Arthur A. Levin

Companies

• Avidity Biosciences, Inc.Board member Mar 17, 2023 to now¹
• Stoke Therapeutics, Inc.Board member Jun 18, 2019 to now²
• Avidity Biosciences, Inc.Chief Scientific Officer Jun 11, 2020 to Feb 15, 2023³
• IONIS PHARMACEUTICALS INCVice President Jan 4, 2006 to Apr 27, 2007⁴

Holdings

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

Shares held

• STStoke Therapeutics, Inc. STOK22,216 shares⁵$554.5K at $24.96Mar 17, 2026
• ABAvidity Biosciences, Inc.0 shares⁶Feb 27, 2026

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

Recent filings

• Mar 13, 2026Sold 605 shares at $36.80 of Stoke Therapeutics, Inc.⁵
• Feb 27, 2026Returned to company 131,372 shares of Avidity Biosciences, Inc.⁶
• Feb 27, 2026Returned to company 16,562 shares of Avidity Biosciences, Inc.⁶
• Jan 21, 2026Sold 1,758 shares at $72.45 of Avidity Biosciences, Inc.⁷
• Dec 31, 2025Exercised options 1,211 shares of Stoke Therapeutics, Inc.⁸
• Dec 19, 2025Gift 1,330 shares of Avidity Biosciences, Inc.⁹
• Sep 30, 2025Exercised options 1,211 shares of Stoke Therapeutics, Inc.¹⁰
• Aug 6, 2025Sold 107,500 shares at $47.62 of Avidity Biosciences, Inc.¹¹
• Aug 6, 2025Exercised options 107,500 shares at $22.34 of Avidity Biosciences, Inc.¹¹
• Jun 30, 2025Exercised options 1,210 shares of Stoke Therapeutics, Inc.¹²
• Jun 10, 2025Granted 6,692 shares of Avidity Biosciences, Inc.¹³
• Mar 31, 2025Exercised options 1,210 shares of Stoke Therapeutics, Inc.¹⁴
• Jan 21, 2025Sold 1,872 shares at $28.60 of Avidity Biosciences, Inc.¹⁵
• Nov 19, 2024Sold 3,323 shares at $42.12 of Avidity Biosciences, Inc.¹⁶
• Nov 19, 2024Exercised options 3,323 shares at $1.24 of Avidity Biosciences, Inc.¹⁶
• Oct 21, 2024Sold 5,000 shares at $46.63 of Avidity Biosciences, Inc.¹⁷
• Oct 21, 2024Exercised options 5,000 shares at $1.24 of Avidity Biosciences, Inc.¹⁷
• Sep 19, 2024Sold 5,000 shares at $45.73 of Avidity Biosciences, Inc.¹⁸
• Sep 19, 2024Exercised options 5,000 shares at $1.24 of Avidity Biosciences, Inc.¹⁸
• Sep 6, 2024Gift 22,500 shares of Avidity Biosciences, Inc.¹⁹
• Sep 6, 2024Gift 22,500 shares of Avidity Biosciences, Inc.¹⁹
• Aug 19, 2024Sold 5,000 shares at $45.19 of Avidity Biosciences, Inc.²⁰
• Aug 19, 2024Exercised options 5,000 shares at $1.24 of Avidity Biosciences, Inc.²⁰
• Jul 19, 2024Sold 5,000 shares at $45.01 of Avidity Biosciences, Inc.²¹
• Jul 19, 2024Exercised options 5,000 shares at $1.24 of Avidity Biosciences, Inc.²¹