MIAMI INTERNATIONAL HOLDINGS, INC.
MIAX
97 insider filings · Latest: Aug 4, 2026
Common Stock Transactions
| Txn Date | Accepted | Insider | Type | Shares | Avg Price | Value | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|---|
| Jul 6, 2026 | Jul 7 8:13 PM | Edward DeitzelEVP, CRO, CCO MIAX Exchanges | Sale | 11,000 | $42.04 | $462.4K | 119,601(D) | View → |
| Jul 6, 2026 | Jul 7 8:10 PM | Shelly BrownEVP, Chief Strategy Officer | Sale | 16,000 | $42.13 | $674.1K | 353,990(D) | View → |
| Jul 2, 2026 | Jul 7 8:09 PM | Judson Gray TeekellDirector | Sale | 3,000 | $40.00 | $120.0K | 75,251(D) | View → |
| Jul 2, 2026 | Jul 7 8:08 PM | Kurt M. EckertDirector | Sale | 5,250 | $39.35 | $206.6K | 149,612(D) | View → |
| Jul 2, 2026 | Jul 7 8:06 PM | Barbara J. ComlyEVP, GC & Corporate Secretary | Sale | 28,000 | $41.22 | $1.2M | 882,984(D) | View → |
| Jul 2, 2026 | Jul 7 8:06 PM | Douglas M. Schafer JREVP and CIO | Sale | 48,000 | $41.22 | $2.0M | 387,414(D) | View → |
| Jul 6, 2026 | Jul 6 8:33 PM | HARISH JAYABALAN | Proposed Sale | 20,000 | $40.84 | $816.8K | — | View → |
| Jul 6, 2026 | Jul 6 8:32 PM | SHELLY BROWN | Proposed Sale | 16,000 | $40.84 | $653.4K | — | View → |
| Jul 2, 2026 | Jul 2 8:31 PM | DOUGLAS M. SCHAFER JR. | Proposed Sale | 144,000 | $39.05 | $5.6M | — | View → |
| Jul 2, 2026 | Jul 2 8:30 PM | KURT M. ECKERT | Proposed Sale | 6,313 | $39.05 | $246.5K | — | View → |
| Jun 15, 2026 | Jun 17 8:08 PM | Shelly BrownEVP, Chief Strategy Officer | Sale | 4,714 | $44.23 | $208.5K | 316,714(D) | View → |
| Jun 15, 2026 | Jun 15 8:53 PM | SHELLY BROWN | Proposed Sale | 4,714 | $43.29 | $204.1K | — | View → |
| Jun 11, 2026 | Jun 12 8:15 PM | Cynthia SchwarzkopfDirector | Sale | 19,500 | $41.73 | $813.7K | 81,308(D) | View → |
| Jun 11, 2026 | Jun 11 8:26 PM | CYNTHIA SCHWARZKOPF | Proposed Sale | 19,500 | $40.79 | $795.4K | — | View → |
| Jun 9, 2026 | Jun 10 8:29 PM | Harish JayabalanEVP, CISO and CRO | Sale | 9,783 | $40.04 | $391.7K | 73,405(D) | View → |
| Jun 8, 2026 | Jun 10 8:29 PM | Harish JayabalanEVP, CISO and CRO | Sale | 10,217 | $40.12 | $409.9K | 73,405(D) | View → |
| Jun 8, 2026 | Jun 8 8:37 PM | HARISH JAYABALAN | Proposed Sale | 20,000 | $39.21 | $784.2K | — | View → |
| Jun 2, 2026 | Jun 4 8:55 PM | Judson Gray TeekellDirector | Sale | 3,000 | $42.78 | $128.3K | 71,014(D) | View → |
| Jun 2, 2026 | Jun 4 8:52 PM | Kurt M. EckertDirector | Sale | 5,250 | $42.76 | $224.5K | 142,375(D) | View → |
| Jun 2, 2026 | Jun 4 8:46 PM | Barbara J. ComlyEVP, GC & Corporate Secretary | Sale | 28,000 | $42.85 | $1.2M | 843,844(D) | View → |
Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| Jun 2, 2026 | Jun 4 8:40 PM | Douglas M. Schafer JREVP and CIO | Option Exercise | 48,000 | $12.00 | 6,000(D) | View → |
| Jun 2, 2026 | Jun 4 8:37 PM | Shelly BrownEVP, Chief Strategy Officer | Option Exercise | 16,000 | $12.00 | 16,000(D) | View → |
| Jun 2, 2026 | Jun 4 8:37 PM | Thomas P. GallagherDirector, Chairman & CEO | Option Exercise | 70,000 | $12.00 | 140,000(I) | View → |
| May 19, 2026 | May 19 8:34 PM | Judson Gray TeekellDirector | Option Exercise | 22,667 | $12.00 | 0(D) | View → |
| May 11, 2026 | May 13 8:26 PM | Thomas P. GallagherDirector, Chairman & CEO | Option Exercise | 24,999 | $12.00 | 0(D) | View → |
| May 5, 2026 | May 7 8:07 PM | Thomas P. GallagherDirector, Chairman & CEO | Option Exercise | 15,771 | $12.00 | 210,000(I) | View → |
| May 4, 2026 | May 5 12:17 PM | Thomas P. GallagherDirector, Chairman & CEO | Option Exercise | 54,229 | $12.00 | 225,771(I) | View → |
| May 4, 2026 | May 5 12:16 PM | Edward DeitzelEVP, CRO, CCO MIAX Exchanges | Option Exercise | 11,000 | $12.00 | 18,333(D) | View → |
| May 4, 2026 | May 5 11:43 AM | Shelly BrownEVP, Chief Strategy Officer | Option Exercise | 16,000 | $12.00 | 32,000(D) | View → |
| May 4, 2026 | May 5 11:32 AM | Douglas M. Schafer JREVP and CIO | Option Exercise | 48,000 | $12.00 | 54,000(D) | View → |
| May 4, 2026 | May 5 11:31 AM | Kurt M. EckertDirector | Option Exercise | 5,625 | $12.00 | 11,563(D) | View → |
| May 4, 2026 | May 5 11:30 AM | Barbara J. ComlyEVP, GC & Corporate Secretary | Option Exercise | 28,000 | $12.00 | 84,000(D) | View → |
| Apr 15, 2026 | Apr 17 8:17 PM | Thomas P. GallagherDirector, Chairman & CEO | Option Exercise | 70,001 | $12.00 | 280,000(I) | View → |
| Apr 15, 2026 | Apr 17 8:15 PM | Barbara J. ComlyEVP, GC & Corporate Secretary | Option Exercise | 29,667 | $12.00 | 112,000(D) | View → |
| Apr 9, 2026 | Apr 10 10:41 PM | John BeckelmanDirector | Option Exercise | 8,667 | $12.00 | 0(D) | View → |
| Apr 8, 2026 | Apr 9 8:20 PM | Shelly BrownEVP, Chief Strategy Officer | Option Exercise | 16,434 | $12.00 | 48,000(D) | View → |
| Apr 8, 2026 | Apr 9 8:15 PM | Edward DeitzelEVP, CRO, CCO MIAX Exchanges | Option Exercise | 7,572 | $12.00 | 0(D) | View → |
| 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 → |