XML 32 R20.htm IDEA: XBRL DOCUMENT v3.25.3
Insider Trading Arrangements
 3 Months Ended
Sep. 30, 2025
shares
Trading Arrangements, by Individual  
Non-Rule 10b5-1 Arrangement Adopted false
Rule 10b5-1 Arrangement Terminated false
Non-Rule 10b5-1 Arrangement Terminated false
D.G. Macpherson [Member]  
Trading Arrangements, by Individual  
Name D.G. Macpherson
Title Chief Executive Officer
Rule 10b5-1 Arrangement Adopted true
Adoption Date September 4, 2025
Expiration Date September 1, 2026
Arrangement Duration 362 days
Aggregate Available 30,663
D.G. Macpherson [Member]  
Trading Arrangements, by Individual  
Material Terms of Trading Arrangement
On September 4, 2025, D.G. Macpherson, Grainger’s Chief Executive Officer, adopted a written plan for the exercise of options and sale of shares received. The aggregate number of options subject to the plan is 30,663 and excludes shares withheld by the financial advisor to satisfy transaction costs and income tax withholding obligations in connection with the net settlement of the options and shares. The plan is a multi-trade plan, is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) and will expire on September 1, 2026, or any earlier date on which all of the shares have been sold.