Steven A. Brass - Oct 27, 2025 Form 4 Insider Report for WD 40 CO (WDFC)

Role
President and CEO, Director
Signature
Ann T. Nguyen, attorney-in-fact for Steven A. Brass
Stock symbol
WDFC
Transactions as of
Oct 27, 2025
Transactions value $
$0
Form type
4
Date filed
10/28/2025, 06:17 PM
Previous filing
Oct 10, 2025
Next filing
Oct 29, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Brass Steven A President and CEO, Director C/O: WD-40 COMPANY, 9715 BUSINESSPARK AVE., SAN DIEGO Ann T. Nguyen, attorney-in-fact for Steven A. Brass 2025-10-28 0001691913

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDFC Common Stock Tax liability -2.38K -6.3% 35.4K Oct 27, 2025 Direct F1
transaction WDFC Common Stock Tax liability -1.97K -5.58% 33.4K 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 4,684 RSUs.
F2 Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 3,883 MSUs.
F3 Amount reported includes: (i) 13,189 unvested RSUs, (ii) 1,218 shares of restricted Common Stock received upon settlement of performance stock units, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,259 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.