WD-40: Kiamilev has 293 shares withheld for taxes

Q: Why were 293 WDFC shares withheld?

293 shares held by the Kiamilev Family Trust were withheld to satisfy tax withholding obligations upon vesting of 811 RSUs. The withholding was pursuant to mandatory provisions of RSU award agreements.

Her reported amount included 1,955 unvested RSUs and 272 shares in the WD-40 Company Profit Sharing / 401(k) Plan account.

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Rhea-AI Filing Summary

WD-40 Company Vice President, General Counsel and Chief Compliance Officer Phenix Q. Kiamilev reported that 293 shares held by the Kiamilev Family Trust were withheld on October 26, 2026, to satisfy tax obligations upon vesting of 811 RSUs, as required by the RSU award agreements. The reported total following the transaction was 5,117 shares, including unvested RSUs, restricted common stock received upon PSU settlement and shares in the company’s Profit Sharing / 401(k) Plan account. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Tax Withholding: 293 shares

Tax Withholding 1 txn

Insider KIAMILEV PHENIX Q.

Role VP, GC & Chief Compliance Ofcr

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock ^{F1, F2, F3}	293	--	--

Holdings After Transaction: Common Stock — 5,117 shares (Indirect, By Trust)

Footnotes (3)

F1. Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 811 RSUs.
F2. Amount reported includes: (i) 1,955 unvested RSUs, (ii) 68 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (iii) 272 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.
F3. Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

Key Figures

Shares withheld: 293 shares RSUs vesting: 811 RSUs Reported shares following transaction: 5,117 shares +3 more

6 metrics

Shares withheld 293 shares For tax withholding obligations on October 26, 2026

RSUs vesting 811 RSUs Upon vesting related to the tax withholding

Reported shares following transaction 5,117 shares Reported total after the transaction

Unvested RSUs 1,955 RSUs Included in the reported amount

Restricted common stock from PSU settlement 68 shares Included in the reported amount

Profit Sharing / 401(k) Plan account 272 shares Included in the reported amount

Key Terms

Restricted Stock Unit (RSU) Award Agreement(s), tax withholding obligations, performance share units or PSUs, vesting

4 terms

Restricted Stock Unit (RSU) Award Agreement(s) financial

"mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s)"

tax withholding obligations financial

"in satisfaction of tax withholding obligations upon vesting"

vesting financial

"upon vesting of 811 RSUs"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

FAQ

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

How many WDFC shares did Phenix Q. Kiamilev report after the transaction?

WD-40 Company Vice President, General Counsel and Chief Compliance Officer Phenix Q. Kiamilev reported 5,117 shares following the transaction. The reported amount includes 1,955 unvested RSUs, 68 shares of restricted common stock received upon settlement of PSUs, and 272 shares in the company’s Profit Sharing / 401(k) Plan account.

Why were 293 WDFC shares withheld?

293 shares held by the Kiamilev Family Trust were withheld to satisfy tax withholding obligations upon vesting of 811 RSUs. The withholding was pursuant to mandatory provisions of RSU award agreements.

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

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Available on EDGAR 10/27/2026 - 09:00 PM EDT Accepted by SEC EDGAR 10/27/2026 - 09:00 PM EDT

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

CALIFORNIA

92131

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/26/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/26/2026		F		293	D	⁽¹⁾	5,117⁽²⁾	I⁽³⁾	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement(s) in satisfaction of tax withholding obligations upon vesting of 811 RSUs.

2. Amount reported includes: (i) 1,955 unvested RSUs, (ii) 68 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (iii) 272 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

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

	Ann T. Nguyen, as attorney-in-fact for Phenix Q. Kiamilev	10/27/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR