Lucas E. Watson - 01 Sep 2025 Form 4 Insider Report for W.W. GRAINGER, INC. (GWW)

Role: Director
Signature: /s/ Paul Stanukinas, by POA from Lucas E. Watson, Director
Issuer symbol: GWW
Transactions as of: 01 Sep 2025
Net transactions value: +$12,162
Form type: 4
Filing time: 03 Sep 2025, 16:13:21 UTC
Previous filing: 03 Jun 2025
Next filing: 03 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Watson Lucas E	Director	100 GRAINGER PARKWAY, LAKE FOREST	/s/ Paul Stanukinas, by POA from Lucas E. Watson, Director	03 Sep 2025	0001725078

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	GWW	Common Stock						157	01 Sep 2025	Held in the Watson Trust.	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	GWW	Deferred Stock Units	Award	$12,162	+12	+0.21%	$1013.50	5,686	01 Sep 2025	Common Stock	12		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Held in the Watson Trust UA DTD December 17, 2015, of which the reporting person is co-trustee.
F2	1-for-1
F3	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.

Remarks:

Exhibits: Exhibit 24 - Power of Attorney.