Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Berardinelli Krantz Nancy L 2. Issuer Name and Ticker or Trading Symbol W.W. GRAINGER, INC. [GWW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Sr. VP & CLO (Last) (First) (Middle) 100 GRAINGER PARKWAY 3. Date of Earliest Transaction (Month/Day/Year) 04/01/2026 (Street) LAKE FOREST, IL 60045 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/01/2026 A(1) 863 A $ 0 3,660 D Common Stock 04/01/2026 F(2) 383 D $1,090.81 3,277 D Common Stock 04/01/2026 A(3) 903 A $ 0 4,180 D Common Stock 04/01/2026 F(4) 142 D $1,090.81 4,038 D Common Stock 04/01/2026 F(5) 119 D $1,090.81 3,919 D Common Stock 04/01/2026 F(6) 128 D $1,090.81 3,791 D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Berardinelli Krantz Nancy L 100 GRAINGER PARKWAY LAKE FOREST, IL 60045			Sr. VP & CLO

Signatures

/s/ Cherita Thomas, by POA from Nancy L. Berardinelli-Krantz, Sr. VP and CLO		04/02/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These were vested performance stock units ("PSUs"), granted on April 1, 2023. The Company's performance over the three-year period ended December 31, 2025 achieved a payout equal to 90% of the 2023 PSU program target, as approved by the Board of Directors of the Company (the "Board") acting in executive session with only independent directors participating, on February 18, 2026 upon the earlier determination of the Compensation Committee of the Board.
(2)	Shares withheld for tax withholding for the PSU settlement described in footnote 1.
(3)	April 1, 2026 award of restricted stock units ("RSU"). All RSUs will be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award will vest in three tranches, where 1/3 vests on April 1, 2027, 1/3 vests on April 1, 2028, and the remainder vests on April 1, 2029.
(4)	Shares withheld for tax withholding for the partial settlement of the April 1, 2023 award of RSUs. The RSU award will be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award vested in three tranches, where 1/3 vested on April 1, 2024, 1/3 vested on April 1, 2025, and the remainder vested on April 1, 2026.
(5)	Shares withheld for tax withholding for the partial settlement of the April 1, 2024 award of RSUs. The RSU award will be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award vests in three tranches, where 1/3 vested on April 1, 2025, 1/3 vested on April 1, 2026, and the remainder vests on April 1, 2027.
(6)	Shares withheld for tax withholding for the partial settlement of the April 1, 2025 award of RSUs. The RSU award will be settled after vesting by the delivery of unrestricted shares of common stock on a one-for-one basis. This award vests in three tranches, where 1/3 vested on April 1, 2026, 1/3 vests on April 1, 2027, and the remainder vests on April 1, 2028.

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