Gallagher Thomas P.
Chairman & CEO · 26 insider transactions on file
All transactions
| Date | Ticker | Company | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-07-13 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 70,000 | $42.52 | $3.0M | filing |
| 2026-07-13 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 70,000 | $12.00 | $840,000.00 | filing |
| 2026-07-07 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 28,228 | $42.27 | $1.2M | filing |
| 2026-07-07 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 28,228 | $12.00 | $338,736.00 | filing |
| 2026-07-06 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 41,772 | $42.09 | $1.8M | filing |
| 2026-07-06 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 41,772 | $12.00 | $501,264.00 | filing |
| 2026-06-16 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Award | 232,977 | $0.00 | $0.00 | filing |
| 2026-06-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 70,000 | $42.36 | $3.0M | filing |
| 2026-06-02 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 70,000 | $12.00 | $840,000.00 | filing |
| 2026-05-11 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 24,999 | $12.00 | $299,988.00 | filing |
| 2026-05-05 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 15,771 | $47.92 | $755,746.32 | filing |
| 2026-05-05 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 15,771 | $12.00 | $189,252.00 | filing |
| 2026-05-04 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 54,229 | $47.26 | $2.6M | filing |
| 2026-05-04 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 54,229 | $12.00 | $650,748.00 | filing |
| 2026-04-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 104,124 | $43.36 | $4.5M | filing |
| 2026-04-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 70,001 | $43.36 | $3.0M | filing |
| 2026-04-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Sale | 49,900 | $43.68 | $2.2M | filing |
| 2026-04-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Option exercise | 70,001 | $12.00 | $840,012.00 | filing |
| 2026-03-30 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Tax withholding | 20,875 | $37.50 | $782,812.50 | filing |
| 2026-02-10 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Tax withholding | 50,100 | $41.33 | $2.1M | filing |
| 2025-12-23 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Gift | 2,000 | — | — | filing |
| 2025-08-26 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Tax withholding | 192,220 | $33.90 | $6.5M | filing |
| 2025-08-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | C | 500 | — | — | filing |
| 2025-08-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | C | 573,963 | — | — | filing |
| 2025-08-15 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | C | 135,395 | — | — | filing |
| 2025-08-13 | MIAX | MIAMI INTERNATIONAL HOLDINGS, INC. | Buy | 12,000 | $23.00 | $276,000.00 | filing |
Insider transactions from SEC Form 4 filings via EDGAR. Names appear as filed and aren't normalized across issuers.