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Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC Feb 13, 2024 04:56PM
Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC Feb 9, 2023 10:57AM
Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC Feb 9, 2022 03:24PM
Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC Feb 10, 2021 01:43PM
Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC Feb 10, 2021 10:14AM


Feb 12, 2020 06:02AM Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC
Feb 11, 2019 12:46PM Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC
Nov 13, 2018 08:37AM Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC
Feb 9, 2018 11:23AM Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC
Feb 10, 2017 09:11AM Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC
Feb 10, 2016 09:01AM Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC
Feb 11, 2015 11:39AM Form SC 13G/A MGE ENERGY INC Filed by: VANGUARD GROUP INC