Transactions Table

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Explanation of Responses:

Id	Content
F1	Represents 7,053,409 shares received by Bessemer Venture Partners VIII, L.P. ("BVP VIII"), 8,482,733 shares received by Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst"), 361,642 shares received by Bessemer Venture Partners PR, L.P. ("BVP PR") and 210,434 shares received by 15 Angels II LLC ("15 Angels") upon conversion of the Series A Preferred Stock, Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock, Series E Preferred Stock, Series F Preferred Stock, Series H-1 Preferred Stock and Series I Preferred Stock (collectively the "Preferred Stock") upon closing of the Issuer's initial public offering.
F2	The Preferred Stock converted into Common Stock on a one-for-one basis upon the closing of the Issuer's initial public offering without payment of consideration. The Preferred Stock was convertible at any time at the holder's election and automatically upon the closing of the Issuer's initial public offering. The Preferred Stock had no expiration date.
F3	Following the reported transaction, 7,055,073 shares are held by BVP VIII, 8,484,734 shares are held by BVP VIII Inst, 947,724 shares are held by BVP PR and 223,156 shares are held by 15 Angels.
F4	The Reporting Person is a director of Deer X & Co. Ltd. ("Deer X Ltd.") which is the general partner of Deer X & Co. L.P. ("Deer X LP"), which is the general partner of Bessemer Venture Partners PR L.P. ("BVP PR"). Additionally, the Reporting Person has a passive economic interest in the shares held by 15 Angels, BVP VIII and BVP VIII Inst. (BVP VIII Inst. together with 15 Angels and BVP VIII, the "VIII Funds") through an interest in (1) BVP VIII and (2) Deer VIII & Co. L.P. ("Deer VIII L.P."), the general partner of the VIII Funds. The Reporting Person disclaims beneficial ownership of the securities held by BVP PR and the VIII Funds, except to the extent of his pecuniary interest, if any, in such securities by virtue of his interest in Deer X Ltd. and Deer X LP and his indirect interest in the VIII Funds. This report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities.
F5	Prior to the closing, BVP VIII owned 176,125 shares, BVP VIII Inst owned 211,816 shares and BVP PR owned 192,515 shares of the Series A Preferred Stock.
F6	Prior to the closing, BVP VIII owned 81,097 shares, BVP VIII Inst owned 97,530 shares and BVP PR owned 169,127 shares of the Series B Preferred Stock.
F7	Prior to the closing, BVP VIII owned 60,827 shares and BVP VIII Inst owned 73,153 shares of the Series C Preferred Stock.
F8	Prior to the closing, BVP VIII owned 5,551,416 shares and BVP VIII Inst owned 6,325,093 shares of the Series D Preferred Stock.
F9	Prior to the closing, BVP VIII owned 714,403 shares and BVP VIII Inst owned 1,095,022 shares of the Series E Preferred Stock.
F10	Prior to the closing, BVP VIII owned 349,643 shares and BVP VIII Inst owned 535,924 shares of the Series F Preferred Stock.
F11	Prior to the closing, 15 Angels owned 78,388 shares of the Series H-1 Preferred Stock.
F12	Prior to the closing, BVP VIII owned 119,898 shares, BVP VIII Inst owned 144,195 shares and 15 Angels owned 132,046 shares of the Series I Preferred Stock.