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Active cluster sell — 10 distinct insiders, $36M, window ends Sep 16, 2026.
Figures computed from official regulatory filings — .
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Data for MIAMI INTERNATIONAL HOLDINGS, INC. only. No web search. Global per-insider statistics are excluded.
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SEC company identity · Oct 5, 2026
Open-market timeline · full history
20 buys67 sellsbar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| Schafer Douglas M. JR | Sell | $1.3M | SEC |
| Schafer Douglas M. JR | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Schafer Douglas M. JR | Exercise | $480K | SEC |
| Jayabalan Harish | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Jayabalan Harish | Exercise | $100K | SEC |
| Brown Shelly | Sell | $819.2K | SEC |
| Brown Shelly | Other | $692.7K | SEC |
| Deitzel Edward | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Deitzel Edward | Exercise | $132K | SEC |
| Schafer Douglas M. JR | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Schafer Douglas M. JR | Exercise | $56K | SEC |
| Gallagher Thomas P. | Exercise | $100K | SEC |
| Gallagher Thomas P. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gallagher Thomas P. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gallagher Thomas P. | Exercise | $100K | SEC |
| Schafer Douglas M. JR | Sell | $1.9M | SEC |
| Teekell Judson Gray | Sell | $230.6K | Unusual size | SEC |
| Gallagher Thomas P. | Sell | $2M | SEC |
| Gallagher Thomas P. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Deitzel Edward | Sell | $464.3K | SEC |
| Comly Barbara J. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gallagher Thomas P. | Exercise | $200K | SEC |
| Gallagher Thomas P. | Exercise | $200K | SEC |
| Gallagher Thomas P. | Exercise | $564K | SEC |
| Schafer Douglas M. JR | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |