TDUP

SEC source: 0001209191-21-064231 · doc4.xml · derivative · entry 20

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV Ancillary, L.P.

Disclosed balance after: 216,851

Underlying: Class A Common Stock · 68,898 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · derivative · entry 19

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV L.P.

Disclosed balance after: 3,780,579

Underlying: Class A Common Stock · 1,201,169 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · derivative · entry 18

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth II, L.P.

Disclosed balance after: 1,756,131

Underlying: Class A Common Stock · 557,960 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · derivative · entry 17

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth I, L.P.

Disclosed balance after: 1,170,754

Underlying: Class A Common Stock · 371,973 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 16

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Upfront IV Ancillary GP, LLC

Disclosed balance after: 0

F14 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront IV Ancillary GP, LLC to its members without consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 15

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Upfront IV Ancillary GP, LLC

Disclosed balance after: 626

F13 · kind: Represents receipt of shares in the distribution in kind described in footnote (6).

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 14

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Upfront GP IV, L.P.

Disclosed balance after: 0

F12 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront GP IV, L.P. to its general partner and limited partners without consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 13

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Upfront GP IV, L.P.

Disclosed balance after: 266,133

F11 · kind: Represents receipt of shares in the distribution in kind described in footnote (5).

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 12

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Upfront Growth GP II, LLC

Disclosed balance after: 0

F10 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront Growth GP II, LLC to its members without consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 11

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · Upfront Growth GP II, LLC

Disclosed balance after: 15,218

F9 · kind: Represents receipt of shares in the distribution in kind described in footnote (4).

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 10

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth GP I, LLC

Disclosed balance after: 0

F8 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront Growth GP I, LLC to its members without consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 9

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth GP I, LLC

Disclosed balance after: 28,023

F7 · kind: Represents receipt of shares in the distribution in kind described in footnote (3).

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 8

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV Ancillary, L.P.

Disclosed balance after: 6,263

F6 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront IV Ancillary to its general partner and limited partners without additional consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 7

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV L.P.

Disclosed balance after: 109,197

F5 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront IV to its general partner and limited partners without additional consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 6

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth II, L.P.

Disclosed balance after: 50,724

F4 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront Growth II to its general partner and limited partners without additional consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 5

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth I, L.P.

Disclosed balance after: 33,816

F3 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Upfront Growth I to its general partner and limited partners without additional consideration.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 4

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV Ancillary, L.P.

Disclosed balance after: 68,898

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 3

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV L.P.

Disclosed balance after: 1,201,169

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 2

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth II, L.P.

Disclosed balance after: 557,960

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064231 · doc4.xml · nonDerivative · entry 1

Upfront GP IV, L.P. · CIK 0001852962 · 10% owner

Upfront IV, L.P. · CIK 0001853198 · 10% owner

Upfront IV Ancillary, L.P. · CIK 0001686789 · 10% owner

Upfront IV Ancillary GP, LLC · CIK 0001852952 · 10% owner

Upfront Growth GP I, LLC · CIK 0001852959 · 10% owner

Upfront Growth I, L.P. · CIK 0001852958 · 10% owner

Upfront Growth GP II, LLC · CIK 0001852954 · 10% owner

Upfront Growth II, L.P. · CIK 0001852953 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth I, L.P.

Disclosed balance after: 371,973

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC, which is controlled by Mark Suster and Yves Sisteron. Each of the Upfront Entities, their respective general partners, Upfront Ventures Management, LLC and Messrs. Suster and Sisteron disclaims beneficial ownership of the shares reported herein except to the extent of his or its respective pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · derivative · entry 8

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Associates IV, LLC

Disclosed balance after: 180,672

Underlying: Class A Common Stock · 60,224 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. The Reporting Person is a manager of RV IV LLC and RA IV, and disclaims beneficial ownership of the securities held by RV IV and RA IV, except to the extent of his pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · derivative · entry 7

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Ventures IV, L.P.

Disclosed balance after: 7,046,236

Underlying: Class A Common Stock · 2,348,745 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. The Reporting Person is a manager of RV IV LLC and RA IV, and disclaims beneficial ownership of the securities held by RV IV and RA IV, except to the extent of his pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · nonDerivative · entry 6

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Haley-McGourty Partners

Disclosed balance after: 483

F5 · kind: Represents the receipt of shares in the distributions in kind described in footnotes (3) and (4), which represents a change in form of ownership from one form of indirect to another.

F7 · ownership.nature: The shares are held by Haley-McGourty Partners ("H-M Partners"). The reporting person is a general partner of H-M Partners. The reporting person disclaims beneficial ownership of the shares held by H-M Partners except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · nonDerivative · entry 5

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Haley-McGourty Family Trust U/D/T 9/27/96

Disclosed balance after: 6,063

F5 · kind: Represents the receipt of shares in the distributions in kind described in footnotes (3) and (4), which represents a change in form of ownership from one form of indirect to another.

F6 · ownership.nature: The shares are held by The Haley-McGourty Family Trust U/D/T 9/27/96 (the "Trust"). The reporting person is a trustee of the Trust. The reporting person disclaims beneficial ownership of the shares held by the Trust except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · nonDerivative · entry 4

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Associates IV, LLC

Disclosed balance after: 0

F4 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by RA IV to its members without additional consideration.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. The Reporting Person is a manager of RV IV LLC and RA IV, and disclaims beneficial ownership of the securities held by RV IV and RA IV, except to the extent of his pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · nonDerivative · entry 3

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Ventures IV, L.P.

Disclosed balance after: 0

F3 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by RV IV to its general partner and limited partners without additional consideration.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. The Reporting Person is a manager of RV IV LLC and RA IV, and disclaims beneficial ownership of the securities held by RV IV and RA IV, except to the extent of his pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · nonDerivative · entry 2

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Associates IV, LLC

Disclosed balance after: 60,224

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. The Reporting Person is a manager of RV IV LLC and RA IV, and disclaims beneficial ownership of the securities held by RV IV and RA IV, except to the extent of his pecuniary interest therein.

SEC source: 0001209191-21-064264 · doc4.xml · nonDerivative · entry 1

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Ventures IV, L.P.

Disclosed balance after: 2,348,745

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. The Reporting Person is a manager of RV IV LLC and RA IV, and disclaims beneficial ownership of the securities held by RV IV and RA IV, except to the extent of his pecuniary interest therein.

SEC source: 0001209191-21-064251 · doc4.xml · derivative · entry 8

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Associates IV, LLC

Disclosed balance after: 180,672

Underlying: Class A Common Stock · 60,224 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. As such, RV IV LLC has sole voting and investment control over the shares owned by RV IV, and may be deemed to beneficially own the shares held by RV IV. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its respective pecuniary interest therein.

SEC source: 0001209191-21-064251 · doc4.xml · derivative · entry 7

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,046,236

Underlying: Class A Common Stock · 2,348,745 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

SEC source: 0001209191-21-064251 · doc4.xml · nonDerivative · entry 6

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Ventures IV, LLC

Disclosed balance after: 0

F6 · kind: Represents a pro rata in kind distribution, and not a purchase or sale of securities, by RV IV LLC to its members without consideration.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. As such, RV IV LLC has sole voting and investment control over the shares owned by RV IV, and may be deemed to beneficially own the shares held by RV IV. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its respective pecuniary interest therein.

SEC source: 0001209191-21-064251 · doc4.xml · nonDerivative · entry 5

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Ventures IV, LLC

Disclosed balance after: 23,487

F5 · kind: Represents receipt of shares in the distribution in kind described in footnote (3).

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. As such, RV IV LLC has sole voting and investment control over the shares owned by RV IV, and may be deemed to beneficially own the shares held by RV IV. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its respective pecuniary interest therein.

SEC source: 0001209191-21-064251 · doc4.xml · nonDerivative · entry 4

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Associates IV, LLC

Disclosed balance after: 0

F4 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by RA IV to its members without additional consideration.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. As such, RV IV LLC has sole voting and investment control over the shares owned by RV IV, and may be deemed to beneficially own the shares held by RV IV. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its respective pecuniary interest therein.

SEC source: 0001209191-21-064251 · doc4.xml · nonDerivative · entry 3

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by RV IV to its general partner and limited partners without additional consideration.

SEC source: 0001209191-21-064251 · doc4.xml · nonDerivative · entry 2

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Redpoint Associates IV, LLC

Disclosed balance after: 60,224

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F2 · ownership.nature: Redpoint Ventures IV, LLC ("RV IV LLC") is the sole general partner of Redpoint Ventures IV, L.P. ("RV IV"). RV IV LLC and Redpoint Associates IV, LLC ("RA IV") are under common control. As such, RV IV LLC has sole voting and investment control over the shares owned by RV IV, and may be deemed to beneficially own the shares held by RV IV. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein, except to the extent of its respective pecuniary interest therein.

SEC source: 0001209191-21-064251 · doc4.xml · nonDerivative · entry 1

Redpoint Ventures IV, L.P. · CIK 0001483790 · 10% owner

Redpoint Associates IV, LLC · CIK 0001512527 · 10% owner

Redpoint Ventures IV, LLC · CIK 0001483789 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,348,745

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

F1 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock at the option of the holder in connection with the distributions described herein.

SEC source: 0001484778-21-000127 · wf-form4_163675205023823.xml · derivative · entry 4

Sutter Paula · CIK 0001849441 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,979

Underlying: Class A Common Stock · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

F1 · kind: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

SEC source: 0001484778-21-000127 · wf-form4_163675205023823.xml · derivative · entry 3

Sutter Paula · CIK 0001849441 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 65,979

Underlying: Class A Common Stock · 50,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

SEC source: 0001484778-21-000127 · wf-form4_163675205023823.xml · derivative · entry 2

Sutter Paula · CIK 0001849441 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 81,042

Underlying: Class B Common Stock · 50,000 shares

Expires 2024-12-02

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · derivative.exercise_date: The stock option vested in 24 equal monthly installments after January 1, 2015.

SEC source: 0001484778-21-000127 · wf-form4_163675205023823.xml · nonDerivative · entry 1

Sutter Paula · CIK 0001849441 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 62,474

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

F1 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · derivative · entry 15

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV Ancillary, L.P.

Disclosed balance after: 216,851

Underlying: Class A Common Stock · 68,898 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · derivative · entry 14

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV L.P.

Disclosed balance after: 3,780,579

Underlying: Class A Common Stock · 1,201,169 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · derivative · entry 13

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth II, L.P.

Disclosed balance after: 1,756,131

Underlying: Class A Common Stock · 557,960 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · derivative · entry 12

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth I, L.P.

Disclosed balance after: 1,170,754

Underlying: Class A Common Stock · 371,973 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · kind: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 9

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,637

F4 · kind: Represents (i) 3,354 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth I for no consideration on November 9, 2021, (ii) 2,270 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth II for no consideration on November 9, 2021, (iii) 24,889 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV for no consideration on November 9, 2021, and (iv) 124 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV Ancillary. for no consideration on November 9, 2021. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-9 and 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · price: Represents (i) 3,354 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth I for no consideration on November 9, 2021, (ii) 2,270 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth II for no consideration on November 9, 2021, (iii) 24,889 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV for no consideration on November 9, 2021, and (iv) 124 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV Ancillary. for no consideration on November 9, 2021. All of the aforementioned distributions were made in accordance with the exemptions afforded by Rules 16a-9 and 16a-13 of the Securities Exchange Act of 1934, as amended.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 8

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV Ancillary, L.P.

Disclosed balance after: 6,263

F3 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns. Such distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 7

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV, L.P.

Disclosed balance after: 109,197

F3 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns. Such distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 6

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth II, L.P.

Disclosed balance after: 50,724

F3 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns. Such distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 5

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront Growth I, L.P.

Disclosed balance after: 33,816

F3 · kind: Represents pro rata, in-kind distributions, and not a purchase or sale, of securities without consideration, by such distributing entity to its respective partners, members and/or assigns. Such distributions were made in accordance with the exemptions afforded by Rules 16a-13 and 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 4

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV Ancillary, L.P.

Disclosed balance after: 68,898

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · kind: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F1 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F2 · ownership.nature: Upfront Growth GP I, LLC is the general partner of Upfront Growth I, L.P. ("Upfront Growth I"). Upfront Growth GP II, LLC is the general partner of Upfront Growth II, L.P. ("Upfront Growth II"). Upfront GP IV, L.P. is the general partner of Upfront IV, L.P. ("Upfront IV"). Upfront IV Ancillary GP, LLC is the general partner of Upfront IV Ancillary, L.P. ("Upfront IV Ancillary," and together with Upfront Growth I, Upfront Growth II and Upfront IV, the "Upfront Entities"). The Upfront Entities are managed by Upfront Ventures Management, LLC which is controlled by Mark Suster and Yves Sisteron. The Reporting Person is a member or limited partner, as applicable, of the general partners of the respective Upfront Entities. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of his pecuniary interest therein.