Tamar Thompson

Companies

• Catalyst PharmaceuticalsBoard member Jun 5, 2023 to now¹
• Avidity Biosciences, Inc.Board member Jan 11, 2021 to now²

Holdings

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

Shares held

• Catalyst Pharmaceuticals CPRX0 shares³Jul 15, 2026
• ABAvidity Biosciences, Inc.0 shares⁴Feb 27, 2026

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

Recent filings

• Jul 15, 2026Returned to company 3,773 shares at $31.50 of Catalyst Pharmaceuticals³
• Feb 27, 2026Returned to company 6,692 shares of Avidity Biosciences, Inc.⁴
• Dec 8, 2025Exercised options 1,413 shares of Catalyst Pharmaceuticals⁵
• Nov 21, 2025Exercised options 947 shares of Catalyst Pharmaceuticals⁶
• Jun 10, 2025Granted 6,692 shares of Avidity Biosciences, Inc.⁷
• Dec 9, 2024Exercised options 1,413 shares of Catalyst Pharmaceuticals⁸
• Oct 7, 2024Sold 30,000 shares at $44.98 of Avidity Biosciences, Inc.⁹
• Oct 7, 2024Exercised options 30,000 shares at $27.63 of Avidity Biosciences, Inc.⁹