WD-40 grants 1,103 stock units to Phenix Q. Kiamilev

Except as otherwise provided in the award agreement, the RSUs vest annually over 3 years.

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Rhea-AI Filing Summary

WD-40 Company VP, GC & Chief Compliance Ofcr Phenix Q. Kiamilev reported a grant of 1,103 restricted stock units on October 8, 2026, held indirectly through The Kiamilev Family Trust. Except as otherwise provided in the award agreement, the RSUs vest annually over 3 years. The reported post-transaction position was 5,410 shares, including 1,955 unvested RSUs, 68 shares of restricted Common Stock received upon settlement of performance share units, and 272 shares held in the company’s 401(k) plan.

Insider Trade Summary

Grant/Award: 1,103 shares

Grant/Award 1 txn

Insider KIAMILEV PHENIX Q.

Role VP, GC & Chief Compliance Ofcr

Type	Security	Shares	Price	Value
Grant/Award	Common Stock ^{F1, F2, F3}	1,103	--	--

Holdings After Transaction: Common Stock — 5,410 shares (Indirect, By Trust)

Footnotes (3)

F1. Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.
F2. As of the filing date, the amount reported includes: (i) 1,955 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 68 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (ii) 272 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.
F3. Under The Kiamilev Family Trust established on October 5, 2012, Reporting Person shares voting power and investment discretion with her spouse.

Key Figures

Restricted stock units granted: 1,103 restricted stock units Vesting period: 3 years Reported post-transaction position: 5,410 shares +3 more

6 metrics

Restricted stock units granted 1,103 restricted stock units Grant reported for October 8, 2026

Vesting period 3 years RSUs vest annually, except as otherwise provided in the award agreement

Reported post-transaction position 5,410 shares As of the reported transaction

Unvested RSUs 1,955 RSUs Includes the RSU grant reported in this transaction

Restricted Common Stock 68 shares Received upon settlement of performance share units

Shares in 401(k) plan 272 shares Held in the reporting person’s WD-40 Company Profit Sharing / 401(k) Plan account

Key Terms

restricted stock units (RSUs), performance share units (PSUs), unvested RSUs

3 terms

restricted stock units (RSUs) financial

"grant of restricted stock units (RSUs)"

Restricted stock units (RSUs) are a type of company promise to give employees shares of stock in the future, usually after certain conditions like working for a set time. They are like a gift promised today that you receive later, which can become valuable if the company's stock price goes up. RSUs matter because they are a way companies reward employees and can be a significant part of compensation.

unvested RSUs financial

"1,955 unvested RSUs"

FAQ

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How many RSUs did WDFC report for Phenix Q. Kiamilev?

WD-40 Company VP, GC & Chief Compliance Ofcr Phenix Q. Kiamilev reported a grant of 1,103 restricted stock units on October 8, 2026, held indirectly through The Kiamilev Family Trust.

What plan covered WDFC’s RSU grant?

The RSUs were granted under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the award agreement, they vest annually over 3 years.

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Available on EDGAR 10/13/2026 - 07:06 PM EDT Accepted by SEC EDGAR 10/13/2026 - 07:05 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)
10/08/2026

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	10/08/2026		A		1,103	A	⁽¹⁾	5,410⁽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. Represents a grant of restricted stock units (RSUs) under the WD-40 Company 2016 Stock Incentive Plan, as amended and restated effective December 12, 2023. Except as otherwise provided in the RSU award agreement, the RSUs vest annually over 3 years.

2. As of the filing date, the amount reported includes: (i) 1,955 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 68 shares of restricted Common Stock received upon settlement of performance share units or PSUs, and (ii) 272 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account. The current balance in the 401(k) account includes quarterly stock dividends received since the last Form 4 filing.

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	10/13/2026
	** 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