X0508 4 2023-11-23 false 0001126956 SPIRE INC SR 0001988105 Mills Stephen M 700 MARKET STREET ST. LOUIS MO 63101 false true false false Senior Vice President false Common Stock 2023-11-23 4 F false 157.00 60.63 D 944.00 D Common Stock 2023-11-23 4 A false 1126.00 60.63 A 2070.00 D Common Stock 2023-11-23 4 F false 421.00 60.63 D 1649.00 D Represents the number of shares withheld for the payment of taxes incident to the vesting of 420 shares of time-vested restricted stock. Represents performance contingent restricted units that vested and settled in stock based on performance metrics not tied to the market price of the Company's stock. Represents the number of shares withheld for the payment of taxes incident to the vesting of 1,126 performance contingent restricted units. /s/ Courtney Vomund as attorney in fact for Mills, Stephen M. 2023-11-27