W.W. Grainger, Inc. issued a press release on May 7, 2026, announcing its financial results for the first quarter ended March 31, 2026. The filing serves as the formal disclosure of the company's quarterly operating results and financial condition.

W.W. Grainger, Inc. announced its financial results for the fourth quarter ended December 31, 2025, through a press release issued on February 3, 2026. The filing serves as the formal notification of the company's quarterly earnings release.

W.W. Grainger, Inc. issued a press release on October 31, 2025, announcing its financial results for the third quarter ended September 30, 2025. The specific financial figures are contained in the accompanying press release filed as Exhibit 99.1.

W.W. Grainger, Inc. issued a press release on August 1, 2025, announcing its financial results for the second quarter ended June 30, 2025. The specific financial figures for the quarter are contained in the accompanying exhibit.