Transactions Table

Explanation of Responses:

Id	Content
F1	The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $12.45 to $12.69 inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of securities sold at each separate price within the range set forth in this footnote.
F2	Shares held by Battery Ventures Select Fund I, L.P. ("BV Select I"). Battery Partners Select Fund I, L.P. ("BP Select I") is the general partner of BV Select I, Battery Partners Select Fund I GP, LLC ("BP Select I GP") is the general partner of BP Select I and may be deemed to beneficially own the shares held by BV Select I. Neeraj Agrawal, Michael Brown, Jesse Feldman, Russell Fleischer, Roger Lee, Chelsea Stoner, Dharmesh Thakker, and Scott Tobin (collectively the "BP XI Managing Members") together with Morad Elhafed (the "BP Select Managing Members") are the managing members of BP Select I GP and may be deemed to share voting and dispositive power over the securities held by BV Select I.
F3	Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his, her or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F4	Shares held by Battery Investment Partners XI, LLC ("BIP XI"). Battery Partners XI, LLC ("BP XI") is the managing member of BIP XI and may be deemed to beneficially own the shares held by BIP XI. The BP XI Managing Members are the managing members of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his, her or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F5	Shares held by Battery Ventures XI-A, L.P. ("BV XI-A"). BP XI is the general partner of BV XI-A and may be deemed to beneficially own the shares held by BV XI-A. The BP XI Managing Members are the managing members of BP XI and may be deemed to share voting and dispositive power over the securities held by BP XI-A. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his, her or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F6	Shares held by Battery Ventures XI-B, L.P. ("BV XI-B"). BP XI is the general partner of BV XI-B and may be deemed to beneficially own the shares held by BV XI-B. The BP XI Managing Members are the managing members of BP XI and may be deemed to share voting and dispositive power over the securities held by BP XI-B. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his, her or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F7	Shares held by Battery Ventures XI-A Side Fund, L.P. ("BV XI-A SF"). Battery Partners XI Side Fund, LLC ("BP XI SF") is the general partner of BV XI-A SF and may be deemed to beneficially own the shares held by BV XI-A SF. The BP XI Managing Members are the managing members of BP XI SF and may be deemed to share voting and dispositive power over the securities held by BP XI-A SF. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his, her or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F8	Shares held by Battery Ventures XI-B Side Fund, L.P. ("BV XI-B SF"). BP XI SF is the general partner of BV XI-B SF and may be deemed to beneficially own the shares held by BV XI-B SF. The BP XI Managing Members are the managing members of BP XI SF and may be deemed to share voting and dispositive power over the securities held by BP XI-B SF. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his, her or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F9	Shares held by Battery Investment Partners Select Fund I, L.P. ("BIP Select I"). BP Select I GP is the general partner of BIP Select I and may be deemed to beneficially own the shares held by BP Select I. The BP Select Managing Members are the managing members of BP Select I GP and may be deemed to share voting and dispositive power over the securities held by BIP Select I. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his, her or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose.
F10	The shares held by the Reporting Person include the receipt of shares pursuant to pro rata distributions in kind, effected by each of BV XI-A SF and BV XI-B SF to its general partner and limited partners for no additional consideration, and the further pro rata distribution in kind by the general partner of BV XI-A SF and BV XI-B SF, for no additional consideration to its members, including the Reporting Person. The receipt of such shares by the Reporting Person constituted a change in form of ownership from indirect to direct, which was exempt from reporting pursuant to Rule 16a-13.
F11	The shares held by the Reporting Person include the receipt of shares pursuant to pro rata distributions in kind, effected by each of BV XI-A and BV XI-B to its general partner and limited partners for no additional consideration, and the further pro rata distribution in kind by the general partner of BV XI-A and BV XI-B , for no additional consideration to its members, including the Reporting Person. The receipt of such shares by the Reporting Person constituted a change in form of ownership from indirect to direct, which was exempt from reporting pursuant to Rule 16a-13.
F12	Shares are held by Neeraj Agrawal.
F13	The shares held by the Reporting Person reflect the receipt of shares pursuant to a pro rata distribution in kind, effected by BIP XI to its members for no additional consideration, including the Reporting Person. The receipt of such shares by the Reporting Person constituted a change in form of ownership from indirect to direct, which was exempt from reporting pursuant to Rule 16a-13.
F14	Shares are held by the Neeraj Agrawal Irrevocable GST Trust (the "Agrawal Trust"), of which Mr. Agrawal's spouse is the trustee. Mr. Agrawal disclaims beneficial ownership of the securities held by the Agrawal Trust except to the extent of his proportionate pecuniary interest therein.
F15	Shares are held by Michael M. Brown.
F16	Shares are held by The Michael M. Brown Irrevocable GST Trust of 2013 (the "Brown Trust"), of which Michael M. Brown's spouse is the trustee. Mr. Brown disclaims beneficial ownership of the shares held by the Brown Trust except to the extent of his proportionate pecuniary interest therein.
F17	Shares are held by The Tamsen Brown 2020 Irrevocable Trust (the "Tamsen Brown Trust"), of which Michael M. Brown is the trustee. Mr. Brown disclaims beneficial ownership of the shares held by the Tamsen Brown Trust except to the extent of his proportionate pecuniary interest therein.
F18	Shares are held by Jesse Feldman.
F19	Shares are held by The Jesse Feldman Irrevocable Trust of 2016 (the "Feldman Trust"), of which Jesse Feldman's spouse is the trustee. Mr. Feldman disclaims beneficial ownership of the shares held by the Feldman Trust except to the extent of his proportionate pecuniary interest therein.
F20	Shares are held by Russell Fleischer.
F21	Shares are held by The Roger and Clarissa Lee Irrevocable GST Trust (the "Lee Trust"), of which Roger Lee's brother is the trustee. Mr. Lee disclaims beneficial ownership of the shares held by the Lee Trust except to the extent of his proportionate pecuniary interest therein.
F22	Shares are held by The Lee Family Trust, of which Roger H. Lee is a co-trustee. Mr. Lee disclaims beneficial ownership of these securities held by The Lee Family Trust except to the extent of his proportionate pecuniary interest therein.
F23	Shares are held by the Stoner Spiller Family Trust (the "Stoner Trust"), of which Chelsea R. Stoner is a trustee. Ms. Stoner disclaims beneficial ownership of the shares held by the Stoner Trust except to the extent of her proportionate pecuniary interest therein.
F24	Shares are held by Scott R. Tobin.
F25	Shares are held by The Scott R. Tobin Irrevocable GST Trust of 2013, of which Scott R. Tobin is a trustee. Mr. Tobin disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein.
F26	Shares are held by Morad Elhafed.

Remarks:

1 of 2: The number of joint filers exceeds the EDGAR maximum of 10 joint filers per Form. This Form 4 is being filed in conjunction with a Form 4 being filed by Neeraj Agrawal and other filing persons.