Ding Xia (CIK 1889687) reported 12 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-04-27). Recent activity: Buy USNA (1,057 shares), Sell USNA (391 shares), Buy USNA (1,058 shares), Sell USNA (392 shares), Buy USNA (1,057 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-27 | USANA HEALTH SCIENCES INC (USNA) | Director | Buy | 1,057 | $0 |
| 2026-04-27 | USANA HEALTH SCIENCES INC (USNA) | Director | Sell | 391 | $7,523 |
| 2026-01-26 | USANA HEALTH SCIENCES INC (USNA) | Director | Buy | 1,058 | $0 |
| 2026-01-26 | USANA HEALTH SCIENCES INC (USNA) | Director | Sell | 392 | $8,824 |
| 2025-10-27 | USANA HEALTH SCIENCES INC (USNA) | Director | Buy | 1,057 | $0 |
| 2025-10-27 | USANA HEALTH SCIENCES INC (USNA) | Director | Sell | 476 | $9,820 |
| 2025-07-28 | USANA HEALTH SCIENCES INC (USNA) | Director | Buy | 1,058 | $0 |
| 2025-07-28 | USANA HEALTH SCIENCES INC (USNA) | Director | Sell | 265 | $8,504 |
| 2025-05-06 | USANA HEALTH SCIENCES INC (USNA) | Director | Buy | 674 | $0 |
| 2025-05-06 | USANA HEALTH SCIENCES INC (USNA) | Director | Sell | 169 | $4,975 |
| 2025-02-03 | USANA HEALTH SCIENCES INC (USNA) | Director | Buy | 674 | $0 |
| 2025-02-03 | USANA HEALTH SCIENCES INC (USNA) | Director | Sell | 169 | $5,504 |
Source: SEC Form 4 filings · as of 2026-04-27