MIAX- MIAMI INTERNATIONAL HOLDINGS, INC.

Trade Summary

1 week ago, Comly Barbara J., serving as EVP, GC & Corporate Secretary at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX), sold 44,445 shares at $40.49 per share, for a total transaction value of $1,799,578.05. Following this transaction, Comly Barbara J. now holds 839,564 shares of MIAX.

This sale represents a 5.03% decrease in Comly Barbara J.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, September 2, 2026 and publicly disclosed via SEC Form 4 filing on Friday, September 4, 2026 at 4:31 PM ET, 2 days after the trade was made.

MIAMI INTERNATIONAL HOLDINGS, INC. operates in the NONE sector, specifically within the NONE industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.