Phenix Q. Kiamilev - Oct 28, 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
Stock symbol
WDFC
Transactions as of
Oct 28, 2025
Transactions value $
$11,025
Form type
4
Date filed
10/29/2025, 08:40 PM
Previous filing
Oct 28, 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 2025-10-29 0001896675

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDFC Common Stock Purchase $11K +55 +1.29% $200.46 4.3K Oct 28, 2025 By Trust F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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) 268 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.
F2 Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.