Douglas A. Treco

Companies

• Inozyme Pharma, Inc.Chair Apr 3, 2025 to now¹
• Inozyme Pharma, Inc.Chief executive officer Apr 4, 2023 to now²
• Inozyme Pharma, Inc.Board member Jul 23, 2020 to now³
• CRISPR TherapeuticsBoard member Jun 15, 2020 to now⁴

Holdings

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

Shares held

• CRISPR Therapeutics CRSP22,000 shares⁵$1.1M at $49.91Aug 6, 2025
• IPInozyme Pharma, Inc.0 shares⁶Jul 1, 2025

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

Recent filings

• Aug 6, 2025Bought 20,000 shares at $57.03 of CRISPR Therapeutics⁵
• Jul 1, 2025U 43,861 shares at $4.00 of Inozyme Pharma, Inc.⁶
• Jun 25, 2025Granted 2,815 shares at $0.74 of Inozyme Pharma, Inc.⁷
• Apr 2, 2025Sold 8,819 shares at $0.89 of Inozyme Pharma, Inc.⁸
• Apr 1, 2025Exercised options 25,000 shares of Inozyme Pharma, Inc.⁸
• Sep 30, 2024Granted 1,710 shares at $4.45 of Inozyme Pharma, Inc.⁹
• Apr 2, 2024Sold 7,523 shares at $6.94 of Inozyme Pharma, Inc.¹⁰
• Apr 1, 2024Exercised options 25,000 shares of Inozyme Pharma, Inc.¹⁰