Xia Ding
CIK 1889687 · View on SEC EDGAR ↗
Insider
First SEC filing: Jan. 26, 2026 · Latest: Jan. 26, 2026
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 33 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
No open-market trades on record; showing all filings.
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| July 23, 2026 | USNA | M | 1,632 | — | — | 4,895 Direct | -25.00% | Disposed | (price as of 2026-08-19) |
| July 23, 2026 | USNA | F | 604 | $20.92 | $12,636 | 8,278 Direct | -6.80% | Disposed | -35.1% (price as of 2026-08-19) |
| July 23, 2026 | USNA | M | 1,632 | — | — | 8,882 Direct | +22.51% | Acquired | (price as of 2026-08-19) |
| Jan. 22, 2026 | USNA | M | 1,058 | — | — | 1,057 Direct | -50.02% | Disposed | (price as of 2026-08-19) |
| Jan. 22, 2026 | USNA | F | 392 | $22.51 | $8,824 | 6,584 Direct | -5.62% | Disposed | -39.6% (price as of 2026-08-19) |
| Jan. 22, 2026 | USNA | M | 1,058 | — | — | 6,976 Direct | +17.88% | Acquired | (price as of 2026-08-19) |
| July 24, 2025 | USNA | M | 1,058 | — | — | 3,172 Direct | -25.01% | Disposed | (price as of 2026-08-19) |
| July 24, 2025 | USNA | F | 265 | $32.09 | $8,504 | 5,337 Direct | -4.73% | Disposed | -57.7% (price as of 2026-08-19) |
| July 24, 2025 | USNA | M | 1,058 | — | — | 5,602 Direct | +23.28% | Acquired | (price as of 2026-08-19) |
| May 20, 2025 | USNA | A | 4,230 | — | — | 4,230 Direct | — | Acquired | (price as of 2026-08-19) |
| May 2, 2025 | USNA | M | 674 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| May 2, 2025 | USNA | F | 169 | $29.44 | $4,975 | 4,544 Direct | -3.59% | Disposed | -53.9% (price as of 2026-08-19) |
| May 2, 2025 | USNA | M | 674 | — | — | 4,713 Direct | +16.69% | Acquired | (price as of 2026-08-19) |
| Feb. 2, 2025 | USNA | M | 674 | — | — | 674 Direct | -50.00% | Disposed | (price as of 2026-08-19) |
| Feb. 2, 2025 | USNA | F | 169 | $32.57 | $5,504 | 4,039 Direct | -4.02% | Disposed | -58.3% (price as of 2026-08-19) |
| Feb. 2, 2025 | USNA | M | 674 | — | — | 4,208 Direct | +19.07% | Acquired | (price as of 2026-08-19) |
| Nov. 2, 2024 | USNA | M | 675 | — | — | 1,348 Direct | -33.37% | Disposed | (price as of 2026-08-19) |
| Nov. 2, 2024 | USNA | F | 169 | $37.29 | $6,302 | 3,534 Direct | -4.56% | Disposed | -63.6% (price as of 2026-08-19) |
| Nov. 2, 2024 | USNA | M | 675 | — | — | 3,703 Direct | +22.29% | Acquired | (price as of 2026-08-19) |
| Aug. 2, 2024 | USNA | M | 674 | — | — | 2,023 Direct | -24.99% | Disposed | (price as of 2026-08-19) |
| Aug. 2, 2024 | USNA | F | 169 | $42.82 | $7,237 | 3,028 Direct | -5.29% | Disposed | -68.3% (price as of 2026-08-19) |
| Aug. 2, 2024 | USNA | M | 674 | — | — | 3,197 Direct | +26.71% | Acquired | (price as of 2026-08-19) |
| May 2, 2024 | USNA | A | 2,697 | — | — | 2,697 Direct | — | Acquired | (price as of 2026-08-19) |
| April 24, 2024 | USNA | M | 490 | — | — | 0 Direct | -100.00% | Disposed | (price as of 2026-08-19) |
| April 24, 2024 | USNA | F | 123 | $43.70 | $5,375 | 2,523 Direct | -4.65% | Disposed | -68.9% (price as of 2026-08-19) |
| April 24, 2024 | USNA | M | 490 | — | — | 2,646 Direct | +22.73% | Acquired | (price as of 2026-08-19) |
| Jan. 24, 2024 | USNA | M | 491 | — | — | 490 Direct | -50.05% | Disposed | (price as of 2026-08-19) |
| Jan. 24, 2024 | USNA | F | 123 | $47.70 | $5,867 | 2,156 Direct | -5.40% | Disposed | -71.5% (price as of 2026-08-19) |
| Jan. 24, 2024 | USNA | M | 491 | — | — | 2,279 Direct | +27.46% | Acquired | (price as of 2026-08-19) |
| Jan. 25, 2022 | USNA | M | 299 | — | — | 297 Direct | -50.17% | Disposed | (price as of 2026-08-19) |
| Jan. 25, 2022 | USNA | F | 75 | $98.48 | $7,386 | 224 Direct | -25.08% | Disposed | -86.2% (price as of 2026-08-19) |
| Jan. 25, 2022 | USNA | M | 299 | — | — | 299 Direct | — | Acquired | (price as of 2026-08-19) |
| Oct. 25, 2021 | USNA | A | 596 | — | — | 596 Direct | — | Acquired | (price as of 2026-08-19) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II)
Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| July 23, 2026 | USNA | Restricted Stock Units | Common Stock (1,632) | — | — | 1,632 | Disposed |
| Jan. 22, 2026 | USNA | Restricted Stock Units | Common Stock (1,058) | — | — | 1,058 | Disposed |
| July 24, 2025 | USNA | Restricted Stock Units | Common Stock (1,058) | — | — | 1,058 | Disposed |
| May 20, 2025 | USNA | Restricted Stock Units | Common Stock (4,230) | — | — | 4,230 | Acquired |
| May 2, 2025 | USNA | Restricted Stock Units | Common Stock (674) | — | — | 674 | Disposed |
| Feb. 2, 2025 | USNA | Restricted Stock Units | Common Stock (674) | — | — | 674 | Disposed |
| Nov. 2, 2024 | USNA | Restricted Stock Units | Common Stock (675) | — | — | 675 | Disposed |
| Aug. 2, 2024 | USNA | Restricted Stock Units | Common Stock (674) | — | — | 674 | Disposed |
| May 2, 2024 | USNA | Restricted Stock Units | Common Stock (2,697) | — | — | 2,697 | Acquired |
| April 24, 2024 | USNA | Restricted Stock Units | Common Stock (490) | — | — | 490 | Disposed |
| Jan. 24, 2024 | USNA | Restricted Stock Units | Common Stock (491) | — | — | 491 | Disposed |
| Jan. 25, 2022 | USNA | Restricted Stock Unit | Common Stock (299) | — | — | 299 | Disposed |
| Oct. 25, 2021 | USNA | Restricted Stock Unit | Common Stock (596) | — | — | 596 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).