Transaction Details

Footnotes

The price reported in Column 4 is a weighted average price. These securities were sold in multiple transactions at prices ranging from $8.58 to $8.77 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. | The shares held by the Reporting Person reported herein reflect a change in form of ownership, which was exempt from reporting pursuant to Rule 16a-13. | Securities are held by the Roger and Clarissa Lee Irrevocable Trust of 2016, of which a family member of the Reporting Person is the trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein. | Securities are held by Battery Ventures IX, L.P. ("BV IX"). Battery Partners IX, LLC ("BP IX") is the general partner of BV IX. The Reporting Person is a managing member of BP IX and maybe deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his 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. | Securities are held by Battery Investment Partners IX, LLC ("BIP IX"). BP IX is the managing member of BIP IX. The Reporting Person is a managing member of BP IX and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his 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. | Securities are held by Battery Investment Partners Select Fund I, L.P. ("BIP Select I"). The sole general partner of BIP Select I is Battery Partners Select Fund I GP, LLC ("BP Select I GP"). The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his 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. | Securities are held by Battery Ventures Select Fund I, L.P. ("BV Select I"). The sole general partner of BV Select I is Battery Partners Select Fund I, L.P. ("BP Select I"). The general partner of BP Select I is BP Select I GP. The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his 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. | Securities are held by The Lee Family Trust, of which the Reporting Person is a co-trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein. | Shares are held jointly with the Reporting Person's spouse.