144 0001222287 XXXXXXXX LIVE 0001441816 MONGODB, INC. 001-38240 1633 Broadway, 38th floor New York NY 10019 646-727-4092 BV369 TRUST Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

24850 10085417.23 81391760 12/05/2025 NASDAQ Common 05/23/2012 Distribution from a Partnership Issuer N 335 05/23/2012 Cash Common 07/10/2019 Restricted stock vesting under a registered plan Issuer N 243 07/10/2019 Compensation Common 10/01/2013 Distribution from a Partnership Issuer N 7987 10/01/2013 Cash Common 06/25/2024 Restricted stock vesting under a registered plan Issuer N 598 06/25/2024 Compensation Common 05/23/2012 Distribution from a Partnership Issuer N 2037 05/23/2012 Cash Common 07/10/2020 Restricted stock vesting under a registered plan Issuer N 1057 07/10/2020 Compensation Common 06/29/2021 Restricted stock vesting under a registered plan Issuer N 891 06/29/2021 Compensation Common 06/27/2023 Restricted stock vesting under a registered plan Issuer N 117 06/27/2023 Compensation Common 06/27/2023 Restricted stock vesting under a registered plan Issuer N 787 06/27/2023 Compensation Common 07/10/2020 Restricted stock vesting under a registered plan Issuer N 189 07/10/2020 Compensation Common 06/29/2021 Restricted stock vesting under a registered plan Issuer N 129 06/29/2021 Compensation Common 06/28/2022 Restricted stock vesting under a registered plan Issuer N 629 06/28/2022 Compensation Common 06/25/2024 Restricted stock vesting under a registered plan Issuer N 156 06/25/2024 Compensation Common 07/12/2018 Restricted stock vesting under a registered plan Issuer N 560 07/12/2018 Compensation Common 05/23/2012 Distribution from a Partnership Issuer N 1350 05/23/2012 Cash Common 05/23/2012 Distribution from a Partnership Issuer N 4498 05/23/2012 Cash Common 06/28/2022 Restricted stock vesting under a registered plan Issuer N 154 06/28/2022 Compensation Common 07/12/2019 Restricted stock vesting under a registered plan Issuer N 3133 07/12/2019 Compensation Y 12/05/2025 /s/ Roelof Botha, Trustee