colb-20200917
0000887343false00008873432020-09-172020-09-17

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):
September 17, 2020

COLUMBIA BANKING SYSTEM, INC.
(Exact name of registrant as specified in its charter)
Washington000-2028891-1422237
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
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 classTrading symbolName of each exchange on which registered
Common Stock, No Par ValueCOLBThe 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 Earnings Presentation Second Quarter 2020 to include updated information regarding its loan deferrals. 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:September 17, 2020/s/ Kumi Yamamoto Baruffi
Kumi Yamamoto Baruffi
Executive Vice President, General Counsel and
Corporate Secretary



v3.20.2
Document and Entity Information Document
Sep. 17, 2020
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Sep. 17, 2020
Entity Registrant Name COLUMBIA BANKING SYSTEM, INC.
Entity Incorporation, State or Country Code WA
Entity File Number 000-20288
Entity Tax Identification Number 91-1422237
Entity Address, Address Line One 1301 A Street
Entity Address, City or Town Tacoma
Entity Address, State or Province WA
Entity Address, Postal Zip Code 98402-2156
City Area Code 253
Local Phone Number 305-1900
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, No Par Value
Trading Symbol COLB
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0000887343
Amendment Flag false