David Scadden

Companies

• Carisma Therapeutics Inc.Board member Jul 1, 2024 to now¹
• Editas MedicineBoard member Feb 7, 2019 to now²
• Agios PharmaceuticalsBoard member May 31, 2017 to now³
• Magenta TherapeuticsBoard member Jun 20, 2018 to Jun 30, 2022⁴

Holdings

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

Shares held

• Agios Pharmaceuticals AGIO20,419 shares⁵$701.6K at $34.36Jun 18, 2026

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

Recent filings

• Jun 18, 2026Exercised options 2,816 shares of Agios Pharmaceuticals⁵
• Nov 12, 2025Sold 200 shares at $43.84 of Agios Pharmaceuticals⁶
• Nov 12, 2025Exercised options 200 shares at $18.09 of Agios Pharmaceuticals⁶
• Oct 8, 2025Sold 200 shares at $41.00 of Agios Pharmaceuticals⁷
• Oct 8, 2025Exercised options 200 shares at $18.09 of Agios Pharmaceuticals⁷
• Sep 30, 2025Sold 200 shares at $40.00 of Agios Pharmaceuticals⁸
• Sep 30, 2025Exercised options 200 shares at $18.09 of Agios Pharmaceuticals⁸
• Aug 27, 2025Sold 200 shares at $40.00 of Agios Pharmaceuticals⁹
• Aug 27, 2025Exercised options 200 shares at $18.09 of Agios Pharmaceuticals⁹
• Jul 10, 2025Sold 1,400 shares at $40.00 of Agios Pharmaceuticals¹⁰
• Jul 10, 2025Exercised options 1,400 shares at $18.09 of Agios Pharmaceuticals¹⁰
• Jun 20, 2025Exercised options 2,120 shares of Agios Pharmaceuticals¹¹
• Dec 11, 2024Sold 200 shares at $46.28 of Agios Pharmaceuticals¹²
• Dec 11, 2024Exercised options 200 shares at $18.09 of Agios Pharmaceuticals¹²
• Jun 13, 2024Exercised options 3,388 shares of Agios Pharmaceuticals¹³
• Jun 21, 2023Exercised options 4,975 shares of Agios Pharmaceuticals¹⁴
• May 20, 2022Exercised options 1,585 shares of Agios Pharmaceuticals¹⁵