Brian Birchler

EVP, Corp and Development Ops · 1 filing · Latest: Apr 15, 2026

IONIS PHARMACEUTICALS INC

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
IONS	Brian Birchler	EVP, Corp and Development Ops	Apr 16, 2026	Sale	$75.04	973	$73.0K	67,500	Apr 17 7:19 PM
IONS	Brian Birchler	EVP, Corp and Development Ops	Apr 15, 2026	Option Exercise	$0.00	1,875	—	68,473	Apr 17 7:19 PM