Subotovsky Santiago

SEC source: 0001585521-20-000074 · wf-form4_158457606560462.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · kind: On March 16, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 78,876 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000074 · wf-form4_158457606560462.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 434,400

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.

F3 · kind: On March 16, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 78,876 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000074 · wf-form4_158457606560462.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On March 16, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners andits general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Upon receipt by EEP III of its pro rata interest of the distribution (763,392 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 698,228 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000074 · wf-form4_158457606560462.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,565,600

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: On March 16, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners andits general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Upon receipt by EEP III of its pro rata interest of the distribution (763,392 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 698,228 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000070 · wf-form4_158406435423813.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Emergence Equity Partners III, L.P.

Disclosed balance after: 0

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $109.10 to $109.80. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000070 · wf-form4_158406435423813.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Emergence Equity Partners III, L.P.

Disclosed balance after: 5,217

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $108.05 to $109.04. The Reporting Person undertakes to provide the Issuer, any security holder of the Issuer, or the staff at the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,387,557

Underlying: Class A Common Stock · 434,400 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · derivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,601,268

Underlying: Class A Common Stock · 3,565,600 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 5

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,445

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 434,400

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.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000058 · wf-form4_158379309577727.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,565,600

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: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · derivative · entry 8

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,387,557

Underlying: Class A Common Stock · 434,400 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,601,268

Underlying: Class A Common Stock · 3,565,600 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,445

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 434,400

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.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000069 · wf-form4a_158406433215866.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,565,600

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: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · derivative · entry 8

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,387,557

Underlying: Class A Common Stock · 434,400 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 19,601,268

Underlying: Class A Common Stock · 3,565,600 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and itsgeneral partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 92,445

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 434,400

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.

F4 · kind: On March 5, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 434,400 shares of the Issuer's Class B Common Stock into 434,400 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 434,400 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 108,600 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (86,880 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 79,018 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and itsgeneral partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000072 · wf-form4a_158448699900839.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,565,600

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: On March 5, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 3,565,600 shares of the Issuer's Class B Common Stock into 3,565,600 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 3,565,600 shares of Class A Common Stock pro-rata to its partners, including its limited partners and itsgeneral partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 891,400 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (777,391 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, 712,085 of such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000037 · wf-form4_158103167877071.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,821,957

Underlying: Class A Common Stock · 61,088 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On February 4, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 61,088 shares of the Issuer's Class B Common Stock into 61,088 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 61,088 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (12,218 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000037 · wf-form4_158103167877071.xml · derivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 23,166,868

Underlying: Class A Common Stock · 501,412 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On February 4, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 501,412 shares of the Issuer's Class B Common Stock into 501,412 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 501,412 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (386,039 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000037 · wf-form4_158103167877071.xml · nonDerivative · entry 5

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,589

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000037 · wf-form4_158103167877071.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On February 4, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 61,088 shares of the Issuer's Class B Common Stock into 61,088 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 61,088 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (12,218 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000037 · wf-form4_158103167877071.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 61,088

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.

F4 · kind: On February 4, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 61,088 shares of the Issuer's Class B Common Stock into 61,088 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 61,088 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (12,218 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000037 · wf-form4_158103167877071.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On February 4, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 501,412 shares of the Issuer's Class B Common Stock into 501,412 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 501,412 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (386,039 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000037 · wf-form4_158103167877071.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 501,412

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: On February 4, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 501,412 shares of the Issuer's Class B Common Stock into 501,412 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 501,412 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (386,039 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000023 · wf-form4_157982209260234.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,883,045

Underlying: Class A Common Stock · 61,088 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On January 21, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 61,088 shares of the Issuer's Class B Common Stock into 61,088 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 61,088 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (12,217 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such sharespro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000023 · wf-form4_157982209260234.xml · derivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 23,668,280

Underlying: Class A Common Stock · 501,412 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On January 21, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 501,412 shares of the Issuer's Class B Common Stock into 501,412 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 501,412 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (49,450 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000023 · wf-form4_157982209260234.xml · nonDerivative · entry 5

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,692

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000023 · wf-form4_157982209260234.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On January 21, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 61,088 shares of the Issuer's Class B Common Stock into 61,088 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 61,088 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (12,217 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such sharespro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000023 · wf-form4_157982209260234.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 61,088

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.

F4 · kind: On January 21, 2020, EZP Opportunity, L.P. ("EZP") converted in the aggregate 61,088 shares of the Issuer's Class B Common Stock into 61,088 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 61,088 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (12,217 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such sharespro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000023 · wf-form4_157982209260234.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On January 21, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 501,412 shares of the Issuer's Class B Common Stock into 501,412 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 501,412 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (49,450 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000023 · wf-form4_157982209260234.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 501,412

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: On January 21, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 501,412 shares of the Issuer's Class B Common Stock into 501,412 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 501,412 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. This distribution is being made pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (49,450 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000008 · wf-form4_157852683059723.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,944,133

Underlying: Class A Common Stock · 176,476 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On January 6, 2020, EZP converted in the aggregate 176,476 shares of the Issuer's Class B Common Stock into 176,476 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 176,476 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III") in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 122,176 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (19,973 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000008 · wf-form4_157852683059723.xml · derivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 24,169,692

Underlying: Class A Common Stock · 1,448,524 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On January 6, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 1,448,524 shares of the Issuer's Class B Common Stock into 1,448,524 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 1,448,524 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 1,002,824 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (142,983 of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000008 · wf-form4_157852683059723.xml · nonDerivative · entry 5

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,992

F7 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata distributions described above.

SEC source: 0001585521-20-000008 · wf-form4_157852683059723.xml · nonDerivative · entry 4

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · kind: On January 6, 2020, EZP converted in the aggregate 176,476 shares of the Issuer's Class B Common Stock into 176,476 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 176,476 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III") in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 122,176 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (19,973 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000008 · wf-form4_157852683059723.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 176,476

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.

F4 · kind: On January 6, 2020, EZP converted in the aggregate 176,476 shares of the Issuer's Class B Common Stock into 176,476 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 176,476 shares of Class A Common Stock pro-rata to its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III") in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 122,176 shares were distributed pursuant to a 10b5-1 plan adopted by EZP on September 27, 2019.

F5 · kind: (continued from footnote 4) Upon receipt by EEP III of its pro rata interest of the distribution (19,973 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · ownership.nature: Shares held directly by EZP. The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000008 · wf-form4_157852683059723.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: On January 6, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 1,448,524 shares of the Issuer's Class B Common Stock into 1,448,524 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 1,448,524 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 1,002,824 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (142,983 of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-20-000008 · wf-form4_157852683059723.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,448,524

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: On January 6, 2020, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 1,448,524 shares of the Issuer's Class B Common Stock into 1,448,524 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 1,448,524 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. Of the distributed shares, 1,002,824 shares were distributed pursuant to a 10b5-1 plan adopted by Emergence on September 27, 2019.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (142,983 of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Shares held directly by Emergence. The sole general partner of Emergence is EEP III, and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-19-000065 · wf-form4_157671270785269.xml · derivative · entry 7

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,120,609

Underlying: Class A Common Stock · 54,300 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F4 · kind: On December 16, 2019, EZP Opportunity, L.P. ("EZP") converted in the aggregate 54,300 shares of the Issuer's Class B Common Stock into 54,300 shares of the Issuer's Class A Common Stock. Subsequently on the same date, EZP distributed in-kind, without consideration, all 54,300 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F5 · ownership.nature: Shares held directly by EZP Opportunity, L.P. ("EZP"). The sole general partner of EZP is EEP III, and the sole general partner of EEP III is EGP. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by EZP, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.

SEC source: 0001585521-19-000065 · wf-form4_157671270785269.xml · derivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 25,618,216

Underlying: Class A Common Stock · 445,700 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 at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F1 · kind: On December 16, 2019, Emergence Capital Partners III, L.P. ("Emergence") converted in the aggregate 445,700 shares of the Issuer's Class B Common Stock into 445,700 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Emergence distributed in-kind, without consideration, all 445,700 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Emergence Equity Partners III, L.P. ("EEP III"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F2 · kind: (continued from footnote 1) Upon receipt by EEP III of its pro rata interest of the distribution (43,984 shares of Class A Common Stock), EEP III distributed in-kind, without consideration, all such shares pro-rata to its limited partners in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain "Permitted Transfers" described in the Issuer's certificate of incorporation. All outstanding shares of Class B Common Stock will convert into shares of Class A Common Stock upon the earliest of (i) six months following the death or incapacity of Mr. Yuan, (ii) six months following the date that Mr. Yuan ceases providing services to the Issuer, (iii) the date specified by the holders of a majority of the shares of Class B Common Stock, and (iv) the 15-year anniversary of the closing of the Issuer's initial public offering.

F3 · ownership.nature: Shares held directly by Emergence Capital Partners III, L.P. ("Emergence"). The sole general partner of Emergence is Emergence Equity Partners III, L.P. ("EEP III"), and the sole general partner of EEP III is Emergence GP Partners, LLC ("EGP"). The Reporting Person is a member of EEP III. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by Emergence, except to the extent, if any, of his pecuniary interest therein, and this report shall not be deemed an admission that he is the beneficial owner of such shares for Section 16 or any other purpose.