Thomas P. Gallagher
Director, Chairman & CEO · 11 filings · Latest: Aug 4, 2026
MIAMI INTERNATIONAL HOLDINGS, INC.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Aug 4, 2026 | Sale | $45.69 | 48,334 | $2.2M | 1,723,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Aug 4, 2026 | Option Exercise | $12.00 | 48,334 | $580.0K | 1,771,609 | |
MIAX | GALLAGHER INVESTMENTS LLC | — | Aug 4, 2026 | Proposed Sale | $46.83 | 48,334 | $2.3M | — | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jul 13, 2026 | Sale | $42.52 | 70,000 | $3.0M | 1,723,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jul 13, 2026 | Option Exercise | $12.00 | 70,000 | $840.0K | 1,793,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jul 7, 2026 | Sale | $42.27 | 28,228 | $1.2M | 1,723,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jul 7, 2026 | Option Exercise | $12.00 | 28,228 | $338.7K | 1,751,503 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jul 6, 2026 | Sale | $42.09 | 41,772 | $1.8M | 1,723,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jul 6, 2026 | Option Exercise | $12.00 | 41,772 | $501.3K | 1,765,047 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jun 2, 2026 | Sale | $42.36 | 70,000 | $3.0M | 1,723,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Jun 2, 2026 | Option Exercise | $12.00 | 70,000 | $840.0K | 1,793,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | May 11, 2026 | Option Exercise | $12.00 | 24,999 | $300.0K | 510,962 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | May 5, 2026 | Sale | $47.92 | 15,771 | $755.7K | 1,723,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | May 5, 2026 | Option Exercise | $12.00 | 15,771 | $189.3K | 1,739,046 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | May 4, 2026 | Sale | $47.26 | 54,229 | $2.6M | 1,723,275 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | May 4, 2026 | Option Exercise | $12.00 | 54,229 | $650.7K | 1,777,504 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Apr 15, 2026 | Sale | $43.43 | 224,025 | $9.7M | 485,963 | |
MIAX | Thomas P. Gallagher | Director, Chairman & CEO | Apr 15, 2026 | Option Exercise | $12.00 | 70,001 | $840.0K | 1,897,400 | |
MIAX | GALLAGHER INVESTMENTS LLC | — | Apr 15, 2026 | Proposed Sale | $42.91 | 454,125 | $19.5M | — | |
MIAX | THOMAS P GALLAGHER | — | Apr 15, 2026 | Proposed Sale | $42.91 | 49,900 | $2.1M | — |