Transaction Details

Footnotes

Upon the closing of the Issuer's initial public offering, all shares of Series B, Series C, and Series D Preferred Stock were automatically converted into shares of Class A Common Stock of the Issuer pursuant to the Issuer's Amended and Restated Certificate of Incorporation. | The securities reported in this row are directly beneficially owned by GV 2017, L.P. (the "2017 Partnership"). GV 2017 GP, L.P. (the "2017 GP") is the general partner of the 2017 Partnership. GV 2017 GP, L.L.C. ("GV 2017 LLC") is the general partner of the 2017 GP. Alphabet Holdings LLC ("Alphabet Holdings") is the sole member of GV 2017 LLC. XXVI Holdings Inc. ("XXVI") is the sole member of Alphabet Holdings. Alphabet Inc. is the controlling stockholder of XXVI. Each of the 2017 GP, GV 2017 LLC, Alphabet Holdings, XXVI and Alphabet Inc. may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 of the Securities Exchange Act of 1934, as amended (the "Exchange Act")) the securities directly beneficially owned by the 2017 Partnership. Each of the 2017 GP, GV 2017 LLC, Alphabet Holdings, XXVI, and Alphabet Inc. disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. | The securities reported in this row are directly beneficially owned by GV 2019, L.P. (the "2019 Partnership"). GV 2019 GP, L.P. (the "2019 GP") is the general partner of the 2019 Partnership. GV 2019 GP, L.L.C. ("GV 2019 LLC") is the general partner of the 2019 GP. Alphabet Holdings is the sole member of GV 2019 LLC. XXVI is the sole member of Alphabet Holdings. Alphabet Inc. is the controlling stockholder of XXVI. Each of the 2019 GP, GV 2019 LLC, Alphabet Holdings, XXVI and Alphabet Inc. may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 of the Exchange Act) the securities directly beneficially owned by the 2019 Partnership. Each of the 2019 GP, GV 2019 LLC, Alphabet Holdings, XXVI, and Alphabet Inc. disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. | The securities reported in this row are directly beneficially owned by GV 2021, L.P. (the "2021 Partnership"). GV 2021 GP, L.P. (the "2021 GP") is the general partner of the 2021 Partnership. GV 2021 GP, L.L.C. ("GV 2021 LLC") is the general partner of the 2021 GP. Alphabet Holdings is the sole member of GV 2021 LLC. XXVI is the sole member of Alphabet Holdings. Alphabet Inc. is the controlling stockholder of XXVI. Each of the 2021 GP, GV 2021 LLC, Alphabet Holdings, XXVI and Alphabet Inc. may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 of the Exchange Act) the securities directly beneficially owned by the 2021 Partnership. Each of the 2021 GP, GV 2021 LLC, Alphabet Holdings, XXVI, and Alphabet Inc. disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein. | The reported transaction represents a sale of shares of the Issuer's Class A Common Stock by the reporting person as a participant in a secondary offering undertaken in connection with the Issuer's underwritten initial public offering of its Class A Common Stock.