GWW: Financial results

Item 2.02. Results of Operations and Financial Condition. On November 4, 2026, W.W. Grainger, Inc. issued a press release announcing its financial results for the third quarter ended September 30, 2026. A copy is furnished as Exhibit 99.1 to this report. Item 9.01. Financial Statements and Exhibits. (d) Exhibits. Exhibit No. Description of Exhibit 99.1 Press release announcing financial results for the third quarter ended September 30, 2026. 104 Cover Page Interactive Data File (the cover page XBRL tags are embedded within the Inline XBRL Document) SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: November 4, 2026 W.W. GRAINGER, INC. By: /s/ Laurie R. Thomson Name: Laurie R. Thomson Title: Interim Chief Financial Officer, Vice President, and Controller