Ownership Submission
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 *
RIDGE GARRY O
  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
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)
1061 CUDAHY PLACE
3. Date of Earliest Transaction (Month/Day/Year)
10/19/2009
(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 10/19/2009   D(1)   1,459 (1) D $ 33.05 32,850 D  
Common Stock 12/07/2009   A   6,400 (2) A (2) 39,250 D  
Common Stock 12/07/2009   A   9,600 (3) A (3) 48,850 (4) D  

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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
RIDGE GARRY O
1061 CUDAHY PLACE
SAN DIEGO, CA 92110
  X     President & CEO  

Signatures

 Maria M. Mitchell as attorney-in-fact for Garry O. Ridge   12/09/2009
**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) Shares withheld pursuant to mandatory provisions of Restricted Stock Unit (RSU) Award Agreement in satisfaction of tax withholding obligation upon vesting of 4,080 RSUs (Common Stock equivalents)
(2) 6,400 Restricted Stock Units (Common Stock equivalents) were granted pursuant to the WD-40 Company 2007 Stock Incentive Plan. The Restricted Stock Units (RSUs) will be settled solely with Issuer Common Stock upon an annual vesting schedule as provided for in the Award Agreement for the RSUs as follows: 2,176 shares not later than 11/15/2010, 2,112 shares not later than 11/15/2011, and 2,112 shares not later than 11/15/2012.
(3) 9,600 Performance Share Units (Common Stock equivalents) were granted pursuant to the 2007 Stock Incentive Plan. The Performance Share Units (PSUs) will be settled solely with Issuer Common Stock upon performance vesting as provided for in the Award Agreement for the PSUs following a 2 year performance measurement period.
(4) Total includes 1,060 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account - estimated number of shares based upon equivalent value of units held. Also includes 20,204 Restricted Stock Units and 9,600 Performance Share Units.

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