TDUP

SEC source: 0001209191-21-065111 · doc4.xml · nonDerivative · entry 5

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0

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: 0001209191-21-065111 · doc4.xml · nonDerivative · entry 4

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 109,611

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: 0001209191-21-065111 · doc4.xml · nonDerivative · entry 3

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 1,910,951

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: 0001209191-21-065111 · doc4.xml · nonDerivative · entry 2

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 887,663

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: 0001209191-21-065111 · doc4.xml · nonDerivative · entry 1

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 591,775

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: 0000899243-21-045158 · doc4.xml · nonDerivative · entry 2

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,241,165

F3 · price: This transaction was executed in multiple trades at prices ranging from $20.59 to $21.19. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II Offshore Holdings LP ("GPOP II Offshore"). GSIS is the investment advisor of GPOP II Offshore. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-21-045158 · doc4.xml · nonDerivative · entry 1

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,886,239

F3 · price: This transaction was executed in multiple trades at prices ranging from $20.59 to $21.19. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F1 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II LP ("GPOP II LP"). GS Investment Strategies, LLC ("GSIS"), a limited liability company incorporated under the laws of Delaware, is the investment manager of GPOP II LP. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001484778-21-000129 · wf-form4_163718425440578.xml · derivative · entry 13

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 113,503

Underlying: Class A Common Stock · 103,348 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: 0001484778-21-000129 · wf-form4_163718425440578.xml · derivative · entry 12

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Upfront IV L.P.

Disclosed balance after: 1,978,825

Underlying: Class A Common Stock · 1,801,754 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: 0001484778-21-000129 · wf-form4_163718425440578.xml · derivative · entry 11

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 919,192

Underlying: Class A Common Stock · 836,939 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: 0001484778-21-000129 · wf-form4_163718425440578.xml · derivative · entry 10

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 612,795

Underlying: Class A Common Stock · 557,959 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: 0001484778-21-000129 · wf-form4_163718425440578.xml · nonDerivative · entry 9

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 64,940

F4 · kind: Represents (i) 8,978 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth GP I, LLC for no consideration on November 15, 2021, (ii) 3,973 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth GP II, LLC for no consideration on November 15, 2021, (iii) 41,133 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV GP, L.P. for no consideration on November 15, 2021, and (iv) 219 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV Ancillary GP, LLC for no consideration on November 15, 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) 8,978 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth GP I, LLC for no consideration on November 15, 2021, (ii) 3,973 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront Growth GP II, LLC for no consideration on November 15, 2021, (iii) 41,133 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV GP, L.P. for no consideration on November 15, 2021, and (iv) 219 shares of Class A Common Stock acquired by the Reporting Person in a distribution by Upfront IV Ancillary GP, LLC for no consideration on November 15, 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: 0001484778-21-000129 · wf-form4_163718425440578.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: 0

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: 0001484778-21-000129 · wf-form4_163718425440578.xml · nonDerivative · entry 7

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

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: 0001484778-21-000129 · wf-form4_163718425440578.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: 0

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: 0001484778-21-000129 · wf-form4_163718425440578.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: 0

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: 0001484778-21-000129 · wf-form4_163718425440578.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: 109,611

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.

SEC source: 0001484778-21-000129 · wf-form4_163718425440578.xml · nonDerivative · entry 3

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,910,951

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.

SEC source: 0001484778-21-000129 · wf-form4_163718425440578.xml · nonDerivative · entry 2

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 887,663

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.

SEC source: 0001484778-21-000129 · wf-form4_163718425440578.xml · nonDerivative · entry 1

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

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

Disclosed balance after: 591,775

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.

SEC source: 0000899243-21-044471 · doc4.xml · nonDerivative · entry 6

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,256,821

F5 · price: This transaction was executed in multiple trades at prices ranging from $20.40 to $21.08. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected

F2 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II Offshore Holdings LP ("GPOP II Offshore"). GSIS is the investment advisor of GPOP II Offshore. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-21-044471 · doc4.xml · nonDerivative · entry 5

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,900,583

F5 · price: This transaction was executed in multiple trades at prices ranging from $20.40 to $21.08. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected

F1 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II LP ("GPOP II LP"). GS Investment Strategies, LLC ("GSIS"), a limited liability company incorporated under the laws of Delaware, is the investment manager of GPOP II LP. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-21-044471 · doc4.xml · nonDerivative · entry 4

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,280,421

F4 · price: This transaction was executed in multiple trades at prices ranging from $19.25 to $20.51. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II Offshore Holdings LP ("GPOP II Offshore"). GSIS is the investment advisor of GPOP II Offshore. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-21-044471 · doc4.xml · nonDerivative · entry 3

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,922,270

F4 · price: This transaction was executed in multiple trades at prices ranging from $19.25 to $20.51. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F1 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II LP ("GPOP II LP"). GS Investment Strategies, LLC ("GSIS"), a limited liability company incorporated under the laws of Delaware, is the investment manager of GPOP II LP. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-21-044471 · doc4.xml · nonDerivative · entry 2

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,306,513

F3 · price: This transaction was executed in multiple trades at prices ranging from $19.00 to $19.99. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II Offshore Holdings LP ("GPOP II Offshore"). GSIS is the investment advisor of GPOP II Offshore. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-21-044471 · doc4.xml · nonDerivative · entry 1

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,946,178

F3 · price: This transaction was executed in multiple trades at prices ranging from $19.00 to $19.99. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F1 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II LP ("GPOP II LP"). GS Investment Strategies, LLC ("GSIS"), a limited liability company incorporated under the laws of Delaware, is the investment manager of GPOP II LP. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 11

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,637

F5 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F7 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $19.00 to $19.03 per share. 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 shares sold at each separate price within the range set forth in this footnote.

SEC source: 0001484778-21-000126 · wf-form4_163675143369964.xml · nonDerivative · entry 10

BETTINELLI GREG · CIK 0001583198 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,609

F5 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F6 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $19.25 to $19.65 per share. 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 shares sold at each separate price within the range set forth in this footnote.

SEC source: 0000899243-21-043733 · doc4.xml · nonDerivative · entry 6

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,332,605

F5 · price: This transaction was executed in multiple trades at prices ranging from $18.89 to $21.87. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F2 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II Offshore Holdings LP ("GPOP II Offshore"). GSIS is the investment advisor of GPOP II Offshore. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0000899243-21-043733 · doc4.xml · nonDerivative · entry 5

GS INVESTMENT STRATEGIES, LLC · CIK 0001420392 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 3,970,086

F5 · price: This transaction was executed in multiple trades at prices ranging from $18.89 to $21.87. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the Issuer or a security holder of the Issuer full information regarding the number of shares and prices at which the transaction was effected.

F1 · ownership.nature: These shares are held of record by Global Private Opportunities Partners II LP ("GPOP II LP"). GS Investment Strategies, LLC ("GSIS"), a limited liability company incorporated under the laws of Delaware, is the investment manager of GPOP II LP. GSIS disclaims beneficial ownership of all shares of Common Stock in excess of their pecuniary interest, if any, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

SEC source: 0001209191-21-064237 · doc4.xml · derivative · entry 20

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · derivative · entry 19

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · derivative · entry 18

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · derivative · entry 17

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 16

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 15

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 14

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 13

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 12

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 11

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 10

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 9

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 8

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 7

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 6

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 5

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 4

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 3

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 2

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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: 0001209191-21-064237 · doc4.xml · nonDerivative · entry 1

Upfront Ventures Management, LLC · CIK 0001852894 · 10% owner

Suster Mark · CIK 0001852857 · 10% owner

Sisteron Yves · CIK 0001414035 · 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.