| SC 13G/A | 2012-02-08 | PARNASSUS INVESTMENTS /CA | WD 40 CO | 1,260,384 | 7.7% | EDGAR |
| SC 13G/A | 2011-02-09 | BlackRock Inc. | WD 40 CO | 1,313,956 | 7.8% | EDGAR |
| SC 13G | 2011-02-08 | PARNASSUS INVESTMENTS /CA | WD 40 CO | 1,001,341 | 6.0% | EDGAR |
| SC 13G/A | 2011-02-02 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | WD 40 CO | 1,267,215 | 7.5% | EDGAR |
| SC 13G | 2010-02-10 | PARNASSUS INVESTMENTS /CA | WD 40 CO | 974,351 | 5.9% | EDGAR |
| SC 13G/A | 2010-02-09 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | WD 40 CO | 925,625 | 5.6% | EDGAR |
| SC 13G | 2010-01-29 | BlackRock Inc. | WD 40 CO | 1,388,389 | 8.4% | EDGAR |
| SC 13G/A | 2009-12-10 | WELLS FARGO & CO/MN | WD 40 CO | 778,349 | 4.7% | EDGAR |
| SC 13G/A | 2009-02-17 | Allianz Global Investors Managed Accounts LLC | WD 40 CO | 636,397 | 3.9% | EDGAR |
| SC 13G/A | 2009-02-10 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | WD 40 CO | 1,087,033 | 6.6% | EDGAR |
| SC 13G | 2009-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | WD 40 CO | 510,136 | 3.1% | EDGAR |
| SC 13G | 2009-02-02 | WELLS FARGO & CO/MN | WD 40 CO | 962,927 | 5.8% | EDGAR |
| SC 13G/A | 2008-12-10 | NWQ INVESTMENT MANAGEMENT CO LLC | WD 40 CO | 814,080 | 4.9% | EDGAR |
| SC 13G/A | 2008-02-14 | NWQ INVESTMENT MANAGEMENT CO LLC | WD 40 CO | 1,209,156 | 7.2% | EDGAR |
| SC 13G/A | 2008-02-12 | Allianz Global Investors Managed Accounts LLC | WD 40 CO | 920,540 | 5.4% | EDGAR |
| SC 13G | 2008-02-11 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | WD 40 CO | 950,717 | 5.6% | EDGAR |
| SC 13G | 2008-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | WD 40 CO | 560,114 | 3.3% | EDGAR |
| SC 13G | 2008-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | WD 40 CO | 560,114 | 3.3% | EDGAR |
| SC 13G | 2008-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | WD 40 CO | 560,114 | 3.3% | EDGAR |
| SC 13G | 2008-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | WD 40 CO | 560,114 | 3.3% | EDGAR |