XNAS 31 Oct, 2025 5:30 PM (EDT)
| Ex-date | Purpose | Notes |
|---|---|---|
| 25 Feb 2026 | Columbia Banking System Inc Annual Report for 2025 | - |
| 23 Jan 2026 | Columbia Banking System Inc Fourth Quarter Earnings Results for 2025 | - |
| 23 Jan 2026 | Columbia Banking System Inc Fourth Quarter Earnings Conference Call for 2025 | - |
| 30 Oct 2025 | Columbia Banking System Inc Third Quarter Earnings Results for 2025 | - |
| 30 Oct 2025 | Columbia Banking System Inc Third Quarter Earnings Conference Call for 2025 | - |
| 24 Oct 2025 | Columbia Banking System Inc Third Quarter Earnings Results for 2025 | - |
| 24 Oct 2025 | Columbia Banking System Inc Third Quarter Earnings Conference Call for 2025 | - |
| 10 Sep 2025 | Columbia Banking System to Present at the Barclays Global Financial Services Conference 2025 | - |
| 25 Jul 2025 | Columbia Banking System Inc Second Quarter Earnings Results for 2025 | - |
| 25 Jul 2025 | Columbia Banking System Inc Second Quarter Earnings Conference Call for 2025 | - |
| 24 Jul 2025 | Columbia Banking System Inc Second Quarter Earnings Result for 2025 | - |
| 24 Jul 2025 | Columbia Banking System Inc Second Quarter Earnings Conference Call for 2025 | - |
| 15 May 2025 | Columbia Banking System Inc Annual General Meeting for 2025 | - |
| 08 May 2025 | Columbia Banking System Inc Annual General Meeting for 2025 | - |
| 25 Apr 2025 | Columbia Banking System Inc First Quarter Earnings Results for 2025 | - |
| 25 Apr 2025 | Columbia Banking System Inc First Quarter Earnings Conference Call for 2025 | - |
| 24 Apr 2025 | Columbia Banking System Inc First Quarter Earnings Result for 2025 | - |
| 24 Apr 2025 | Columbia Banking System Inc First Quarter Earnings Conference Call for 2025 | - |
| 23 Apr 2025 | Columbia Banking System Inc First Quarter Earnings Result for 2025 | - |
| 23 Apr 2025 | Columbia Banking System Inc First Quarter Earnings Conference Call for 2025 | - |
| 05 Mar 2025 | 2025 RBC Capital Markets Global Financial Institutions Conference | - |
| 27 Feb 2025 | Columbia Banking System Inc Annual Report for 2024 | - |
| 25 Feb 2025 | Columbia Banking System Inc Annual Report for 2024 | - |
| 24 Jan 2025 | Columbia Banking System Inc Fourth Quarter Earnings Results for 2024 | - |
| 24 Jan 2025 | Columbia Banking System Inc Fourth Quarter Earnings Conference Call for 2024 | - |
| 23 Jan 2025 | Columbia Banking System Inc Fourth Quarter Earnings Result for 2024 | - |
| 23 Jan 2025 | Columbia Banking System Inc Fourth Quarter Earnings Conference Call for 2024 | - |
| 24 Oct 2024 | Columbia Banking System Inc Third Quarter Earnings Result for 2024 | - |
| 24 Oct 2024 | Columbia Banking System Inc Third Quarter Earnings Conference Call for 2024 | - |
| 18 Oct 2024 | Columbia Banking System Inc Third Quarter Earnings Results for 2024 | - |
| 18 Oct 2024 | Columbia Banking System Inc Third Quarter Earnings Conference Call for 2024 | - |
| 10 Sep 2024 | Barclays Global Financial Services Conference | - |
| 25 Jul 2024 | Columbia Banking System Inc Second Quarter Earnings Result for 2024 | - |
| 25 Jul 2024 | Columbia Banking System Inc Second Quarter Earnings Conference Call for 2024 | - |
| 19 Jul 2024 | Columbia Banking System Inc Second Quarter Earnings Results for 2024 | - |
| 19 Jul 2024 | Columbia Banking System Inc Second Quarter Earnings Conference Call for 2024 | - |
| 17 May 2024 | Columbia Banking System Inc Annual General Meeting for 2024 | - |
| 15 May 2024 | Columbia Banking System Inc First Quarter Earnings Results for 2024 | - |
| 15 May 2024 | Columbia Banking System Inc First Quarter Earnings Conference Call for 2024 | - |
| 08 May 2024 | Columbia Banking System Inc Annual General Meeting for 2024 | - |
| 25 Apr 2024 | Columbia Banking System Inc First Quarter Earnings Result for 2024 | - |
| 25 Apr 2024 | Columbia Banking System Inc First Quarter Earnings Conference Call for 2024 | - |
| 06 Mar 2024 | Columbia Banking System RBC Capital Markets Global Financial Institutions Conference | - |
| 05 Mar 2024 | Columbia Banking System Raymond James & Associates 45th Annual Institutional Investors Conference | - |
| 27 Feb 2024 | Columbia Banking System Inc Annual Report for 2023 | - |
| 23 Feb 2024 | Umpqua Holdings Corp Annual Report for 2023 | - |
| 24 Jan 2024 | Columbia Banking System Inc Fourth Quarter Earnings Conference Call for 2023 | - |
| 24 Jan 2024 | Columbia Banking System Inc Fourth Quarter Earnings Result for 2023 | - |
| 23 Jan 2024 | Umpqua Holdings Corp Fourth Quarter Earnings Results for 2023 | - |
| 20 Oct 2023 | Umpqua Holdings Corp Third Quarter Earnings Conference Call for 2023 | - |
| 19 Oct 2023 | Umpqua Holdings Corp Third Quarter Earnings Results for 2023 | - |
| 18 Oct 2023 | Columbia Banking System Inc Third Quarter Earnings Result for 2023 | - |
| 18 Oct 2023 | Columbia Banking System Inc Third Quarter Earnings Conference Call for 2023 | - |
| 19 Jul 2023 | Columbia Banking System Inc Second Quarter Earnings Result for 2023 | - |
| 19 Jul 2023 | Columbia Banking System Inc Second Quarter Earnings Conference Call for 2023 | - |
| 18 May 2023 | Columbia Banking System Inc Annual General Meeting for 2023 | - |
| 15 May 2023 | Columbia Banking System Inc First Quarter Earnings Result for 2023 | - |
| 15 May 2023 | Columbia Banking System Inc First Quarter Earnings Conference Call for 2023 | - |
| 24 Feb 2023 | Umpqua Holdings Corp Annual Report for 2022 | - |
| 24 Jan 2023 | Umpqua Holdings Corp Fourth Quarter Earnings Conference Call for 2022 | - |
| 23 Jan 2023 | Umpqua Holdings Corp Fourth Quarter Earnings Results for 2022 | - |
| 20 Oct 2022 | Umpqua Holdings Corp Third Quarter Earnings Conference Call for 2022 | - |
| 19 Oct 2022 | Umpqua Holdings Corp Third Quarter Earnings Results for 2022 | - |
| 21 Jul 2022 | Umpqua Holdings Corp Second Quarter Earnings Conference Call for 2022 | - |
| 20 Jul 2022 | Umpqua Holdings Corp Second Quarter Earnings Results for 2022 | - |
| 21 Apr 2022 | Umpqua Holdings Corp First Quarter Earnings Conference Call for 2022 | - |
| 20 Apr 2022 | Umpqua Holdings Corp First Quarter Earnings Results for 2022 | - |
| 25 Feb 2022 | Umpqua Holdings Corp Annual Report for 2021 | - |
| 20 Jan 2022 | Umpqua Holdings Corp Fourth Quarter Earnings Conference Call for 2021 | - |
| 19 Jan 2022 | Umpqua Holdings Corp Fourth Quarter Earnings Results for 2021 | - |
| 21 Oct 2021 | Umpqua Holdings Corp Third Quarter Earnings Conference Call for 2021 | - |
| 20 Oct 2021 | Umpqua Holdings Corp Third Quarter Earnings Results for 2021 | - |
| 22 Jul 2021 | Umpqua Holdings Corp Second Quarter Earnings Conference Call for 2021 | - |
| 21 Jul 2021 | Umpqua Holdings Corp Second Quarter Earnings Results for 2021 | - |
| 22 Apr 2021 | Umpqua Holdings Corp First Quarter Earnings Conference Call for 2021 | - |
| 21 Apr 2021 | Umpqua Holdings Corp First Quarter Earnings Results for 2021 | - |
| 20 Apr 2021 | Umpqua Holdings Corp Annual General Meeting for 2020 | - |
| 25 Feb 2021 | Umpqua Holdings Corp Annual Report for 2020 | - |
| 21 Jan 2021 | Umpqua Holdings Corp Fourth Quarter Earnings Conference Call for 2020 | - |
| 20 Jan 2021 | Umpqua Holdings Corp Fourth Quarter Earnings Results for 2020 | - |
| 22 Oct 2020 | Umpqua Holdings Corp Third Quarter Earnings Conference Call for 2020 | - |
| 21 Oct 2020 | Umpqua Holdings Corp Third Quarter Earnings Results for 2020 | - |
| 23 Jul 2020 | Umpqua Holdings Corp Second Quarter Earnings Conference Call for 2020 | - |
| 22 Jul 2020 | Umpqua Holdings Corp Second Quarter Earnings Results for 2020 | - |
| 23 Apr 2020 | Umpqua Holdings Corp First Quarter Earnings Conference Call for 2020 | - |
| 22 Apr 2020 | Umpqua Holdings Corp First Quarter Earnings Results for 2020 | - |
| 20 Apr 2020 | Umpqua Holdings Corp Annual General Meeting for 2019 | - |
| 28 Feb 2020 | Umpqua Holdings Corp Annual Report for 2019 | - |
| 23 Jan 2020 | Umpqua Holdings Corp Fourth Quarter Earnings Conference Call for 2019 | - |
| 22 Jan 2020 | Umpqua Holdings Corp Fourth Quarter Earnings Results for 2019 | - |
| 17 Oct 2019 | Umpqua Holdings Corp Third Quarter Earnings Conference Call for 2019 | - |
| 16 Oct 2019 | Umpqua Holdings Corp Third Quarter Earnings Results for 2019 | - |
| 18 Jul 2019 | Umpqua Holdings Corp Second quarter earnings Conference Call in 2019 | - |
| 17 Jul 2019 | Umpqua Holdings Corp Second quarter earnings in 2019 Release | - |
| 18 Apr 2019 | Umpqua Holdings Corp First quarter earnings Conference Call in 2019 | - |
| 17 Apr 2019 | Umpqua Holdings Corp First quarter earnings results in 2019 | - |
| 17 Apr 2019 | Umpqua Holdings Corp Annual General Meeting in 2018 | - |
| 21 Feb 2019 | Umpqua Holdings Corp Annual Report in 2018 | - |
| 24 Jan 2019 | Umpqua Holdings Corp Fourth quarter earnings Conference Call in 2018 | - |
| 23 Jan 2019 | Umpqua Holdings Corp Fourth quarter earnings in 2018 Release | - |