ZM

SEC source: 0001585521-21-000218 · wf-form4_162828989429888.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 181,243

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $379.03 to $379.13. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · derivative · entry 36

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,069,922

Underlying: Class A Common Stock · 80,529 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.

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · derivative · entry 35

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,585,512

Underlying: Class A Common Stock · 11,545 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.

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · derivative · entry 34

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,597,057

Underlying: Class A Common Stock · 11,545 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.

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · derivative · entry 33

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 228,875

Underlying: Class B Common Stock · 11,545 shares

Expires 2028-09-24

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.

F18 · derivative.exercise_date: The shares subject to the option vest in monthly installments as follows: approximately 1,577 shares vested on October 24, 2018 and approximately 1,577 vested on the 24th day of each month thereafter through and including December 24, 2018, approximately 8,207 shares vested on January 24, 2019 and approximately 8,207 shares vest on the 24th day of each month thereafter through and including December 24, 2021 and approximately 7,472 shares vest on the 24th day of each month thereafter through and including September 24, 2022. The shares subject to this option are early exercisable, subject to the Issuer's right to repurchase.

F17 · derivative.underlying: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · derivative · entry 32

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,585,512

Underlying: Class A Common Stock · 4,080 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.

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · derivative · entry 31

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,589,592

Underlying: Class A Common Stock · 4,080 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.

F17 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F17 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · derivative · entry 30

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 83,625

Underlying: Class B Common Stock · 4,080 shares

Expires 2023-09-24

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.

F16 · derivative.exercise_date: The shares subject to the option vest in monthly installments as follows: approximately 8,840 shares vested on October 24, 2018 and approximately 8,840 shares vested on the 24th day of each month thereafter through and including December 24, 2018, approximately 2,210 shares vested on January 24, 2019 and approximately 2,210 shares vest on the 24th day of each month thereafter through and including December 24, 2021 and approximately 2,945 shares vest on the 24th day of each month thereafter through and including September 24, 2022.

F17 · derivative.underlying: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 29

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F14 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $384.31 to $384.89. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 28

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 420

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F13 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $383.17 to $384.07. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 27

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,097

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F12 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $382.17 to $383.14. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 26

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,609

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F11 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $381.10 to $382.09. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 25

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,862

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F10 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $380.10 to $381.08. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 24

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 7,826

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F9 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $379.06 to $380.04. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 23

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,620

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F8 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $378.04 to $379.00. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 22

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 10,359

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F7 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $377.03 to $377.99. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 21

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 12,498

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $376.02 to $377.00. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 20

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 27,038

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $375.02 to $376.01. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 19

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 43,460

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $374.02 to $375.01. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 18

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 59,050

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $373.02 to $374.01. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 17

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 72,654

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $372.01 to $373.00. 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.

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 16

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 80,529

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

F15 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 15

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F14 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $384.31 to $384.89. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 14

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F13 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $383.17 to $384.07. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 13

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 403

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F12 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $382.17 to $383.14. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 12

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 691

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F11 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $381.10 to $382.09. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 11

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,122

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F10 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $380.10 to $381.08. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 10

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,498

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F9 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $379.06 to $380.04. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 9

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,843

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F8 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $378.04 to $379.00. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 8

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,984

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F7 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $377.03 to $377.99. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 7

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,461

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $376.02 to $377.00. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 6

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,277

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $375.02 to $376.01. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 5

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,459

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $374.02 to $375.01. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 4

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,476

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $373.02 to $374.01. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 3

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,098

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $372.01 to $373.00. 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: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 2

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,625

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.

SEC source: 0001585521-21-000216 · wf-form4_162820214292795.xml · nonDerivative · entry 1

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,080

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.

SEC source: 0001585521-21-000214 · wf-form4_162811710529616.xml · derivative · entry 4

Napolitano Janet · CIK 0001821008 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 447

Underlying: Class A Common Stock · 25 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's Class A Common Stock.

F3 · derivative.exercise_date: The Reporting Person received an award of restricted stock units on December 4, 2020, which vest in equal quarterly installments beginning on February 2, 2021.

F3 · derivative.expiration_date: The Reporting Person received an award of restricted stock units on December 4, 2020, which vest in equal quarterly installments beginning on February 2, 2021.

SEC source: 0001585521-21-000214 · wf-form4_162811710529616.xml · derivative · entry 3

Napolitano Janet · CIK 0001821008 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 472

Underlying: Class A Common Stock · 87 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's Class A Common Stock.

F2 · derivative.exercise_date: The Reporting Person received an award of restricted stock units on November 2, 2020, which vest in equal installments on each quarterly anniversary date.

F2 · derivative.expiration_date: The Reporting Person received an award of restricted stock units on November 2, 2020, which vest in equal installments on each quarterly anniversary date.

SEC source: 0001585521-21-000214 · wf-form4_162811710529616.xml · nonDerivative · entry 2

Napolitano Janet · CIK 0001821008 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336

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.

SEC source: 0001585521-21-000214 · wf-form4_162811710529616.xml · nonDerivative · entry 1

Napolitano Janet · CIK 0001821008 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 311

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.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · derivative · entry 20

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,150,451

Underlying: Class A Common Stock · 80,529 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.

F21 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F21 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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.

F21 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by the Reporting Person will automatically convert into one share of Class A Common Stock upon (a) other than Eric S. Yuan, the death of the Reporting Person, or (b) any transfer by the Reporting Person 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 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 19

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F20 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $382.08 to $382.20. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 18

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 420

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F19 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $381.06 to $381.97. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 17

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,000

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F18 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $380.05 to $381.03. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 16

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,353

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F17 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $379.05 to $380.04. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 15

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 13,661

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F16 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $378.05 to $379.04. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 14

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 36,467

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F15 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $377.05 to $378.04. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 13

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 51,164

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F14 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $376.05 to $377.04. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.

SEC source: 0001585521-21-000213 · wf-form4_162811708341906.xml · nonDerivative · entry 12

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 54,326

F2 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F13 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $375.05 to $376.01. 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.

F1 · ownership.nature: The shares are held of record by Zheng Yuan and Hongyu Zhang, cotrustees of the the 2018 Yuan and Zhang Revocable Trust, for which the Reporting Person and the Reporting Person's spouse serve as cotrustees.