Birchler Brian

Ionis Pharmaceuticals Inc · EVP

Birchler Brian is listed in public filings as officer: EVP, Corp and Development Ops. This Birchler Brian insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Ionis Pharmaceuticals Inc (IONS). Investors use Birchler Brian's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.

Latest Actions

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Ionis Pharmaceuticals IncIONS$5.1M67.5k sharesSellApr 16, 2026$73.0K973 shares$75.04--

Insider Trades History

CompanyHolding ValueLast TransactionAmountTransaction PriceCurrent Price
Ionis Pharmaceuticals IncIONS--48.9k sharesGrant / ExerciseApr 15, 2026Disclosure amount unavailable1.9k shares----
Ionis Pharmaceuticals IncIONS$3.3M66.6k sharesOtherFeb 27, 2026$17.2K351 shares$48.87--
Ionis Pharmaceuticals IncIONS$5.5M66.2k sharesSellJan 30, 2026$513.0K6.2k shares$83.03--
Ionis Pharmaceuticals IncIONS--72.4k sharesGrant / ExerciseJan 29, 2026Disclosure amount unavailable12k shares----
Ionis Pharmaceuticals IncIONS$4.5M60.4k sharesSellJan 16, 2026$636.9K8.5k shares$75.11--
Ionis Pharmaceuticals IncIONS--41.1k sharesGrant / ExerciseJan 15, 2026Disclosure amount unavailable20.1k shares----
Ionis Pharmaceuticals IncIONS--50.8k sharesGrant / ExerciseJan 15, 2026Disclosure amount unavailable9.7k shares----
Ionis Pharmaceuticals IncIONS--79.1k sharesGrant / ExerciseJan 15, 2026Disclosure amount unavailable25.8k shares----
Ionis Pharmaceuticals IncIONS$1.5M19.4k sharesGrant / ExerciseJan 2, 2026$1.5M19.4k shares$79.67--
Ionis Pharmaceuticals IncIONS$3.7M48.8k sharesSellNov 6, 2025$609.4K8k shares$76.17--