James M. Frates

Companies

• Amylyx PharmaceuticalsChief financial officer Jan 6, 2022 to now¹
• Sage Therapeutics, Inc.Board member Jul 17, 2014 to now²
• AlkermesChief financial officer Sep 20, 2011 to May 14, 2020³
• AlkermesChief financial officer May 4, 2006 to Sep 20, 2011⁴
• AlkermesSr. VP, C.F.O., Treasurer Jun 19, 2007 to Jun 21, 2007⁵

Holdings

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

Shares held

• Amylyx Pharmaceuticals AMLX273,625 shares⁶$7.4M at $27.07Sep 14, 2026
• STSage Therapeutics, Inc.0 shares⁷Jul 31, 2025

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

Recent filings

• Sep 10, 2026Sold 1,042 shares at $33.23 of Amylyx Pharmaceuticals⁶
• Sep 10, 2026Sold 9,768 shares at $32.27 of Amylyx Pharmaceuticals⁶
• Aug 18, 2026Granted 22,807 shares of Amylyx Pharmaceuticals⁸
• Mar 5, 2026Granted 95,990 shares of Amylyx Pharmaceuticals⁹
• Mar 2, 2026Sold 7,909 shares at $14.52 of Amylyx Pharmaceuticals¹⁰
• Feb 2, 2026Sold 3,557 shares at $14.65 of Amylyx Pharmaceuticals¹¹
• Jan 6, 2026Sold 3,326 shares at $11.11 of Amylyx Pharmaceuticals¹²
• Sep 30, 2025Sold 10,558 shares at $14.65 of Amylyx Pharmaceuticals¹³
• Jul 31, 2025U 2,845 shares of Sage Therapeutics, Inc.⁷
• Mar 31, 2025Sold 10,896 shares at $3.47 of Amylyx Pharmaceuticals¹⁴
• Mar 6, 2025Granted 68,420 shares of Amylyx Pharmaceuticals¹⁵
• Sep 12, 2024Bought 40,000 shares at $2.53 of Amylyx Pharmaceuticals¹⁶
• Apr 16, 2024Granted 91,180 shares of Amylyx Pharmaceuticals¹⁷
• Mar 5, 2024Sold 1,792 shares at $18.73 of Amylyx Pharmaceuticals¹⁸
• Feb 26, 2024Granted 40,000 shares of Amylyx Pharmaceuticals¹⁹
• Jan 9, 2024Sold 2,716 shares at $16.33 of Amylyx Pharmaceuticals²⁰
• Oct 31, 2023Gift 11,072 shares of Amylyx Pharmaceuticals²¹
• Aug 23, 2023Exercised options 18,165 shares at $6.88 of Amylyx Pharmaceuticals²²
• Aug 23, 2023Exercised options 18,165 shares at $6.88 of Amylyx Pharmaceuticals²³
• May 16, 2023Sold 500 shares at $27.60 of Amylyx Pharmaceuticals²⁴
• May 16, 2023Sold 32,000 shares at $26.93 of Amylyx Pharmaceuticals²⁴
• May 16, 2023Exercised options 32,500 shares at $6.88 of Amylyx Pharmaceuticals²⁴
• Mar 16, 2023Granted 21,667 shares of Amylyx Pharmaceuticals²⁵
• Mar 16, 2023Sold 1,704 shares at $32.46 of Amylyx Pharmaceuticals²⁵
• Mar 16, 2023Granted 21,667 shares of Amylyx Pharmaceuticals²⁶