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 |
|---|---|---|---|---|---|---|---|---|
| Mar 17, 2026 | Mar 17 8:29 PM | DOUGLAS M. SCHAFER JR. | Proposed Sale | 144,000 | $39.49 | $5.7M | — | View → |
| Mar 5, 2026 | Mar 6 10:57 PM | Murray StahlDirector | Purchase | 7,200 | $43.08 | $310.2K | 4,633,842(I) | View → |
| Mar 4, 2026 | Mar 6 10:52 PM | Murray StahlDirector | Purchase | 7,200 | $43.38 | $312.3K | 4,626,642(I) | View → |
| Mar 2, 2026 | Mar 6 9:12 PM | Murray StahlDirector | Sale | 53,578 | $40.92 | $2.2M | 4,619,442(I) | View → |
| Mar 4, 2026 | Mar 5 7:44 PM | Murray StahlDirector | Purchase | 7,200 | $43.38 | $312.3K | 4,696,666(I) | View → |
| Mar 2, 2026 | Mar 4 8:22 PM | Murray StahlDirector | Sale | 121,054 | $40.92 | $5.0M | 4,689,466(I) | View → |
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Stock Options & Derivatives
| Txn Date | Accepted | Insider | Type | Shares | Exercise Price | Shares Owned | Filing |
|---|---|---|---|---|---|---|---|
| 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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