December 5, 2025 · Form 4 insider transaction
Macpherson Donald G bought 12,163 shares of W.W. Grainger, Inc. at $311.26 per share, a transaction worth $3.79M. The trade was recorded as option exercise under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.
Transaction pursuant to a Rule 10b5-1 trading program adopted on September 4, 2025.