| Apr 04,2025 - COLB STOCK PRICE DECREASE: Columbia Banking System Inc on 04-04-2025 decreased stock price > 10% from $25.12 to $21.82 |
| Feb 14,2025 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 02-14-2025 declared a dividend of $0.3600 per share |
| Nov 15,2024 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 11-15-2024 declared a dividend of $0.3600 per share |
| Nov 07,2024 - COLB STOCK PRICE INCREASE: Columbia Banking System Inc on 11-07-2024 increased stock price > 10% from $28.18 to $31.69 |
| Aug 12,2024 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 08-12-2024 declared a dividend of $0.3600 per share |
| Jul 27,2024 - COLB STOCK PRICE INCREASE: Columbia Banking System Inc on 07-27-2024 increased stock price > 10% from $24.19 to $26.99 |
| May 13,2024 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 05-13-2024 declared a dividend of $0.3600 per share |
| Feb 09,2024 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 02-09-2024 declared a dividend of $0.3600 per share |
| Jan 26,2024 - COLB STOCK PRICE DECREASE: Columbia Banking System Inc on 01-26-2024 decreased stock price > 10% from $25.59 to $20.18 |
| Nov 13,2023 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 11-13-2023 declared a dividend of $0.3600 per share |
| Aug 14,2023 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 08-14-2023 declared a dividend of $0.3600 per share |
| May 16,2023 - DIVIDEND RATE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 05-16-2023 increased dividend rate > 3% from $1.20 to $1.44 |
| May 15,2023 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 05-15-2023 declared a dividend of $0.3600 per share |
| Mar 14,2023 - COLB STOCK PRICE DECREASE: Columbia Banking System Inc on 03-14-2023 decreased stock price > 10% from $23.92 to $20.54 |
| Jan 24,2023 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 01-24-2023 declared a dividend of $0.3000 per share |
| Jul 21,2022 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 07-21-2022 declared a dividend of $0.3000 per share |
| Oct 13,2021 - COLB STOCK PRICE DECREASE: Columbia Banking System Inc on 10-13-2021 decreased stock price > 10% from $39.57 to $33.68 |
| Oct 01,2021 - DIVIDEND RATE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 10-01-2021 increased dividend rate > 3% from $1.12 to $1.20 |
| Sep 30,2021 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 09-30-2021 declared a dividend of $0.3000 per share |
| Jul 29,2021 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 07-29-2021 declared a dividend of $0.2800 per share |
| Apr 29,2021 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 04-29-2021 declared a dividend of $0.2800 per share |
| Jan 28,2021 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 01-28-2021 declared a dividend of $0.2800 per share |
| Nov 10,2020 - STOCK PRICE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 11-10-2020 increased stock price > 10% from $27.68 to $33.19 |
| Jul 23,2020 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 07-23-2020 declared a dividend of $0.2800 per share |
| Jun 06,2020 - CLOSE PRICE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 06-06-2020 increased close price > 10% from $26.27 to $29.39 |
| Apr 30,2020 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 04-30-2020 declared a dividend of $0.2800 per share |
| Apr 04,2020 - CLOSE PRICE DECREASE: Columbia Banking System Inc (NASDAQ: COLB) on 04-04-2020 decreased close price > 10% from $26.90 to $23.81 |
| Mar 27,2020 - CLOSE PRICE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 03-27-2020 increased close price > 10% from $23.05 to $26.23 |
| Mar 25,2020 - CLOSE PRICE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 03-25-2020 increased close price > 10% from $22.09 to $24.31 |
| Mar 24,2020 - CLOSE PRICE DECREASE: Columbia Banking System Inc (NASDAQ: COLB) on 03-24-2020 decreased close price > 10% from $24.67 to $22.09 |
| Mar 21,2020 - CLOSE PRICE DECREASE: Columbia Banking System Inc (NASDAQ: COLB) on 03-21-2020 decreased close price > 10% from $27.83 to $24.67 |
| Mar 18,2020 - CLOSE PRICE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 03-18-2020 increased close price > 10% from $25.46 to $29.05 |
| Mar 17,2020 - CLOSE PRICE DECREASE: Columbia Banking System Inc (NASDAQ: COLB) on 03-17-2020 decreased close price > 10% from $28.39 to $25.46 |
| Mar 10,2020 - CLOSE PRICE DECREASE: Columbia Banking System Inc (NASDAQ: COLB) on 03-10-2020 decreased close price > 10% from $31.83 to $27.76 |
| Jan 23,2020 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 01-23-2020 declared a dividend of $0.2800 per share |
| Oct 24,2019 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 10-24-2019 declared a dividend of $0.2800 per share |
| Jul 25,2019 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 07-25-2019 declared a dividend of $0.2800 per share |
| Apr 25,2019 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 04-25-2019 declared a dividend of $0.2800 per share |
| Jan 25,2019 - DIVIDEND RATE INCREASE: Columbia Banking System Inc (NASDAQ: COLB) on 01-25-2019 increased dividend rate > 3% from $1.04 to $1.12 |
| Jan 24,2019 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 01-24-2019 declared a dividend of $0.2800 per share |
| Oct 25,2018 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 10-25-2018 declared a dividend of $0.2600 per share |
| Jul 26,2018 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) on 07-26-2018 declared a dividend of $0.2600 per share |
| Apr 26,2018 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) today declared a dividend of $0.2600 per share |
| Jan 25,2018 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) today declared a dividend of $0.2200 per share |
| Jul 27,2017 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) today declared a dividend of $0.2200 per share |
| Jan 26,2017 - DIVIDEND ANNOUNCEMENT: Columbia Banking System Inc (NASDAQ: COLB) today declared a dividend of $0.2200 per share |
| Oct 27,2016 - DIVIDEND STOCK ANNOUNCEMENT: Columbia Banking System, Inc. (NASDAQ: COLB) today declared a dividend of $0.2000 per share |
| Jul 28,2016 - DIVIDEND STOCK ANNOUNCEMENT: Columbia Banking System, Inc. (NASDAQ: COLB) today declared a dividend of $0.2000 per share |
| Apr 27,2016 - DIVIDEND STOCK ANNOUNCEMENT: Columbia Banking System, Inc. (NASDAQ: COLB) today declared a dividend of $0.1800 per share |
| Jan 28,2016 - DIVIDEND STOCK ANNOUNCEMENT: Columbia Banking System, Inc. (NASDAQ: COLB) today declared a dividend of $0.2000 per share |
| Oct 29,2015 - DIVIDEND STOCK ANNOUNCEMENT: Columbia Banking System, Inc. (NASDAQ: COLB) today declared a dividend of $0.1800 per share |
