UNM - Unum Group announces resignation of COO Michael Simonds January, 05 2024 01:05 PM Unum Group 2024-01-05 13:05:47 ET More on Unum Unum: Definitely A 'Hold' Here Why did Unum Group stock go down today? LTC accounting change Seeking Alpha’s Quant Rating on Unum For further details see: Unum Group announces resignation of COO Michael Simonds