WD-40 executive sells 200 shares at $234.72

Q: What insider transaction did WDFC executive Patricia Q. Olsem report?

Patricia Q. Olsem reported selling 200 shares of WD-40 Company Common Stock on 2026-08-13 at $234.72 per share. The transaction is coded as a sale in an open-market or private transaction.

Q: How many WDFC shares does Patricia Q. Olsem hold directly after this sale?

After the sale, Patricia Q. Olsem directly holds 4,574 shares of WD-40 Company Common Stock. This total includes 1,842 unvested RSUs, 644 restricted shares from PSUs, and 89 vested deferred performance units (stock equivalents).

Q: What indirect WDFC holdings does Patricia Q. Olsem report?

Olsem reports 2,914 shares of WD-40 Company Common Stock held indirectly by the 2007 Olsem Family Trust. Under this trust, she shares voting power and investment discretion with her spouse.

Q: Was Patricia Q. Olsem’s WDFC stock sale under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as an affirming plan (aff_10b5_one is false). There is no footnote indicating that this 200-share sale was executed under a Rule 10b5-1 trading plan.

Q: What types of equity awards does Patricia Q. Olsem hold in WDFC?

Her reported direct holdings include 1,842 unvested restricted stock units (RSUs), 644 restricted shares received upon settlement of performance stock units (PSUs), and 89 vested deferred performance units (DPUs), all tied to WD-40 Company Common Stock.

Q: What is Patricia Q. Olsem’s role at WD-40 Company (WDFC)?

Patricia Q. Olsem is reported as an officer of WD-40 Company, serving as Division President, Americas. Her Form 4 filing reflects transactions and holdings in the company’s Common Stock related to this status.

WD-40 Company executive Patricia Q. Olsem, Division President, Americas, reported selling 200 shares of Common Stock on 2026-08-13 at $234.72 per share in an open-market or private transaction.

Filing Impact

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Filing Sentiment

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Form Type

Rhea-AI Filing Summary

WD-40 Company executive Patricia Q. Olsem, Division President, Americas, reported selling 200 shares of Common Stock on 2026-08-13 at $234.72 per share in an open-market or private transaction. After this sale, she directly holds 4,574 shares, including 1,842 unvested RSUs, 644 shares of restricted stock from settled PSUs, and 89 vested deferred performance units, which are Common Stock equivalents. She also has 2,914 shares held indirectly by the 2007 Olsem Family Trust, where she shares voting power and investment discretion with her spouse.

Insider Trade Summary

Net Seller: 200 shares

Net Sell 2 txns

Insider Olsem Patricia Q

Role Division President, Americas

Sold 200 shs ($47K)

Type	Security	Shares	Price	Value
Sale	Common Stock ^F1	200	$234.72	$47K
holding	Common Stock ^F2	--	--	--

Holdings After Transaction: Common Stock — 4,574 shares (Direct); Common Stock — 2,914 shares (Indirect, By Trust)

Footnotes (2)

F1. Amount reported includes: (i) 1,842 unvested restricted stock units or RSUs, (ii) 644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.
F2. Under the 2007 Olsem Family Trust, Reporting Person shares voting power and investment discretion with her spouse.

Key Figures

Shares sold: 200 shares Sale price per share: $234.72 Direct holdings after transaction: 4,574 shares +4 more

7 metrics

Shares sold 200 shares Common Stock sale on 2026-08-13

Sale price per share $234.72 Price per share for 200-share sale of Common Stock

Direct holdings after transaction 4,574 shares Total direct Common Stock holdings following sale

Indirect trust holdings 2,914 shares Common Stock held indirectly by 2007 Olsem Family Trust

Unvested RSUs 1,842 units Unvested restricted stock units included in direct holdings

Restricted stock from PSUs 644 shares Shares of restricted Common Stock from PSU settlement

Deferred performance units 89 units Vested deferred performance units, Common Stock equivalents

Key Terms

restricted stock units, performance stock units, deferred performance units, voting power and investment discretion

4 terms

restricted stock units financial

"Amount reported includes: (i) 1,842 unvested restricted stock units or RSUs"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

performance stock units financial

"644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs"

Performance stock units are a type of company award that grants employees shares of stock only if certain performance goals are met. They motivate employees to work toward specific company achievements, aligning their interests with those of shareholders. For investors, they can influence a company's future stock supply and reflect management’s confidence in reaching key targets.

deferred performance units financial

"and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents"

voting power and investment discretion financial

"Reporting Person shares voting power and investment discretion with her spouse"

FAQ

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

What insider transaction did WDFC executive Patricia Q. Olsem report?

Patricia Q. Olsem reported selling 200 shares of WD-40 Company Common Stock on 2026-08-13 at $234.72 per share. The transaction is coded as a sale in an open-market or private transaction.

How many WDFC shares does Patricia Q. Olsem hold directly after this sale?

After the sale, Patricia Q. Olsem directly holds 4,574 shares of WD-40 Company Common Stock. This total includes 1,842 unvested RSUs, 644 restricted shares from PSUs, and 89 vested deferred performance units (stock equivalents).

What indirect WDFC holdings does Patricia Q. Olsem report?

Olsem reports 2,914 shares of WD-40 Company Common Stock held indirectly by the 2007 Olsem Family Trust. Under this trust, she shares voting power and investment discretion with her spouse.

Was Patricia Q. Olsem’s WDFC stock sale under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is not marked as an affirming plan (aff_10b5_one is false). There is no footnote indicating that this 200-share sale was executed under a Rule 10b5-1 trading plan.

What types of equity awards does Patricia Q. Olsem hold in WDFC?

Her reported direct holdings include 1,842 unvested restricted stock units (RSUs), 644 restricted shares received upon settlement of performance stock units (PSUs), and 89 vested deferred performance units (DPUs), all tied to WD-40 Company Common Stock.

What is Patricia Q. Olsem’s role at WD-40 Company (WDFC)?

Patricia Q. Olsem is reported as an officer of WD-40 Company, serving as Division President, Americas. Her Form 4 filing reflects transactions and holdings in the company’s Common Stock related to this status.

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

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Available on EDGAR 08/14/2026 - 04:39 PM Accepted by SEC EDGAR 08/14/2026 - 04:35 PM

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^*

Olsem Patricia 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)
	Division President, Americas

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
08/13/2026

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	08/13/2026		S		200	D	$234.72	4,574⁽¹⁾	D
Common Stock								2,914⁽²⁾	I	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. Amount reported includes: (i) 1,842 unvested restricted stock units or RSUs, (ii) 644 shares of restricted Common Stock received upon settlement of performance stock units or PSUs, and (iii) 89 vested deferred performance units or DPUs, which are Common Stock equivalents.

2. Under the 2007 Olsem Family Trust, Reporting Person shares voting power and investment discretion with her spouse.

	Ann T. Nguyen, attorney-in-fact for Patricia Q. Olsem	08/14/2026
	** 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