TRIAN FUND MANAGEMENT, L.P. plan to sell securities of Janus Henderson Group PLC under Form 144

TRIAN FUND MANAGEMENT, L.P. filed Form 144 to notify SEC of plan to sell 6213418 units of Janus Henderson Group PLC securities around 2026-05-12, with aggregate market value of $321,233,711.00. The total outstanding units is 154075608.0. The amount planned to be sold represents 4.03% of total outstanding units;