Trade Summary

2 days ago, Horgen Jay C., serving as President and CEO at AFFILIATED MANAGERS GROUP, INC. (AMG), sold 17,500 shares at $338.27 per share, for a total transaction value of $5,919,725.00. Following this transaction, Horgen Jay C. now holds 204,706 shares of AMG.

This sale represents a 7.88% decrease in Horgen Jay C.'s stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Monday, June 8, 2026 and publicly disclosed via SEC Form 4 filing on Monday, June 8, 2026 at 7:23 PM ET, meaning the disclosure happened on the same day as the trade.

AFFILIATED MANAGERS GROUP, INC. operates in the FINANCIAL SERVICES sector, specifically within the ASSET MANAGEMENT industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.