X0206 3 2020-07-23 0 0001693011 Inozyme Pharma, Inc. INZY 0001815707 Basso Stephen C/O INOZYME PHARMA, INC. 321 SUMMER STREET, SUITE 400 BOSTON MA 02210 0 1 0 0 Senior Vice President, Finance Stock Option (right to buy) 0.98 2028-01-07 Common Stock 16726 D Stock Option (right to buy) 1.87 2028-12-12 Common Stock 16726 D Stock Option (right to buy) 2.02 2029-06-19 Common Stock 33453 D This option was granted on January 8, 2018. The shares underlying the option vested with respect to 25% of the shares on October 1, 2018 and the remainder are scheduled to vest in equal monthly installments through October 1, 2021. This option was granted on December 13, 2018. The shares underlying the option vested with respect to 25% of the shares on July 1, 2019 and the remainder are scheduled to vest in equal monthly installments through July 1, 2022. This option was granted on June 20, 2019. The shares underly the option are scheduled to vest in equal monthly installments through June 20, 2023. Exhibit Index: 24.1 Power of Attorney /s/ Stephen Basso 2020-07-23