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: 2026-05-12 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: W.W. GRAINGER, INC. (GWW) CIK: 0000277135 --- Reporting Owner --- Name: Jaspon Katherine D. CIK: 0001703485 Role: Director --- Derivative Transactions --- [Transaction #1] Security: Deferred Stock Units Date: 2026-05-12 | Code: G (Gift) Shares: -288 | Price: $0.00 Shares Owned After: 0 | 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. [Transaction #2] Security: Deferred Stock Units Date: 2026-05-12 | Code: G (Gift) Shares: +288 | Price: $0.00 Shares Owned After: 1,847 | Ownership: I (Indirect) | Nature: Family Trust 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. [F3] Shares held in a trust for which Ms. Jaspon's spouse serves as a co-trustee, and her spouse and any mutual descendants of her and her spouse are beneficiaries. --- 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. F3: Shares held in a trust for which Ms. Jaspon's spouse serves as a co-trustee, and her spouse and any mutual descendants of her and her spouse are beneficiaries. --- Signature --- /s/ /s/ Cherita Thomas, by POA from Katherine D. Jaspon, Director (2026-05-12)