Trade Summary

4 days ago, Monia Brett P, serving as Chief Executive Officer at IONIS PHARMACEUTICALS INC (IONS), sold 85,637 shares at $79.70 per share, for a total transaction value of $6,825,523.71. Following this transaction, Monia Brett P now holds 245,571 shares of IONS.

This sale represents a 25.86% decrease in Monia Brett P's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Wednesday, June 24, 2026 and publicly disclosed via SEC Form 4 filing on Friday, June 26, 2026 at 7:09 PM ET, 2 days 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.