,047(D) | View → |
| Apr 6, 2026 | Apr 9 8:13 PM | Shelly BrownEVP, Chief Strategy Officer | Sale | 2,357 | $41.33 | $97.4K | 325,047(D) | View → |
| Apr 7, 2026 | Apr 8 8:19 PM | Shelly BrownEVP, Chief Strategy Officer | Sale | 900 | $42.00 | $37.8K | 324,147(D) | View → |
| Apr 6, 2026 | Apr 8 8:19 PM | Shelly BrownEVP, Chief Strategy Officer | Sale | 2,357 | $41.33 | $97.4K | 325,047(D) | View → |
| Apr 7, 2026 | Apr 7 8:30 PM | EDWARD DEITZEL | Proposed Sale | 12,335 | $41.63 | $513.5K | — | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Apr 7, 2026 | Apr 9 8:15 PM | Edward DeitzelEVP, CRO, CCO MIAX Exchanges | Option Exercise | 4,763 | $12.00 | 29,333(D) | View → |
| Apr 7, 2026 | Apr 9 8:13 PM | Shelly BrownEVP, Chief Strategy Officer | Option Exercise | 900 | $12.00 | 64,434(D) | View → |
| Mar 30, 2026 | Apr 1 8:45 PM | Shelly BrownEVP, Chief Strategy Officer | Option Exercise | 30,016 | $25.78 | 0(D) | View → |
| Mar 19, 2026 | Mar 20 8:48 PM | Kurt M. EckertDirector | Option Exercise | 12,917 | $12.00 | 0(D) | View → |
| Mar 17, 2026 | Mar 18 8:23 PM | Douglas M. Schafer JREVP and CIO | Option Exercise | 48,000 | $12.00 | 102,000(D) | View → |
| Mar 9, 2026 | Mar 10 8:40 PM | Barbara J. ComlyEVP, GC & Corporate Secretary | Option Exercise | 33,332 | — | 0(D) | View → |
| Mar 2, 2026 | Mar 6 9:12 PM | Murray StahlDirector | X | 112,656 | $20.50 | 0(I) | View → |
| Mar 2, 2026 | Mar 4 8:22 PM | Murray StahlDirector | X | 250,156 | $20.50 | 0(I) | View → |
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