Christine A. Poon's Stock Transactions in Regeneron Pharmaceuticals

Christine A. Poon, a director of Regeneron Pharmaceuticals, Inc., engaged in multiple transactions involving the company's common stock and non-qualified stock options on October 29 and 30, 2025. On October 29, Poon acquired 6,500 shares of common stock at $520.01 per share and disposed of various amounts of shares at prices ranging from $652.68 to $657.29. Additionally, Poon exercised non-qualified stock options to acquire 6,500 shares of common stock at $0.00 per share and disposed of 6,500 shares. On October 30, Poon acquired 2,712 shares of common stock at $520.01 per share and disposed of 2,712 shares of non-qualified stock options. These transactions were reported in a Form 4 filing with the SEC.