[Form 4] WD 40 CO Insider Trading Activity

Rhea-AI Filing Summary

WD-40 Company (WDFC) director Eric Etchart reported a purchase of company stock. On 10/30/2025, he bought 500 shares of common stock at $194.02 per share (transaction code P). After this trade, he beneficially owned 8,370 shares directly.

His reported holdings include 6,324 vested RSUs treated as common stock equivalents and 46 unvested RSUs. The filing states that vested RSUs will be settled in the issuer’s common stock following the end of his service as a director.

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

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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^*

Etchart Eric

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
10/30/2025

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	10/30/2025		P		500	A	$194.02	8,370(1)	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: (i) 2,000 shares acquired via stock purchases by Reporting Owner, (ii) 6,324 vested RSUs treated as common stock equivalents, and (iii) 46 unvested RSUs. Following termination of Reporting Person's service as a director, vested RSUs will be settled with Issuer's common stock. Note: The total was adjusted downward by 12 RSUs (7 vested and 5 unvested) to correct a previous reporting error.

	Ann T. Nguyen, attorney-in-fact for Eric Etchart	10/30/2025
	** 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.

FAQ

Who reported the transaction in WDFC’s Form 4?

Director Eric Etchart reported the transaction.

What did the WDFC insider do in this filing?

He purchased 500 shares of WD-40 Company common stock (code P).

At what price were the WDFC shares acquired?

The reported price was $194.02 per share.

What is the insider’s beneficial ownership after the trade?

He beneficially owned 8,370 shares directly following the transaction.

What RSUs are included in the WDFC holdings disclosure?

The filing lists 6,324 vested RSUs as common stock equivalents and 46 unvested RSUs.

When will vested RSUs be settled for the WDFC director?

Vested RSUs will be settled in common stock following the end of his service as a director.

What was the transaction date in the WDFC Form 4?

The transaction date was 10/30/2025.