WD-40 CFO insider purchase: 200 shares at $200.46, holds 5,935

Rhea-AI Filing Summary

WD-40 Company (WDFC) reported an insider transaction on a Form 4. VP, Finance & CFO Sara K. Hyzer purchased 200 shares of common stock on 10/28/2025 at a price of $200.46 per share.

Following this transaction, Hyzer beneficially owned 5,935 shares directly. The filing notes this figure includes 2,905 unvested RSUs, 71 shares of restricted common stock received upon settlement of PSUs, and 819 shares held in her WD-40 Company Profit Sharing / 401(k) Plan account.

Insider Trade Summary

Net Buyer: 200 shares

Net Buy 1 txn

Insider HYZER SARA KATHLEEN

Role VP, Finance & CFO

Bought 200 shs ($40K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	200	$200.46	$40K

Holdings After Transaction: Common Stock — 5,935 shares (Direct)

Footnotes (1)

1. F1. Amount reported includes: (i) 2,905 unvested RSUs, (ii) 71 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 819 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 10/29/2025 - 08:28 PM Learn about SEC filing dates

FAQ

What insider transaction did WDFC disclose?

The VP, Finance & CFO, Sara K. Hyzer, purchased 200 shares of WD-40 Company common stock on 10/28/2025 at $200.46 per share.

How many WDFC shares does the CFO own after the trade?

After the transaction, the CFO beneficially owned 5,935 shares directly.

What equity awards are included in the CFO’s reported ownership at WDFC?

The total includes 2,905 unvested RSUs and 71 restricted shares received upon settlement of PSUs.

Does the reported WDFC ownership include retirement plan shares?

Yes. It includes 819 shares held in the WD-40 Company Profit Sharing / 401(k) Plan account.

Who executed the WDFC Form 4 filing?

The filing was signed by Ann T. Nguyen, attorney-in-fact for Sara K. Hyzer, on 10/29/2025.

What is the insider’s role at WDFC?

Sara K. Hyzer is VP, Finance & CFO of WD-40 Company.

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^*

HYZER SARA KATHLEEN

(Last) (First) (Middle)

C/O: WD-40 COMPANY

9715 BUSINESSPARK AVE.

(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, Finance & CFO

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		200	A	$200.46	5,935(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. Amount reported includes: (i) 2,905 unvested RSUs, (ii) 71 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 819 shares held in Reporting Person's WD-40 Company Profit Sharing / 401(k) Plan account.

	Ann T. Nguyen, attorney-in-fact for Sara K. Hyzer	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.