JAY HORGEN plan to sell securities of AFFILIATED MANAGERS GROUP, INC. under Form 144

JAY HORGEN filed Form 144 to notify SEC of plan to sell 17500 units of AFFILIATED MANAGERS GROUP, INC. securities around 2026-06-08, with aggregate market value of $5,919,688.25. The total outstanding units is 26412085.0. The amount planned to be sold represents 0.07% of total outstanding units;