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Nov 14, 2024 01:29PM Form SC 13G COLUMBIA BANKING SYSTEM, Filed by: T. Rowe Price Investment Management, Inc.

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Feb 10, 2023 02:47PM Form SC 13G COLUMBIA BANKING SYSTEM, Filed by: DIMENSIONAL FUND ADVISORS LP

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Feb 10, 2022 01:43PM Form SC 13G COLUMBIA BANKING SYSTEM, Filed by: STATE STREET CORP

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Feb 16, 2021 12:31PM

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Feb 14, 2020 01:37PM Form SC 13G/A COLUMBIA BANKING SYSTEM, Filed by: PRICE T ROWE ASSOCIATES INC /MD/

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Feb 14, 2018 02:06PM Form SC 13G COLUMBIA BANKING SYSTEM Filed by: PRICE T ROWE ASSOCIATES INC /MD/

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Feb 11, 2016 10:38AM Form SC 13G/A COLUMBIA BANKING SYSTEM Filed by: VANGUARD GROUP INC

Jan 26, 2016 02:22PM

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Feb 11, 2015 10:48AM

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