Kathryn Guarini

Companies

• Regeneron PharmaceuticalsBoard member Sep 12, 2023 to now¹

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

• Regeneron Pharmaceuticals REGN603 shares²$476.7K at $790.61Sep 2, 2026

As of each latest filing. The line shows shares held over time.

Recent filings

• Sep 2, 2026Sold 400 shares at $850.00 of Regeneron Pharmaceuticals²
• Sep 2, 2026Exercised options 400 shares at $719.37 of Regeneron Pharmaceuticals²
• Aug 10, 2026Sold 400 shares at $800.00 of Regeneron Pharmaceuticals³
• Aug 10, 2026Exercised options 400 shares at $719.37 of Regeneron Pharmaceuticals³
• Jan 2, 2026Granted 155 shares of Regeneron Pharmaceuticals⁴
• Jan 2, 2025Granted 166 shares of Regeneron Pharmaceuticals⁵
• Jan 2, 2024Granted 42 shares of Regeneron Pharmaceuticals⁶
• Sep 8, 2023Granted 240 shares of Regeneron Pharmaceuticals⁷