Trade Summary

5 days ago, Birchler Brian, serving as EVP, Corp, Development Ops at Ionis Pharmaceuticals Inc (IONS), sold 973 shares at $75.04 per share, for a total transaction value of $73,016.00. Following this transaction, Birchler Brian now holds 67,500 shares of IONS.

This sale represents a 1.00% decrease in Birchler Brian's stake in the company. This is considered a medium-conviction trade.

The trade was executed on Thursday, April 16, 2026 and publicly disclosed via SEC Form 4 filing on Friday, April 17, 2026, 1 day after the trade was made.

Ionis Pharmaceuticals Inc operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.