X0306 4 2017-06-07 0 0001404655 HUBSPOT INC HUBS 0001106463 SKOK DAVID R C/O MATRIX PARTNERS 101 MAIN STREET, 17TH FLOOR CAMBRIDGE MA 02142 1 0 0 0 Common Stock 2017-06-07 4 A 0 1764 0.00 A 6754 D Common Stock 9094 I By Matrix VIII US Management Co., LLC Stock Option (right to buy) 76.20 2017-06-07 4 A 0 1514 0.00 A 2027-06-07 Common Stock 1514 1514 D These shares were acquired pursuant to a restricted stock unit award under the Company's 2014 Stock Option and Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of the Company's Common Stock. The restricted stock units vest in full on the one year anniversary of the date of grant (or, if earlier, immediately prior to the Company's 2018 annual meeting of stockholders). The Form 4 filed on February 8, 2017 incorrectly reported 7,990 shares due to an error. The actual number of shares was 4,990. The amount reported in this column reflects the correction of that error. Mr. Skok is a Managing Member of Matrix VIII U.S. Management, Co., L.L.C. Mr. Skok, by virtue of his management position in Matrix VIII U.S. Management Co., L.L.C., has sole voting and dispositive power with respect to these shares. Mr. Skok disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein. This stock option vests in full on the one year anniversary of the date of grant (or, if earlier, immediately prior to the Company's 2018 annual meeting of stockholders). /s/ John Kelleher, attorney-in-fact 2017-06-09