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WDFC · Current Report (Form 8-K) · Filed October 14, 2025

Wd 40 Co — Current Report (Form 8-K)

Form
8-K
Filed
October 14, 2025
Period
Oct 9, 2025
Ticker
WDFC
Accession
0000105132-25-000056
Boardroom Alpha · Filing insights

Director Trevor Mihalik resigns and will not seek re-election; board size to drop from 10 to 9.

About Wd 40 Co
Market cap
$2.7B
1Y TSR
−12.9%
3Y TSR
+3.9%
Board grade
C-
Sector
Basic Materials
CEO
Steven A Brass
Last annual meeting: Dec 12, 2025 · View full Wd 40 Co profile →
wdfc-20251009

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
___________
FORM 8-K
___________
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of Report (date of earliest event reported): October 14, 2025 (October 9, 2025)
WD40-Company-logo-small (2).jpg
WD-40 COMPANY
(Exact Name of Registrant as specified in its charter)
___________
Delaware
(State or other jurisdiction of incorporation or organization)
000-06936
(Commission File Number)
WD 40 CO
(Commission Company Name)
95-1797918
(I.R.S. Employer
Identification Number)
9715 Businesspark Avenue, San Diego, California 92131
(Address of principal executive offices, with zip code)
(619) 275-1400
(Registrant’s telephone number, including area code)
n/a
(Former name or former address, if changed since last report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
oWritten Communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
oSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
oPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
oPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading SymbolName of exchange on which registered
Common stock, par value $0.001 per shareWDFCNASDAQ
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter)
Emerging Growth Company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act o



ITEM 5.02.    Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

Resignation of Director, Trevor I. Mihalik, and Decision Not to Stand for Re-Election; Reduction in Board Size
(b)    On October 9, 2025, Trevor I. Mihalik, a member of the Board of Directors (the “Board”) of WD-40 Company (the “Company”), notified the Board of his decision to resign and not stand for re-election from the Company’s Board, effective as of the 2025 Annual Meeting of Stockholders (the “2025 Annual Meeting”), which is currently scheduled for December 12, 2025. Mr. Mihalik’s decision to resign and not stand for re-election at the 2025 Annual Meeting was not due to any disagreement with the Company on any matter relating to its operations, policies or practices. Mr. Mihalik joined the Company’s Board in 2019 and currently serves as chair of the Finance Committee and as a member of the Corporate Governance Committee and the Audit Committee. Mr. Mihalik will continue to serve on the Board and such committees until the 2025 Annual Meeting.

Effective upon Mr. Mihalik’s resignation from the Board, the size of the Company’s Board will be reduced from 10 to 9 directors.

ITEM 9.01.    Financial Statements and Exhibits.
(d)Exhibits
Exhibit No.Description
104The cover page from this Current Report on Form 8-K, formatted in Inline XBRL.



SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
WD-40 Company
(Registrant)
Date: October 14, 2025
/s/ PHENIX Q. KIAMILEV
Phenix Q. Kiamilev
Vice President, General Counsel and
Chief Compliance Officer

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Reference

Frequently asked questions

When did Wd 40 Co file this 8-K?
Wd 40 Co (WDFC) filed this Current Report (Form 8-K) with the SEC on October 14, 2025. The accession number assigned by EDGAR is 0000105132-25-000056.
What does an 8-K disclose?
Form 8-K is the SEC's current-report form, used to disclose material events between periodic reports (10-K / 10-Q). Triggers include CEO/CFO departures, acquisitions, bankruptcies, earnings releases, auditor changes, changes in fiscal year, and amendments to corporate governance. Each 8-K is keyed to one or more Item numbers (1.01 through 9.01).
What is the key takeaway from this filing?
Director Trevor Mihalik resigns and will not seek re-election; board size to drop from 10 to 9. This is Boardroom Alpha's one-line summary of the current report; see the full filing text above for the formal disclosure.
What Item codes does an 8-K cover?
An 8-K's Item codes (1.01 through 9.01) specify what kind of event is being disclosed — e.g. Item 1.01 for entering a material agreement, Item 5.02 for departure/election of directors and executive officers, Item 8.01 for other events. The Item codes for this 8-K appear in the filing text above.
Where can I find Wd 40 Co's prior current reports on EDGAR?
The SEC EDGAR browser lists every 8-K Wd 40 Co has filed under CIK 105132, sortable by date. Use the "View on SEC EDGAR" link in the page header, or browse directly via https://www.sec.gov/cgi-bin/browse-edgar.
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