X0306 4 2016-12-01 0 0001404655 HUBSPOT INC HUBS 0001620890 Kelleher John P. C/O HUBSPOT, INC. 25 FIRST STREET, 2ND FLOOR CAMBRIDGE MA 02141 0 1 0 0 General Counsel Common Stock 2016-12-01 4 M 0 107 16.14 A 42218 D Common Stock 2016-12-01 4 M 0 243 34.76 A 42461 D Common Stock 2016-12-01 4 S 0 350 56.00 D 42111 D Common Stock 2016-12-01 4 F 0 153 52.75 D 41958 D Employee Stock Option (right to buy) 16.14 2016-12-01 4 M 0 107 0.00 D 2024-01-29 Common Stock 107 1586 D Employee Stock Option (right to buy) 34.76 2016-12-01 4 M 0 243 0.00 D 2025-02-10 Common Stock 243 6078 D This transaction was effected pursuant to a written trading plan adopted by the Reporting Person in accordance with Rule 10b5-1. Shares withheld by Issuer to cover taxes associated with settlement of restricted stock units. The original stock option grant of 5,000 shares underlying the option vests over four years beginning on January 1, 2014 at a rate of 25% after 12 months and in thirty-six (36) equal monthly installments thereafter. The original stock option grant of 11,667 shares underlying the option vests over four years beginning on January 1, 2015 at a rate of 25% after 12 months and in 36 equal monthly installments thereafter. /s/ John Kelleher 2016-12-05