8-K

Columbia Banking System, Inc. (COLB)

8-K 2022-05-26 For: 2022-05-26
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Added on April 10, 2026

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):

May 26, 2022

COLUMBIA BANKING SYSTEM, INC.

(Exact name of registrant as specified in its charter)

Washington 000-20288 91-1422237
(State or other jurisdiction<br>of incorporation) (Commission<br>File Number) (IRS Employer<br>Identification No.)

1301 A Street

Tacoma, WA 98402-2156

(Address of principal executive offices and zip code)

(253) 305-1900

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
--- --- Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
--- --- Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
--- ---

Securities registered pursuant to Section 12(b) of the Act:

Title of each class Trading symbol Name of each exchange on which registered
Common Stock, No Par Value COLB The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01     Regulation FD Disclosure

Today, Columbia Banking System, Inc. (the "Company") is updating its First Quarter 2022 Investor Presentation to include updated information regarding the pending combination with Umpqua Holdings Corporation. A copy of the updated presentation will be posted on the Company's website under "About - Investor Relations.”

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: May 26, 2022 /s/ Kumi Yamamoto Baruffi
Kumi Yamamoto Baruffi
Executive Vice President
General Counsel, Corporate Secretary