William B. Noble - Oct 27, 2025 Form 4 Insider Report for WD 40 CO (WDFC)

Role
Group Managing Director
Signature
Ann T. Nguyen, attorney-in-fact for William B. Noble
Stock symbol
WDFC
Transactions as of
Oct 27, 2025
Transactions value $
$0
Form type
4
Date filed
10/29/2025, 09:15 AM
Previous filing
Nov 14, 2024
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
NOBLE WILLIAM B Group Managing Director C/O: WD-40 COMPANY, 9715 BUSINESSPARK AVE., SAN DIEGO Ann T. Nguyen, attorney-in-fact for William B. Noble 2025-10-29 0001253564

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDFC Common Stock Tax liability -258 -3.23% 7.74K Oct 27, 2025 Direct F1
transaction WDFC Common Stock Tax liability -316 -3.76% 8.1K Oct 27, 2025 Direct F2, F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 546 RSUs.
F2 Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 672 MSUs.
F3 Total includes: (i) 479 unvested restricted stock units, (ii) 522 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 280 vested deferred performance units, which are Common Stock equivalents.