MIAMI INTERNATIONAL HOLDINGS, INC. — Form 4
Filed August 20, 2026 · analyzed by the Insider Agent
4
▼ Likely negative
significance 49/100
What the filing says
Chairman & CEO Gallagher Thomas P. (MIAX) sold 300K shares (~$12.5M) on the open market (17% of holdings). Open-market sale — often routine.
Why this rating
Open-market sale — often routine.
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