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: White Steven Andrew CIK: 0001614711 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: 2,913 | Ownership: I (Indirect) | Nature: By 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] The stock units were gifted to the reporting person's spouse and were subsequently transferred by the spouse into a family trust of which the reporting person is trustee and primary beneficiary. The reporting person has voting and investment power with respect to all stock units held by the family trust. --- 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: The stock units were gifted to the reporting person's spouse and were subsequently transferred by the spouse into a family trust of which the reporting person is trustee and primary beneficiary. The reporting person has voting and investment power with respect to all stock units held by the family trust. --- Signature --- /s/ /s/ Cherita Thomas, by POA from Steven Andrew White, Director (2026-05-12)