| SC 13G/A | 2008-01-22 | BARCLAYS GLOBAL INVESTORS NA /CA/ | USANA HEALTH SCIENCES INC | 298,863 | 1.8% | EDGAR |
| SC 13G | 2007-02-14 | LORD ABBETT & CO LLC | USANA HEALTH SCIENCES INC | 1,043,299 | 5.9% | EDGAR |
| SC 13G | 2007-02-13 | Century Capital Management, LLC | USANA HEALTH SCIENCES INC | 1,015,464 | 5.5% | EDGAR |
| SC 13G | 2007-01-23 | BARCLAYS GLOBAL INVESTORS NA /CA/ | USANA HEALTH SCIENCES INC | 815,700 | 4.6% | EDGAR |
| SC 13G | 2006-01-27 | BARCLAYS GLOBAL INVESTORS NA /CA/ | USANA HEALTH SCIENCES INC | 1,123,955 | 6.0% | EDGAR |
| SC 13G/A | 2005-02-11 | GOLDMAN SACHS ASSET MANAGEMENT LP | USANA HEALTH SCIENCES INC | 872,540 | 4.6% | EDGAR |
| SC 13G | 2004-02-12 | GOLDMAN SACHS ASSET MANAGEMENT LP | USANA HEALTH SCIENCES INC | 1,057,299 | 5.5% | EDGAR |
| SC 13G/A | 2000-02-14 | WASATCH ADVISORS INC /ADV | USANA INC | - | - | EDGAR |
| SC 13G/A | 2000-02-14 | WASATCH ADVISORS INC /ADV | USANA INC | - | - | EDGAR |
| SC 13G/A | 2000-02-14 | WASATCH ADVISORS INC /ADV | USANA INC | - | - | EDGAR |