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: Robbins Paige K CIK: 0001688983 Role: Officer (Sr. VP) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -382 | Price: $1,229.68 Total Value: $469,737.76 Shares Owned After: 3,307 | Ownership: D (Direct) Footnotes: [F1] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,229.26 to $1,229.80, inclusive. The reporting person undertakes to provide W.W. Grainger, Inc., any security holder of W.W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) through (5). [Transaction #2] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -247 | Price: $1,231.78 Total Value: $304,249.66 Shares Owned After: 3,060 | Ownership: D (Direct) Footnotes: [F2] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,231.19 to $1,232.12, inclusive. [Transaction #3] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -351 | Price: $1,232.98 Total Value: $432,775.98 Shares Owned After: 2,709 | Ownership: D (Direct) Footnotes: [F3] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,232.37 to $1,233.36, inclusive. [Transaction #4] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -356 | Price: $1,233.89 Total Value: $439,264.84 Shares Owned After: 2,353 | Ownership: D (Direct) Footnotes: [F4] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,233.37 to $1,234.19, inclusive. [Transaction #5] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -121 | Price: $1,234.89 Total Value: $149,421.69 Shares Owned After: 2,232 | Ownership: D (Direct) Footnotes: [F5] The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,234.39 to $1,235.20, inclusive. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F6] Family trust. The reporting person has voting and investment power with respect to the shares. --- Footnotes (Complete Index) --- F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,229.26 to $1,229.80, inclusive. The reporting person undertakes to provide W.W. Grainger, Inc., any security holder of W.W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (1) through (5). F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,231.19 to $1,232.12, inclusive. F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,232.37 to $1,233.36, inclusive. F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,233.37 to $1,234.19, inclusive. F5: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,234.39 to $1,235.20, inclusive. F6: Family trust. The reporting person has voting and investment power with respect to the shares. --- Signature --- /s/ /s/ Cherita Thomas, by POA from Paige K. Robbins, Sr. VP (2026-05-14)