2 Form 4 filings for SION between 2026-07-09 and 2026-07-09, from 2 filers. 2 discretionary (2 sales, 0 purchases). None state a filing-level total — that aggregate began on 2026-08-17 — so each row below shows only its largest transaction. Prices ran $45 to $45.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-07-09 | Thompson Peter A. | sold | 85,918 | $44.86 | — | — | |
| 2026-07-09 | OrbiMed Capital GP VIII LLC | sold | 85,918 | $44.86 | — | — | |
| 2 filings · 2 filers · disclosed totals only | $0 (0/2) | — | |||||