FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * IRWIN MICHAEL J   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) Executive Vice President (Last) (First) (Middle) 1061 CUDAHY PLACE 3. Date of Earliest Transaction (Month/Day/Year) 10/08/2012 (Street) SAN DIEGO, CA 92110 4. If Amendment, Date 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 (City) (State) (Zip) 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 10/08/2012   D   1,248 (1) D (1) 20,461.848 D   Common Stock 10/22/2012   D   423 (2) D (2) 20,038.848 D   Common Stock 10/22/2012   D   507 (3) D (3) 19,531.848 (4) D

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities (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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
IRWIN MICHAEL J 1061 CUDAHY PLACE SAN DIEGO, CA 92110			Executive Vice President

Signatures

Maria M. Mitchell, as attorney-in-fact for Michael J. Irwin		10/23/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Disposition of Performance Share Units (Common Stock equivalents) upon certified performance vesting of Performance Share Units (PSUs) awarded to the reporting person on October 12, 2010. 1,152 vested shares have been issued to the reporting pursuant to the applicable PSU Award Agreement, subject to withholding for taxes as reported herein.
(2)	Shares withheld pursuant to mandatory provisions of Performance Share Unit (PSU) Award Agreements in satisfaction of tax withholding obligation upon vesting of 1,152 PSUs (Common Stock equivalents).
(3)	Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreements in satisfaction of tax withholding obligation upon vesting of 1,380 RSUs (Common Stock equivalents).
(4)	Total includes 794.848 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account. Total also includes 5,138 Restricted Stock Units, of which 1,167 are subject to future vesting, and 1,432 Performance Share Units, all of which are subject to future vesting.

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