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: Thomson Laurie R CIK: 0001859197 Role: Officer (VP, Controller) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -240 | Price: $1,230.82 Total Value: $295,396.80 Shares Owned After: 472 | 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 $1,230.45 to $1,231.03, 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 (4). [Transaction #2] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -10 | Price: $1,231.52 Total Value: $12,315.20 Shares Owned After: 462 | Ownership: D (Direct) [Transaction #3] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -20 | Price: $1,233.76 Total Value: $24,675.20 Shares Owned After: 442 | 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 $1,233.28 to $1,234.25, inclusive. [Transaction #4] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -20 | Price: $1,234.70 Total Value: $24,694.00 Shares Owned After: 422 | 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 $1,234.44 to $1,234.97, inclusive. [Transaction #5] Security: Common Stock Date: 2026-05-12 | Code: S (Open market sale) Shares: -23 | Price: $1,236.43 Total Value: $28,437.89 Shares Owned After: 399 | 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 $1,236.29 to $1,236.54, inclusive. --- 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 $1,230.45 to $1,231.03, 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 (4). F2: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,233.28 to $1,234.25, inclusive. F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,234.44 to $1,234.97, inclusive. F4: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at price ranging from $1,236.29 to $1,236.54, inclusive. --- Signature --- /s/ /s/ Cherita Thomas, by POA from Laurie R. Thomson, VP, Controller (2026-05-14)