COLUMBIA BANKING SYSTEM INC

For the period ended Jun 30, 2024. Filed Aug 6, 2024.

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2024 · Filed Aug 6, 2024

COLB$30.85-0.5%Stored close · as of Nov 10, 2026

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Contents

Item 6. Exhibits

Exhibit #	Description	Location
3.1	Restated Articles of Incorporation	Incorporated by reference to Exhibit 3.1 to Form 10-Q filed May 9, 2023
3.2	Amended and Restated Bylaws	Incorporated by reference to Exhibit 3.4 to Form 8-K filed March 1, 2023
4.1	Specimen Common Stock Certificate	Incorporated by reference to Exhibit 4.3 of the Company’s S-3 Registration Statement (File No. 333-156350) filed December 19, 2008
4.2	The Company agrees to furnish upon request to the Commission a copy of each instrument defining the rights of holders of senior and subordinated debt of the Company.
10.1**	Columbia Banking System, Inc. 2024 Equity Incentive Plan	Incorporated by reference to Exhibit 10.1 to Form 8-K filed May 9, 2024
10.2**	Second Amendment to Amended and Restated Employee Stock Purchase Plan of Columbia Banking System, Inc.	Incorporated by reference to Exhibit 10.6 to Form 8-K filed May 9, 2024
31.1	Certification of Chief Executive Officer under Section 302 of the Sarbanes-Oxley Act of 2002
31.2	Certification of Chief Financial Officer under Section 302 of the Sarbanes-Oxley Act of 2002
31.3	Certification of Principal Accounting Officer under Section 302 of the Sarbanes-Oxley Act of 2002
32	Certification of Chief Executive Officer, Chief Financial Officer and Principal Accounting Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	Inline XBRL Instance Document – The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document
101.SCH	Inline XBRL Taxonomy Extension Schema Document
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104	The cover page from the Company's Quarterly Report on Form 10-Q for the quarter ended June 30, 2024, formatted in Inline XBRL (included in Exhibit 101)

** Management contract or compensatory plan or arrangement

ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.