Columbia Banking System, Inc 8-K, filed Nov 21, 2025
Columbia Banking System, Inc. (COLB)
About this 8-K
Columbia Banking System, Inc filed this 8-K on November 21, 2025, reporting on events of November 19, 2025.
Items reported
- Item 5.02: Director or officer change, or executive pay
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
CURRENT REPORT
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| Item 5.02 | Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. |
Effective as of the end of business on November 19, 2025, Lisa M. White ceased serving as Executive Vice President, Principal Accounting Officer and Corporate Controller of Columbia Banking System, Inc. and its subsidiary Columbia Bank (collectively, the “Company”).
Effective as of November 20, 2025, Brock Lakely was appointed as Executive Vice President, Chief Accounting Officer and Corporate Controller of the Company. In connection with his appointment as Executive Vice President, Chief Accounting Officer and Corporate Controller of the Company, Mr. Lakely’s annual base salary was increased to $360,000.
Mr. Lakely, age 46, served from April 3, 2023 through November 19, 2024 as the Company’s Chief Audit Executive. He previously served as the Company’s Chief Accounting Officer from May 20, 2018 through April 3, 2023. Mr. Lakely is a Certified Public Accountant, and he began his career as an auditor at Ernst & Young LLP where he focused on the financial services industry. He earned his Bachelor of Business Administration in accounting from Southwestern Oklahoma State University and his Master of Business Administration from Oklahoma State University.
There are no arrangements or understandings between Mr. Lakely and any person pursuant to which he was selected as Executive Vice President, Chief Accounting Officer and Corporate Controller of the Company. There are no family relationships between Mr. Lakely and any of the Company’s directors, executive officers or persons nominated or chosen by the Company to become a director or executive officer, and Mr. Lakely is not a party to any transaction requiring disclosure under Item 404(a) of Regulation S-K.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| COLUMBIA BANKING SYSTEM, INC. | ||||||
| Date: November 21, 2025 | By: | /s/ Kumi Yamamoto Baruffi | ||||
| Kumi Yamamoto Baruffi | ||||||
| EVP, General Counsel and Corporate Secretary | ||||||