WD-40 CEO Steven A. Brass receives 9,808 stock units

The RSUs vest annually over three years, except as otherwise provided in the award agreement.

Rhea-AI Filing Summary

WDFC CEO and President Steven A. Brass received 9,808 restricted stock units (RSUs) on October 8, 2026, under the WD-40 Company 2016 Stock Incentive Plan. Except as otherwise provided in the award agreement, the RSUs vest annually over three years. His reported post-transaction position was 40,971 shares, including 16,906 unvested RSUs (including this grant), 1,218 restricted Common Stock shares from settled performance share units, 108 vested deferred performance units and 2,669 shares in his 401(k) account.

Insider Trade Summary

Grant/Award: 9,808 shares

Grant/Award 1 txn

Insider Brass Steven A

Role CEO and President

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1, F2	9,808	--	--

Holdings After Transaction: Common Stock — 40,971 shares (Direct)

Footnotes (2)

1. 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.
2. F2. As of the filing date, the amount reported includes: (i) 16,906 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 1,218 shares of restricted Common Stock received upon settlement of performance share units or PSUs, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,669 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.

Key Figures

RSUs granted: 9,808 RSUs Reported post-transaction position: 40,971 shares Unvested RSUs: 16,906 RSUs +4 more

7 metrics

RSUs granted 9,808 RSUs October 8, 2026

Reported post-transaction position 40,971 shares Includes unvested RSUs, restricted Common Stock, deferred performance units and 401(k) plan shares

Unvested RSUs 16,906 RSUs Includes the RSU grant reported in this transaction

Restricted Common Stock from settled PSUs 1,218 shares Included in the reported amount

Vested DPUs 108 Common Stock equivalents Included in the reported amount

WD-40 Company Profit Sharing / 401(k) Plan account 2,669 shares Included in the reported amount

RSU vesting period 3 years Annual vesting, except as otherwise provided in the award agreement

Key Terms

restricted stock units (RSUs), performance share units or PSUs, deferred performance units or DPUs, WD-40 Company 2016 Stock Incentive Plan

4 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.

performance share units or PSUs financial

"settlement of performance share units or PSUs"

deferred performance units or DPUs financial

"vested deferred performance units or DPUs"

WD-40 Company 2016 Stock Incentive Plan financial

"grant of RSUs under the WD-40 Company 2016 Stock Incentive Plan"

FAQ

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

How many RSUs did WDFC CEO Steven A. Brass receive?

Steven A. Brass, WD-40 Company’s CEO and President, received a grant of 9,808 RSUs on October 8, 2026, 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, the RSUs vest annually over three years.

What position did Steven A. Brass report after the WDFC RSU grant?

His reported post-transaction position was 40,971 shares. It included 16,906 unvested RSUs, including this grant; 1,218 restricted Common Stock shares received upon settlement of performance share units; 108 vested deferred performance units that are Common Stock equivalents; and 2,669 shares in his WD-40 Company Profit Sharing / 401(k) Plan account.

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

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Available on EDGAR 10/13/2026 - 07:11 PM EDT Accepted by SEC EDGAR 10/13/2026 - 07:10 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^*

Brass Steven A

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CEO and President

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	10/08/2026		A		9,808	A	(1)	40,971(2)	D

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. 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) 16,906 unvested RSUs (which include the grant of RSUs reported in this Form 4), (ii) 1,218 shares of restricted Common Stock received upon settlement of performance share units or PSUs, (iii) 108 vested deferred performance units or DPUs, which are Common Stock equivalents, and (iv) 2,669 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.

	Ann T. Nguyen, attorney-in-fact for Steven A. Brass	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)