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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
105132	Wd 40 Co	WDFC	Miscellaneous Chemical Products (2890)	951797918

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1191646	P Graham Milner	228 Winterhawk Lane Encinitas CA 92024	Executive Vice President	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Acquisiton	2011-04-21	10,000	$27.56	34,722	No	4	M	Direct
Common Stock	Disposition	2011-04-21	10,000	$40.43	24,722	No	4	S	Direct
Common Stock	Acquisiton	2011-04-21	5,500	$29.30	30,222	No	4	M	Direct
Common Stock	Disposition	2011-04-21	5,500	$40.43	24,722	No	4	S	Direct
Common Stock	Acquisiton	2011-04-25	9,000	$27.27	33,722	No	4	M	Direct
Common Stock	Acquisiton	2011-04-25	9,000	$40.28	24,722	No	4	S	Direct
Common Stock	Acquisiton	2011-04-25	4,500	$29.30	29,222	No	4	M	Direct
Common Stock	Disposition	2011-04-25	4,500	$40.28	24,722	No	4	S	Direct
Common Stock	Acquisiton	2011-04-25	7,600	$27.67	32,322	No	4	M	Direct
Common Stock	Disposition	2011-04-25	7,600	$40.28	24,722	No	4	S	Direct
Common Stock	Acquisiton	2011-04-26	400	$27.67	25,122	No	4	M	Direct
Common Stock	Disposition	2011-04-26	400	$40.49	24,722	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Non-qualified Stock Option	Disposition	2011-04-21	10,000	$0.00	10,000	$27.56
Common Stock	Non-Qualified Stock Option	Disposition	2011-04-21	5,500	$0.00	5,500	$29.30
Common Stock	Non-qualified Stock Option	Disposition	2011-04-25	4,500	$0.00	4,500	$29.30
Common Stock	Non-qualified Stock Option	Disposition	2011-04-25	7,600	$0.00	7,600	$27.67
Common Stock	Non-qualified Stock Option	Disposition	2011-04-25	9,000	$0.00	9,000	$27.27
Common Stock	Non-qualified Stock Option	Disposition	2011-04-26	400	$0.00	400	$27.67

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
0	2005-09-24	2012-09-24	No	4	M	Direct
4,500	2006-09-23	2013-09-23	No	4	M	Direct
0	2006-09-23	2013-09-23	No	4	M	Direct
400	2007-10-19	2014-10-19	No	4	M	Direct
0	2008-10-18	2015-10-18	No	4	M	Direct
0	2007-10-19	2014-10-19	No	4	M	Direct

Footnotes

Transaction pursuant to trading plan adopted pursuant to Rule 10b5-1 under Securities Exchange Act of 1934.
Total includes 1,512.339 shares held in WD-40 Company Profit Sharing Plan (Company Stock Fund) account. Also includes 8,359 Restricted Stock Units, 4,388 of which are subject to future vesting, and 4,800 Performance Share Units, all of which are subject to future vesting.
not applicable
In addition to the reported options in Table II, the reporting person holds options to acquire 22,700 common shares as follows: NQSO for 10,000 shares exercisable 10/17/09 at $35.99 exp. 10/17/16; and NQSO for 12,700 shares exercisable 10/16/10 at $36.03 exp. 10/16/17.