Thomas P. Gallagher, Chairman & CEO at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX), sold 224,025 shares at $43.36 ($9.7M) on 2026-04-15, disclosed to the SEC on 2026-04-17.
Scheduled sale ($9.7M) by Chairman & CEO under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $43.36 | 70,001 | $3.0M | 31.2% |
| 2 | $43.36 | 104,124 | $4.5M | 46.4% |
| 3 | $43.68 | 49,900 | $2.2M | 22.4% |
| Total | $43.43 avg | 224,025 | $9.7M | 100% |
| 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 → |