Marion McCourt

Companies

• Regeneron PharmaceuticalsSVP Commercial Feb 12, 2018 to now¹
• SCYNEXIS INCBoard member Jan 27, 2017 to Jul 3, 2018²
• CytomX Therapeutics, Inc.Board member Mar 31, 2017 to Jun 22, 2017³
• Sio Gene Therapies Inc.Principal Operating Officer Apr 11, 2017 to Apr 11, 2017⁴
• MedivationChief operating officer Feb 4, 2016 to Sep 30, 2016⁵

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 REGN12,222 shares⁶$9.7M at $790.61Sep 3, 2026

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

Recent filings

• Sep 3, 2026Sold 1,131 shares at $857.39 of Regeneron Pharmaceuticals⁶
• Sep 2, 2026Sold 1,215 shares at $850.00 of Regeneron Pharmaceuticals⁶
• Dec 9, 2025Shares withheld for tax 1,021 shares at $701.51 of Regeneron Pharmaceuticals⁷
• Dec 8, 2025Shares withheld for tax 1,336 shares at $712.94 of Regeneron Pharmaceuticals⁸
• Dec 5, 2025Granted 2,476 shares of Regeneron Pharmaceuticals⁸
• Dec 16, 2024Shares withheld for tax 759 shares at $730.81 of Regeneron Pharmaceuticals⁹
• Dec 9, 2024Shares withheld for tax 274 shares at $787.00 of Regeneron Pharmaceuticals¹⁰
• Dec 6, 2024Granted 2,332 shares of Regeneron Pharmaceuticals¹⁰
• Nov 1, 2024Sold 1,000 shares at $844.61 of Regeneron Pharmaceuticals¹¹
• Nov 1, 2024Exercised options 1,000 shares at $381.40 of Regeneron Pharmaceuticals¹¹
• Oct 1, 2024Sold 1,000 shares at $1,054.06 of Regeneron Pharmaceuticals¹²
• Oct 1, 2024Exercised options 1,000 shares at $381.40 of Regeneron Pharmaceuticals¹²
• Sep 3, 2024Sold 1,000 shares at $1,178.73 of Regeneron Pharmaceuticals¹³
• Sep 3, 2024Exercised options 1,000 shares at $381.40 of Regeneron Pharmaceuticals¹³
• Aug 1, 2024Sold 1,137 shares at $1,060.86 of Regeneron Pharmaceuticals¹⁴
• Aug 1, 2024Exercised options 1,137 shares at $372.46 of Regeneron Pharmaceuticals¹⁴
• Jul 1, 2024Sold 1,137 shares at $1,047.11 of Regeneron Pharmaceuticals¹⁵
• Jul 1, 2024Exercised options 1,137 shares at $372.46 of Regeneron Pharmaceuticals¹⁵
• Jun 3, 2024Sold 1,138 shares at $980.16 of Regeneron Pharmaceuticals¹⁶
• Jun 3, 2024Exercised options 1,138 shares at $372.46 of Regeneron Pharmaceuticals¹⁶
• May 1, 2024Sold 250 shares at $889.41 of Regeneron Pharmaceuticals¹⁷
• Apr 1, 2024Sold 250 shares at $964.73 of Regeneron Pharmaceuticals¹⁸
• Mar 1, 2024Sold 358 shares at $967.50 of Regeneron Pharmaceuticals¹⁹
• Feb 5, 2024Sold 1,000 shares at $934.71 of Regeneron Pharmaceuticals²⁰
• Feb 1, 2024Sold 273 shares at $945.61 of Regeneron Pharmaceuticals²¹