WD-40 (WDFC) officer buys 55 shares, indirect stake now 4,303

WD-40 Company (WDFC): Officer Phenix Q. Kiamilev reported an open‑market purchase of 55 shares of common stock at $200.46 on 10/28/2025.

Rhea-AI Filing Summary

WD-40 Company (WDFC): Officer Phenix Q. Kiamilev reported an open‑market purchase of 55 shares of common stock at $200.46 on 10/28/2025. The shares are held indirectly by The Kiamilev Family Trust.

Following the transaction, total beneficial ownership is 4,303 shares. The footnotes state this figure includes 1,663 unvested RSUs, 68 shares of restricted stock received upon PSU settlement, and 268 shares held in a WD‑40 Company Profit Sharing/401(k) account. Voting and investment power for the trust are shared with the reporting person’s spouse.

Insider Trade Summary

Net Buyer: 55 shares

Net Buy 1 txn

Insider KIAMILEV PHENIX Q.

Role VP, GC & Chief Compliance Ofcr

Bought 55 shs ($11K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	55	$200.46	$11K

Holdings After Transaction: Common Stock — 4,303 shares (Indirect, By Trust)

Footnotes (2)

1. 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.
2. F2. Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did WDFC officer Phenix Q. Kiamilev report on Form 4?

A purchase of 55 WD‑40 common shares at $200.46 on 10/28/2025, held indirectly by a family trust.

How many WDFC shares are beneficially owned after the trade?

Total beneficial ownership is 4,303 shares.

What components are included in the reported WDFC ownership?

It includes 1,663 unvested RSUs, 68 restricted shares from PSU settlement, and 268 shares in a Profit Sharing/401(k) account.

Was the WDFC purchase direct or indirect?

It was indirect, held by The Kiamilev Family Trust with shared voting and investment power with the spouse.

What is the transaction code for the WDFC trade?

Transaction code P, which indicates an open‑market or private purchase.

What is the issuer and ticker in this Form 4?

The issuer is WD‑40 Company with ticker WDFC.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 10/29/2025 - 08:40 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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 for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

KIAMILEV PHENIX Q.

(Last) (First) (Middle)

C/O: WD-40 COMPANY

9715 BUSINESSPARK AVENUE

(Street)

SAN DIEGO CA 92131

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WD 40 CO [ WDFC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP, GC & Chief Compliance Ofcr

3. Date of Earliest Transaction (Month/Day/Year)
10/28/2025

4. If Amendment, Date of 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

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	10/28/2025		P		55	A	$200.46	4,303(1)	I(2)	By Trust

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 Securities Underlying Derivative Security (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: 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

Explanation of Responses:

1. 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.

2. Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

	Ann T. Nguyen, attorney-in-fact for Phenix Q. Kiamilev	10/29/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.