Miami International Holdings Inc Insider Trading
Every director, officer and 10% holder of Miami International Holdings Inc has to report each trade in its stock within two business days of making it. This is those filings.
MIAX on carbonthat →Purchases and sales
Open-market trades only — the lines where someone chose to buy or sell at the going price.
| Insider | Action | Value |
|---|---|---|
| Douglas M. Schafer JREVP and CIO2026-10-0240K shat $33.34 | Sale10b5-1 plan | $1.3M |
| Shelly BrownEVP, Chief Strategy Officer2026-09-1621.2K shat $38.61 | Sale10b5-1 plan | $819.2K |
| Edward DeitzelEVP, CRO, CCO MIAX Exchanges2026-09-0311K shat $42.21 | Sale10b5-1 plan | $464.3K |
| Thomas P. GallagherChairman & CEO2026-09-0347K shat $42.43 | Sale10b5-1 plan | $2M |
| Barbara J. ComlyEVP, GC & Corporate Secretary2026-09-0244.4K shat $40.49 | Sale10b5-1 plan | $1.8M |
| Douglas M. Schafer JREVP and CIO2026-09-0248K shat $40.48 | Sale10b5-1 plan | $1.9M |
| Judson Gray TeekellDirector2026-09-025.5K shat $41.58 | Sale10b5-1 plan | $230.6K |
| Judson Gray TeekellDirector2026-09-023K shat $40.89 | Sale10b5-1 plan | $122.7K |
| Thomas P. GallagherChairman & CEO2026-08-19149.7K shat $41.13 | Sale10b5-1 plan | $6.2M |
| Cynthia SchwarzkopfDirector2026-08-175K shat $42.85 | Sale10b5-1 plan | $214.3K |
| Lance EmmonsEVP and CFO2026-08-1735K shat $42.83 | Sale10b5-1 plan | $1.5M |
| Barbara J. ComlyEVP, GC & Corporate Secretary2026-08-0444.4K shat $45.69 | Sale10b5-1 plan | $2M |
| Kurt M. EckertDirector2026-08-041.1K shat $45.80 | Sale10b5-1 plan | $48.7K |
| Edward DeitzelEVP, CRO, CCO MIAX Exchanges2026-08-0411K shat $45.78 | Sale10b5-1 plan | $503.6K |
| Harish JayabalanEVP, CISO and CRO2026-08-0420K shat $45.90 | Sale10b5-1 plan | $918K |
| Thomas P. GallagherChairman & CEO2026-08-0448.3K shat $45.69 | Sale10b5-1 plan | $2.2M |
| Douglas M. Schafer JREVP and CIO2026-08-0448K shat $45.71 | Sale10b5-1 plan | $2.2M |
| Judson Gray TeekellDirector2026-08-043K shat $45.79 | Sale10b5-1 plan | $137.4K |
| Cynthia SchwarzkopfDirector2026-07-155K shat $42.00 | Sale10b5-1 plan | $210K |
| Barbara J. ComlyEVP, GC & Corporate Secretary2026-07-1328K shat $41.98 | Sale10b5-1 plan | $1.2M |
| Thomas P. GallagherChairman & CEO2026-07-1370K shat $42.52 | Sale10b5-1 plan | $3M |
| Thomas P. GallagherChairman & CEO2026-07-0728.2K shat $42.27 | Sale10b5-1 plan | $1.2M |
| Thomas P. GallagherChairman & CEO2026-07-0641.8K shat $42.09 | Sale10b5-1 plan | $1.8M |
| Harish JayabalanEVP, CISO and CRO2026-07-0620K shat $42.12 | Sale10b5-1 plan | $842.4K |
| Edward DeitzelEVP, CRO, CCO MIAX Exchanges2026-07-0611K shat $42.04 | Sale10b5-1 plan | $462.4K |
| Shelly BrownEVP, Chief Strategy Officer2026-07-0616K shat $42.13 | Sale10b5-1 plan | $674.1K |
| Judson Gray TeekellDirector2026-07-023K shat $40.00 | Sale10b5-1 plan | $120K |
| Kurt M. EckertDirector2026-07-025.3K shat $39.35 | Sale10b5-1 plan | $206.6K |
| Barbara J. ComlyEVP, GC & Corporate Secretary2026-07-0228K shat $41.22 | Sale10b5-1 plan | $1.2M |
| Douglas M. Schafer JREVP and CIO2026-07-0248K shat $41.22 | Sale10b5-1 plan | $2M |
Source: SEC Form 4 filings, via EDGAR. A derivative line reports the shares underlying an option rather than stock outstanding, so it is marked and is not comparable with the rest. Value is shares times the reported price, and is blank where the filing priced the transaction at zero — a grant costs its recipient nothing. Insiders sell for reasons that have nothing to do with the company, which is why a sale is not read as a signal on its own.
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