Brian Birchler, EVP, Corporate and Development Operations at IONIS PHARMACEUTICALS INC (IONS), sold 973 shares at $75.04 ($73K) on 2026-04-16, disclosed to the SEC on 2026-04-17.
Seasonal sale ($73k) by EVP, Corporate and Development Operations — this insider has traded IONS in April in at least three consecutive prior years. Pattern-driven, low signal.
Nothing distinguishes this filing.
| Filing → |
| IONS | SELL | 2025-11-07 | $609K | — | Filing → |
| IONS | SELL | 2025-10-16 | $3.4M | — | Filing → |
| IONS | SELL | 2025-04-17 | $19K | — | Filing → |