Salvatore Bryan J plan to sell securities of HANOVER INSURANCE GROUP, INC. under Form 144

Salvatore Bryan J filed Form 144 to notify SEC of plan to sell 16394 units of HANOVER INSURANCE GROUP, INC. securities around 2026-06-03, with aggregate market value of $3,045,326.50. The total outstanding units is 34986787.0. The amount planned to be sold represents 0.05% of total outstanding units;