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Form SC 13G/A ChampionX Corp Filed by: VANGUARD GROUP INC Feb 13, 2024 05:44PM
Form SC 13G/A ChampionX Corp Filed by: VANGUARD GROUP INC Feb 9, 2023 11:16AM
Form SC 13G/A ChampionX Corp Filed by: VANGUARD GROUP INC Nov 10, 2022 11:22AM
Form SC 13G/A ChampionX Corp Filed by: VANGUARD GROUP INC Feb 9, 2022 03:42PM
Form SC 13G/A ChampionX Corp Filed by: VANGUARD GROUP INC Feb 10, 2021 10:51AM