Form 4: Ionis Pharmaceuticals Executive Brian Birchler Reports Stock Transactions

EVP Brian Birchler of Ionis Pharmaceuticals reports acquisition and disposal of common stock and restricted stock units.

Summary

• Brian Birchler, EVP, Corp and Development Ops at Ionis Pharmaceuticals, reported transactions involving the company's common stock and restricted stock units.
• On April 15, 2025, Birchler acquired 1,875 shares of common stock through the vesting of restricted stock units.
• On April 16, 2025, Birchler disposed of 680 shares of common stock at a price of $28.37 per share to cover tax withholding obligations.
• Following these transactions, Birchler directly owns 56,660 shares of common stock.
• Birchler also holds 61,215 restricted stock units, each representing a contingent right to receive one share of Ionis common stock.

Sentiment

Score: 5

Explanation: The document is a standard SEC filing detailing stock transactions by an executive, indicating a neutral sentiment.

Industry Context

This filing is a routine disclosure of stock transactions by a company executive, as required by the SEC. It provides transparency into the trading activities of company insiders.

Stakeholder Impact

• The transactions may have a minor impact on shareholders due to the change in ownership by a company executive.

Key Dates

Keywords

Ionis Pharmaceuticals, Brian Birchler, Form 4, Stock Transactions, Restricted Stock Units, Beneficial Ownership, IONS