Trade Summary

3 days ago, Schafer Douglas M. JR, serving as EVP and CIO at MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX), sold 48,000 shares at $42.84 per share, for a total transaction value of $2,056,320.00. Following this transaction, Schafer Douglas M. JR now holds 396,681 shares of MIAX.

This sale represents a 10.79% decrease in Schafer Douglas M. JR's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Tuesday, June 2, 2026 and publicly disclosed via SEC Form 4 filing on Thursday, June 4, 2026 at 4:40 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.