Brian Birchler

EVP, Corp and Development Ops, Ionis Pharmaceuticals Inc

Bought, 12 months

$0.0M

Sold, 12 months

$1.8M

Companies

Latest trade

Apr 16, 2026

Companies

Ionis Pharmaceuticals IncEVP, Corp and Development Ops −$3.6M

Trades

IONS Sold 973 shares at $75.04 $0.1M Apr 16

IONS Sold 6,179 shares at $83.03 $0.5M Jan 30

IONS Sold 8,480 shares at $75.11 $0.6M Jan 16

IONS Sold 8,000 shares at $76.17 · planned $0.6M Nov 6

IONS Sold 12,425 shares at $72.23 · planned $0.9M Oct 15

IONS Sold 11,475 shares at $72.03 · planned $0.8M Oct 14

Open-market trades from SEC Form 4 only: no grants, option exercises or gifts. People are matched by the name on their filings, so two people with the same name share this page. For information only — not investment advice.