X0508 4 2024-02-16 0 0001404655 HUBSPOT INC HUBS 0001741660 Bueker Kathryn C/O HUBSPOT, INC. 2 CANAL PARK CAMBRIDGE MA 02141 0 1 0 0 Chief Financial Officer 0 Common Stock 2024-02-16 4 A 0 11037 0.00 A 44217 D Common Stock 2024-02-16 4 F 0 1779 608.96 D 42438 D Represents shares underlying performance-based restricted stock units ("PSUs") granted on March 1, 2023. One-third of the PSUs vested following the Compensation Committee's certification on February 16, 2024 of applicable financial performance results for the fiscal year ended December 31, 2023. The remaining two-thirds of these PSUs vest in eight equal quarterly installments over the next two years, subject to the Reporting Person's continued employment with the Issuer on each such vesting date. The PSUs were awarded under the Issuer's 2014 Stock Option and Incentive Plan, as amended. Shares withheld by Issuer to cover taxes associated with settlement of PSUs. /s/ Alyssa Harvey Dawson, attorney-in-fact 2024-02-20