Devers Shannon L. 4

What Happened

• Shannon L. Devers, Executive Vice President and Chief Human Resources Officer of Ionis Pharmaceuticals (IONS), sold 6,193 shares in an open-market transaction on April 2, 2026. The filing reports a weighted-average sale price of $74.05 per share for proceeds of approximately $458,613.

Key Details

• Transaction date: 2026-04-02.
• Sale: 6,193 shares; weighted-average price reported $74.05; price range for the multiple trades was $73.62 to $74.2450.
• Total reported proceeds: $458,613 (per the Form 4).
• Footnote: Shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 24, 2025.
• The filing states the weighted-average price and offers to provide a breakdown of shares sold at each price on request.
• Shares owned after the transaction: not specified in the information provided in this summary filing.
• Filing timeliness: Reported on April 2, 2026 (the same day as the transaction date listed), with no late-filing indication in the provided data.

Context

• The sale was executed under a pre-established Rule 10b5-1 plan, which is commonly used to schedule sales in advance and may reflect routine disposition rather than a contemporaneous view on the company. This is a straightforward open‑market sale (code S) — not an option exercise, gift, or award.