4 Form 4 filings for IONS between 2026-07-09 and 2026-07-31, from 4 filers. 3 discretionary (1 sales, 2 purchases), 1 routine grant or withholding filing. 1 of 4 state a filing-level total, summing to $1,058,700; the rest report only their largest transaction, so the true figure is higher. Prices ran $47 to $84.
| Filed | Filer | Role | Action | Shares largest txn | Price | Filing total | Txns |
|---|---|---|---|---|---|---|---|
| 2026-07-31 | Hayden Michael R | purchased (open market) | 15,000 | $53.38 | $1,058,700 | 2 | |
| 2026-07-09 | BENNETT C FRANK | — | 15,000 | — | — | 3 | |
| 2026-07-09 | Diaz Allene M. | acquired | 10,111 | $47.11 | — | 2 | |
| 2026-07-09 | Kordasiewicz Holly B. | sold | 362 | $84.30 | — | — | |
| 4 filings · 4 filers · disclosed totals only | $1,058,700 (1/4) | — | |||||