Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC Feb 13, 2024 06:19PM
Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC Feb 9, 2023 12:08PM
Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC Feb 10, 2022 08:54AM
Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC Feb 10, 2021 12:11PM
Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC Feb 12, 2020 06:12AM


Feb 12, 2019 06:02AM Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC
Feb 12, 2018 07:28AM Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC
Mar 10, 2017 01:10PM Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC
Feb 10, 2017 01:29PM Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC
Feb 10, 2016 03:18PM Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC
Feb 10, 2015 11:19AM Form SC 13G/A TENNANT CO Filed by: VANGUARD GROUP INC
Feb 4, 2015 12:41PM Form SC 13G/A TENNANT CO Filed by: VANGUARD FIDUCIARY TRUST CO