Jonathan Violin

Companies

• Korsana Biosciences, Inc.Board member Sep 10, 2026 to now¹
• Korsana Biosciences, Inc.Officer Sep 10, 2026 to now¹
• CRESCENT BIOPHARMA, INC.Board member Jun 23, 2025 to now²
• Magenta TherapeuticsBoard member Sep 13, 2023 to now³
• Catabasis PharmaceuticalsBoard member Feb 1, 2021 to now⁴
• Viridian Therapeutics, Inc.\DEOfficer Dec 10, 2021 to Feb 7, 2023⁵
• Viridian Therapeutics, Inc.\DEBoard member Jan 20, 2021 to Feb 7, 2023⁶
• Viridian Therapeutics, Inc.\DEChief executive officer Jan 20, 2021 to May 4, 2022⁶
• Viridian Therapeutics, Inc.\DEPresident Oct 30, 2020 to Jan 20, 2021⁷
• Viridian Therapeutics, Inc.\DEChief operating officer Oct 30, 2020 to Oct 30, 2020⁷
• Trevena IncSVP-Scientific Affairs & IR Feb 8, 2018 to Mar 2, 2018⁸

Holdings

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

Shares held

• VTViridian Therapeutics, Inc.\DE VRDN480,905 shares⁹$9.4M at $19.46Feb 2, 2023
• KBKorsana Biosciences, Inc. KRSA207,400 shares¹⁰$7.0M at $33.65Sep 10, 2026
• CBCRESCENT BIOPHARMA, INC. CBIO69,515 shares¹¹$823.1K at $11.84Jun 23, 2025
• CPCatabasis Pharmaceuticals CATB0 shares¹²Jan 23, 2026

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

Recent filings

• Jan 23, 2026Returned to company 263,321 shares of Catabasis Pharmaceuticals¹²
• Feb 2, 2023Sold 50,000 shares at $36.80 of Viridian Therapeutics, Inc.\DE⁹
• Feb 2, 2023Exercised options 50,000 shares at $0.15 of Viridian Therapeutics, Inc.\DE⁹
• Feb 2, 2023Sold 50,000 shares at $36.80 of Viridian Therapeutics, Inc.\DE¹³
• Jun 1, 2022Sold 30,000 shares at $12.20 of Viridian Therapeutics, Inc.\DE¹⁴
• May 2, 2022Sold 30,000 shares at $13.04 of Viridian Therapeutics, Inc.\DE¹⁵
• Apr 4, 2022Sold 3,600 shares at $18.93 of Viridian Therapeutics, Inc.\DE¹⁶
• Apr 1, 2022Sold 26,400 shares at $18.92 of Viridian Therapeutics, Inc.\DE¹⁶
• Mar 2, 2022Sold 11,106 shares at $17.36 of Viridian Therapeutics, Inc.\DE¹⁷
• Mar 1, 2022Sold 18,894 shares at $17.82 of Viridian Therapeutics, Inc.\DE¹⁷
• Feb 3, 2022Sold 909 shares at $19.16 of Viridian Therapeutics, Inc.\DE¹⁸
• Feb 2, 2022Sold 12,340 shares at $18.47 of Viridian Therapeutics, Inc.\DE¹⁸
• Feb 1, 2022Sold 16,751 shares at $19.55 of Viridian Therapeutics, Inc.\DE¹⁸
• Dec 8, 2021Converted 627,564 shares of Viridian Therapeutics, Inc.\DE¹⁹