Adam M. Veness

Companies

• Magenta TherapeuticsGeneral counsel Jan 26, 2024 to now¹
• Magenta TherapeuticsOfficer Sep 13, 2023 to Sep 13, 2023²
• Cyteir Therapeutics, Inc.General counsel May 4, 2022 to Feb 7, 2023³
• Acceleron PharmaGeneral counsel Jun 7, 2019 to Nov 22, 2021⁴

Holdings

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

Shares held

• MTMagenta Therapeutics DNTH15,000 shares⁵$1.1M at $74.77Aug 13, 2026
• APAcceleron Pharma XLRN0 shares⁶Nov 19, 2021

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

Recent filings

• Aug 13, 2026Exercised options 15,000 shares at $18.17 of Magenta Therapeutics⁵
• Aug 10, 2026Sold 16,167 shares at $110.38 of Magenta Therapeutics⁷
• Aug 10, 2026Exercised options 16,167 shares at $17.88 of Magenta Therapeutics⁷
• Aug 7, 2026Sold 616 shares at $111.18 of Magenta Therapeutics⁷
• Aug 7, 2026Sold 3,217 shares at $110.61 of Magenta Therapeutics⁷
• Aug 7, 2026Exercised options 3,833 shares at $17.88 of Magenta Therapeutics⁷
• Jun 17, 2026Sold 13,229 shares at $81.38 of Magenta Therapeutics⁸
• Jun 17, 2026Sold 16,771 shares at $80.34 of Magenta Therapeutics⁸
• Jun 17, 2026Exercised options 30,000 shares at $17.88 of Magenta Therapeutics⁸
• Nov 19, 2021U 23,423 shares of Acceleron Pharma⁶
• Nov 9, 2021Exercised options 4,500 shares at $29.37 of Acceleron Pharma⁹