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 |
|---|---|---|---|---|---|---|---|---|
| SION | Thompson Peter A. | Director | 07/07/2026 | Verkauf | 44.86 | 85,918 | 3,854,281 | Form 4 |
| SION | Orbimed Advisors Llc | Director | 07/07/2026 | Verkauf | 44.86 | 85,918 | 3,854,281 | Form 4 |
| SION | Orbimed Advisors Llc | Director | 04/18/2026 | Verkauf | 44.52 | 2,948 | 131,245 | Form 4 |
| SION | Peter A Thompson | Director | 04/18/2026 | Verkauf | 44.52 | 2,948 | 131,245 | Form 4 |
| SION | Orbimed Advisors Llc | Director | 04/17/2026 | Verkauf | 44.68 | 52,397 | 2,341,098 | Form 4 |
| SION | Peter A Thompson | Director | 04/17/2026 | Verkauf | 44.68 | 52,397 | 2,341,098 | Form 4 |
A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).