| SC 13G | 2020-02-07 | BlackRock Inc. | USANA HEALTH SCIENCES INC | 2,011,428 | 9.3% | EDGAR |
| SC 13G/A | 2019-02-13 | RENAISSANCE TECHNOLOGIES LLC | USANA HEALTH SCIENCES INC | 1,881,674 | 7.8% | EDGAR |
| SC 13G | 2019-02-12 | VANGUARD GROUP INC | USANA HEALTH SCIENCES INC | 1,351,456 | 5.6% | EDGAR |
| SC 13D/A | 2018-10-02 | WENTZ MYRON W | USANA HEALTH SCIENCES INC | 9,985,614 | 41.2% | EDGAR |
| SC 13D/A | 2018-08-07 | WENTZ MYRON W | USANA HEALTH SCIENCES INC | 10,205,614 | 42.2% | EDGAR |
| SC 13G/A | 2018-07-10 | FMR LLC | USANA HEALTH SCIENCES INC | 239,696 | 1.0% | EDGAR |
| SC 13D/A | 2018-06-01 | WENTZ MYRON W | USANA HEALTH SCIENCES INC | 10,579,899 | 43.8% | EDGAR |
| SC 13D/A | 2018-05-22 | WENTZ MYRON W | USANA HEALTH SCIENCES INC | 11,025,753 | 45.8% | EDGAR |
| SC 13G | 2018-05-21 | WENTZ MYRON W | USANA HEALTH SCIENCES INC | 11,025,753 | 45.8% | EDGAR |
| SC 13G/A | 2018-02-14 | RENAISSANCE TECHNOLOGIES LLC | USANA HEALTH SCIENCES INC | 1,930,966 | 8.0% | EDGAR |
| SC 13G/A | 2018-02-13 | FMR LLC | USANA HEALTH SCIENCES INC | 1,549,638 | 6.5% | EDGAR |
| SC 13G/A | 2017-04-10 | BlackRock Inc. | USANA HEALTH SCIENCES INC | 654,644 | 2.7% | EDGAR |
| SC 13G/A | 2017-02-14 | FMR LLC | USANA HEALTH SCIENCES INC | 1,436,122 | 5.9% | EDGAR |
| SC 13G/A | 2017-02-14 | RENAISSANCE TECHNOLOGIES LLC | USANA HEALTH SCIENCES INC | 1,632,900 | 6.7% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | USANA HEALTH SCIENCES INC | 917,935 | 3.8% | EDGAR |
| SC 13G | 2017-01-30 | BlackRock Inc. | USANA HEALTH SCIENCES INC | 650,767 | 5.3% | EDGAR |
| SC 13G/A | 2016-02-12 | FMR LLC | USANA HEALTH SCIENCES INC | 703,762 | 5.5% | EDGAR |
| SC 13G/A | 2016-02-11 | RENAISSANCE TECHNOLOGIES LLC | USANA HEALTH SCIENCES INC | 774,183 | 6.1% | EDGAR |
| SC 13G | 2016-02-11 | VANGUARD GROUP INC | USANA HEALTH SCIENCES INC | 639,243 | 5.0% | EDGAR |
| SC 13G/A | 2015-02-13 | FMR LLC | USANA HEALTH SCIENCES INC | 1,146,907 | 9.3% | EDGAR |