W.w. Grainger (GWW) 4: Jaspon Katherine D. bought 4 shares at $1,309.49 on 2026-09… (Sep 1, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-09-01 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: 2026-09-01 | Code: A (Grant or award) Shares: +4 | Price: $1,309.49 Shares Owned After: 4 | 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: 2026-09-01 | Code: G (Gift) Shares: -4 | 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 #3] Security: Deferred Stock Units Date: 2026-09-01 | Code: G (Gift) Shares: +4 | Price: $0.00 Shares Owned After: 1,854 | 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 (2026-09-01)