Brian Birchler, EVP, Corporate and Development Operations at IONIS PHARMACEUTICALS INC (IONS), sold 8,480 shares at $75.11 ($637K) on 2026-01-16, disclosed to the SEC on 2026-01-20.
Open-market sale of $637k IONS by EVP, Corporate and Development Operations. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Something here stands out, but not much.
| Filing → |
| IONS | SELL | 2025-11-07 | $609K | — | Filing → |
| IONS | SELL | 2025-10-16 | $3.4M | — | Filing → |
| IONS | SELL | 2025-04-17 | $19K | — | Filing → |