Thomas P. Gallagher, Chairman & CEO at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX), sold 15,771 shares at $47.92 ($756K) on 2026-05-05, disclosed to the SEC on 2026-05-07.
Scheduled sale ($756k) by Chairman & CEO under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Negative factors outweigh the positive ones.
| Filing → |
| MIAX | SELL | 2026-08-06 | $2.2M | — | Filing → |
| MIAX | SELL | 2026-07-14 | $3.0M | — | Filing → |
| MIAX | SELL | 2026-07-07 | $3.0M | — | Filing → |