Phenix Q. Kiamilev - 27 Oct 2025 Form 4 Insider Report for WD 40 CO (WDFC)

Role
VP, GC & Chief Compliance Ofcr
Signature
Ann T. Nguyen, attorney-in-fact for Phenix Q. Kiamilev
Issuer symbol
WDFC
Transactions as of
27 Oct 2025
Net transactions value
$0
Form type
4
Filing time
28 Oct 2025, 21:27:02 UTC
Previous filing
10 Oct 2025
Next filing
29 Oct 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
KIAMILEV PHENIX Q. VP, GC & Chief Compliance Ofcr C/O: WD-40 COMPANY, 9715 BUSINESSPARK AVENUE, SAN DIEGO Ann T. Nguyen, attorney-in-fact for Phenix Q. Kiamilev 28 Oct 2025 0001896675

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDFC Common Stock Tax liability -267 -5.6% 4,542 27 Oct 2025 By Trust F1, F2
transaction WDFC Commont Stock Tax liability -294 -6.5% 4,248 27 Oct 2025 By Trust F2, F3, F4
* 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 741 RSUs.
F2 Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.
F3 Shares withheld pursuant to mandatory provisions of Market Share Unit (MSU) Award Agreement in satisfaction of tax withholding obligations upon vesting of 821 MSUs.
F4 Amount reported includes: (i) 1,663 unvested RSUs, (ii) 68 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 213 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.