W.W. GRAINGER, INC. (GWW) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-01 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: W.W. GRAINGER, INC. (GWW) CIK: 0000277135 --- Reporting Owner --- Name: KLEIN CHRISTOPHER J CIK: 0001257210 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Deferred Stock Units Date: 2026-06-01 | Code: A (Grant or award) Shares: +1 | Price: $1,234.24 Shares Owned After: 616 | Ownership: D (Direct) Footnotes: [F1] 1-for-1 [F2] The deferred stock units are expected to settle in shares of common stock on a one-for-one basis following end of service as a director. [F2] The deferred stock units are expected to settle in shares of common stock on a one-for-one basis following end of service as a director. --- Holdings --- [Holding #1] Security: Common Stock Ownership: D (Direct) --- Footnotes (Complete Index) --- F1: 1-for-1 F2: The deferred stock units are expected to settle in shares of common stock on a one-for-one basis following end of service as a director. --- Signature --- /s/ /s/ Cherita Thomas, by POA from Christopher J. Klein, Director (2026-06-02)