Insider Trading
Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.
| Ticker | Insider | Title | Date | Transaction | Price ($) | Shares | Value ($) | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| USNA | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | 07/25/2026 | Steuer-Abgabe | 21.32 | 518 | 11,044 | Form 4 |
| USNA | Armstrong Kathryn Michelle | CHIEF SCIENTIFIC OFFICER | 07/25/2026 | Optionsausübung | — | 1,166 | — | Form 4 |
| USNA | Benedict Peter | CHIEF INFORMATION OFFICER | 07/25/2026 | Steuer-Abgabe | 21.32 | 176 | 3,752 | Form 4 |
| USNA | Benedict Peter | CHIEF INFORMATION OFFICER | 07/25/2026 | Optionsausübung | — | 598 | — | Form 4 |
| USNA | Ding Xia | Director | 07/23/2026 | Steuer-Abgabe | 20.92 | 604 | 12,636 | Form 4 |
| USNA | Ding Xia | Director | 07/23/2026 | Optionsausübung | — | 1,632 | — | Form 4 |
| USNA | Fleming John Turman | Director | 07/23/2026 | Optionsausübung | — | 1,632 | — | Form 4 |
| USNA | Pelosi Peggie | Director | 07/23/2026 | Steuer-Abgabe | 20.92 | 935 | 19,560 | Form 4 |
| USNA | Pelosi Peggie | Director | 07/23/2026 | Optionsausübung | — | 1,632 | — | Form 4 |
| USNA | Nixon J Scott | Director | 07/23/2026 | Optionsausübung | — | 1,632 | — | Form 4 |
| USNA | Winssinger Frederic J | Director | 07/23/2026 | Optionsausübung | — | 1,632 | — | Form 4 |
| USNA | Wood Timothy E | Director | 07/23/2026 | Steuer-Abgabe | 20.92 | 408 | 8,535 | Form 4 |
| USNA | Wood Timothy E | Director | 07/23/2026 | Optionsausübung | — | 1,632 | — | Form 4 |
| USNA | Fuller Gilbert A | Director | 07/23/2026 | Optionsausübung | — | 1,632 | — | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).