Lynne Parshall's Stock Transactions in Ionis Pharmaceuticals Inc

The filing details the stock transactions of Lynne Parshall, a director at Ionis Pharmaceuticals Inc. Parshall plans to sell 78,321 shares of common stock acquired on January 15, 2017, through Restricted Stock Units. Additionally, Parshall has sold 25,000 shares in the past three months, with transactions on September 2, 2025, and August 6, 2025, totaling $1,227,942. The filing also includes information about the issuer, Ionis Pharmaceuticals Inc, and the broker involved in the transactions, Stifel Nicolaus & Company Inc.