COLUMBIA SPORTSWEAR CO 10-Q

ITEM 5. Other Information Securities Trading Plans On February 20, 2026 , Jim Swanson , an officer , adopted a written plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) (the "Plan"). The Plan calls for the disposition of 3,907 and 4,033 stock options (the "Awards") granted January 26, 2017 and July 20, 2017, respectively. The Plan will expire on the earlier of (a) July 31, 2026 , (b) the first date on which all trades have been executed, or (c) as soon as practicable following the date of any written notices resulting in plan termination. No other "Rule 10b5-1 trading arrangements" or “non-Rule 10b5-1 trading arrangements” (as each term is defined by Regulation S-K Item 408(a)) were entered into or terminated by our directors or officers (as defined in Rule 16a-1(f) under the Exchange Act) during the first quarter of 2026. ITEM 6. EXHIBITS (a) | See Exhibit Index below for a description of the documents that are filed as Exhibits to this Quarterly Report on Form 10-Q or incorporated herein by reference. COLUMBIA SPORTSWEAR COMPANY | Q1 2026 FORM 10-Q | 41 Table of Contents EXHIBIT INDEX Exhibit No. Exhibit Name 3.1 Third Restated Articles of Incorporation (incorporated by reference to exhibit 3.1 to the Company's Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2000) (File No. 000-23939). 3.1(a) Amendment to Third Restated Articles of Incorporation (incorporated by reference to exhibit 3.1 to the Company's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2002) (File No. 000-23939). 3.1(b) Second Amendment to Third Restated Articles of Incorporation (incorporated by reference to exhibit 3.1 to the Company's Quarterly Report on Form 10-Q for the quarterly period ended June 30, 2018) (File No. 000-23939). 3.2 2023 Amended and Restated Bylaws of Columbia Sportswear Company (incorporated by reference to exhibit 3.2 to the Company's Form 8-K filed on February 1, 2023) (File No. 000-23939). 10.1 Credit Agreement dated March 19, 2026, among Columbia Sportswear Company, JPMorgan Chase Bank, National Association, as the administrative agent for lenders and as a lender, and the other lenders party thereto (incorporated by reference to exhibit 10.1 to the Company's Form 8-K, filed on March 20, 2026) (File No. 000-23939). 31.1 Rule 13a-14(a) Certification of Timothy P. Boyle, Chairman, President and Chief Executive Officer. 31.2 Rule 13a-14(a) Certification of Jim A. Swanson, Executive Vice President and Chief Financial Officer. 32.1 Section 1350 Certification of Timothy P. Boyle, Chairman, President and Chief Executive Officer. 32.2 Section 1350 Certification of Jim A. Swanson, Executive Vice President and Chief Financial Officer. 101.INS 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 XBRL Taxonomy Extension Schema Document 101.CAL XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF XBRL Taxonomy Extension Definition Linkbase Document 101.LAB XBRL Taxonomy Extension Label Linkbase Document 101.PRE XBRL Taxonomy Extension Presentation Linkbase Document 104 Cover Page Interactive Data File, formatted as Inline XBRL and contained in Exhibit 101 COLUMBIA SPORTSWEAR COMPANY | Q1 2026 FORM 10-Q | 42 Table of Contents SIGNATURES Pursuant to the requirements of Section 13 or Section 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. COLUMBIA SPORTSWEAR COMPANY Date: May 7, 2026 By: /s/ JIM A. SWANSON Jim A. Swanson Executive Vice President and Chief Financial Officer (Duly Authorized Officer and Principal Financial and Accounting Officer) COLUMBIA SPORTSWEAR COMPANY | Q1 2026 FORM 10-Q | 43