X0306 4 2016-08-17 0 0001404655 HUBSPOT INC HUBS 0001621078 Kinzer John C/O HUBSPOT, INC. 25 FIRST STREET, 2ND FLOOR CAMBRIDGE MA 02141 0 1 0 0 Chief Financial Officer Common Stock 2016-08-17 4 S 0 5810 56.22 D 96339 D Common Stock 2016-08-17 4 S 0 4190 56.78 D 92149 D The transactions reported on this Form 4 were effected pursuant to a written trading plan adopted by the Reporting Person in accordance with Rule 10b5-1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $55.84 to $56.58, inclusive. The reporting person undertakes to provide to HubSpot, Inc., any security holder of HubSpot, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $56.61 to $57.00, inclusive. The reporting person undertakes to provide to HubSpot, Inc., any security holder of HubSpot, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. /s/ John Kelleher, attorney in fact 2016-08-19