Gallagher Thomas P. Insider Trading -- Recent SEC Form 4 Transactions

Gallagher Thomas P. (CIK 2080477) reported 19 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-07). Recent activity: Buy MIAX (41,772 shares), Sell MIAX (41,772 shares), Buy MIAX (28,228 shares), Sell MIAX (28,228 shares), Buy MIAX (232,977 shares). Source: SEC Form 4.

DateCompanyRoleTypeSharesValue
2026-07-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy41,772$501,264
2026-07-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell41,772$1.8M
2026-07-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy28,228$338,736
2026-07-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell28,228$1.2M
2026-06-18MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy232,977$0
2026-05-13MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy24,999$299,988
2026-05-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy15,771$189,252
2026-05-07MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell15,771$755,746
2026-04-17MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy70,001$840,012
2026-04-17MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell70,001$3.0M
2026-04-17MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell104,124$4.5M
2026-04-17MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell49,900$2.2M
2026-02-12MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell50,100$2.1M
2025-12-29MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell2,000$0
2025-08-28MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOSell192,220$6.5M
2025-08-19MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy500$0
2025-08-19MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy573,963$0
2025-08-19MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy135,395$0
2025-08-15MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX)Chairman & CEOBuy12,000$276,000

Source: SEC Form 4 filings · as of 2026-07-07