ZM

SEC source: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 9

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

10b5-1 filing: Plan reported

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.

F9 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.495 to $69.20. 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.

SEC source: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 4,953

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 $67.47 to $68.425. 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: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,207

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

SEC source: 0001585521-23-000261 · wk-form4_1701905337.xml · derivative · entry 13

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 11,207 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.

F12 · 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.

F12 · 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.

F12 · 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: 0001585521-23-000261 · wk-form4_1701905337.xml · derivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,207

Underlying: Class A Common Stock · 11,207 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.

F12 · 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.

F12 · 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.

F12 · 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: 0001585521-23-000261 · wk-form4_1701905337.xml · derivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,207

Underlying: Class B Common Stock · 11,207 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.

F11 · derivative.exercise_date: This option is fully vested.

F12 · 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: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 84,691

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

F7 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $67.01 to $67.25. 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.

F6 · 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: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 86,712

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 $65.925 to $66.85. 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.

F6 · 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: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

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.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $69.325 to $69.74. 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: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 800

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 $68.25 to $69.19. 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: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,333

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 $67.25 to $68.21. 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: 0001585521-23-000261 · wk-form4_1701905337.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,207

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: 0001585521-23-000259 · wk-form4_1701905260.xml · derivative · entry 3

Bawa Aparna · CIK 0001773301 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,132

Underlying: Class A Common Stock · 1,710 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.

F3 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of Issuer's Class A Common Stock.

F4 · derivative.exercise_date: On July 23, 2020, the Compensation Committee approved an award of restricted stock units to be granted to the Reporting Person, effective September 4, 2020 (the "RSU"). The number of shares of the Issuer's Class A Common Stock issuable under the RSU was determined by dividing $7,000,000 by the average closing price of the Issuer's Class A Common Stock over the sixty (60) day trading period ending seven days prior to the September 4, 2020 grant date and rounding up to the nearest whole share. The RSU vests as to 1/4th of the shares subject to the RSU on the one-year anniversary of the grant date, with1/12 of the remaining shares vesting in equal quarterly installments over the next three years subject to the Reporting Person's continuous service as of such vesting dates. The RSU is subject to accelerated vesting in the event of termination of employment by the Reporting Person under certain circumstances in connection with a change in control of the Issuer.

F4 · derivative.expiration_date: On July 23, 2020, the Compensation Committee approved an award of restricted stock units to be granted to the Reporting Person, effective September 4, 2020 (the "RSU"). The number of shares of the Issuer's Class A Common Stock issuable under the RSU was determined by dividing $7,000,000 by the average closing price of the Issuer's Class A Common Stock over the sixty (60) day trading period ending seven days prior to the September 4, 2020 grant date and rounding up to the nearest whole share. The RSU vests as to 1/4th of the shares subject to the RSU on the one-year anniversary of the grant date, with1/12 of the remaining shares vesting in equal quarterly installments over the next three years subject to the Reporting Person's continuous service as of such vesting dates. The RSU is subject to accelerated vesting in the event of termination of employment by the Reporting Person under certain circumstances in connection with a change in control of the Issuer.

SEC source: 0001585521-23-000259 · wk-form4_1701905260.xml · nonDerivative · entry 2

Bawa Aparna · CIK 0001773301 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 2,809

F2 · kind: Shares withheld by Issuer to satisfy the tax withholding obligation in connection with the vesting of Restricted Stock Units.

F1 · ownership.nature: The shares are held of record by Rafik Bawa and Aparna Bawa, as Trustees of the Bawa Family Trust under agreement dated November 12, 2013, for which the Reporting Person and the Reporting Person's spouse serve as trustees.

SEC source: 0001585521-23-000259 · wk-form4_1701905260.xml · nonDerivative · entry 1

Bawa Aparna · CIK 0001773301 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 3,688

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 · ownership.nature: The shares are held of record by Rafik Bawa and Aparna Bawa, as Trustees of the Bawa Family Trust under agreement dated November 12, 2013, for which the Reporting Person and the Reporting Person's spouse serve as trustees.

SEC source: 0001585521-23-000257 · wk-form4_1701904755.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 161,760

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

SEC source: 0001585521-23-000257 · wk-form4_1701904755.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 161,860

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 $68.11 to $68.25. 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: 0001585521-23-000257 · wk-form4_1701904755.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 162,227

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 $67.11 to $68.075. 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: 0001585521-23-000255 · wk-form4_1701476076.xml · derivative · entry 7

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,960 shares

Expires not disclosed

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

F6 · 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.

F6 · 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: 0001585521-23-000255 · wk-form4_1701476076.xml · derivative · entry 6

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,960

Underlying: Class A Common Stock · 10,960 shares

Expires not disclosed

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

F6 · 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.

F6 · 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: 0001585521-23-000255 · wk-form4_1701476076.xml · derivative · entry 5

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 555,028

Underlying: Class B Common Stock · 10,960 shares

Expires 2028-01-06

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.

F5 · derivative.exercise_date: 1/4 of the shares subject to the option vested on November 6, 2018, and 1/48 of the shares vest monthly thereafter. The shares subject to this option are early exercisable, subject to the Issuer's right to repurchase.

F6 · 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: 0001585521-23-000255 · wk-form4_1701476076.xml · nonDerivative · entry 3

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

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.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.89 to $68.975. 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: 0001585521-23-000255 · wk-form4_1701476076.xml · nonDerivative · entry 2

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 535

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 $67.88 to $68.86. 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: 0001585521-23-000255 · wk-form4_1701476076.xml · nonDerivative · entry 1

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,960

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

SEC source: 0001585521-23-000253 · wk-form4_1701386982.xml · nonDerivative · entry 3

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 163,827

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 $67.14 to $67.53. 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: 0001585521-23-000253 · wk-form4_1701386982.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 164,794

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 $66.14 to $67.06. 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: 0001585521-23-000253 · wk-form4_1701386982.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 165,494

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 $65.08 to $65.99. 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: 0001585521-23-000251 · wk-form4_1701124626.xml · derivative · entry 8

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,960 shares

Expires not disclosed

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

F7 · 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.

F7 · 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: 0001585521-23-000251 · wk-form4_1701124626.xml · derivative · entry 7

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,960

Underlying: Class A Common Stock · 10,960 shares

Expires not disclosed

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

F7 · 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.

F7 · 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: 0001585521-23-000251 · wk-form4_1701124626.xml · derivative · entry 6

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 565,988

Underlying: Class B Common Stock · 10,960 shares

Expires 2028-01-06

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.

F6 · derivative.exercise_date: 1/4 of the shares subject to the option vested on November 6, 2018, and 1/48 of the shares vest monthly thereafter. The shares subject to this option are early exercisable, subject to the Issuer's right to repurchase.

F7 · 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: 0001585521-23-000251 · wk-form4_1701124626.xml · nonDerivative · entry 4

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

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.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $65.89 to $66.50. 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: 0001585521-23-000251 · wk-form4_1701124626.xml · nonDerivative · entry 3

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,000

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 $64.87 to $65.55. 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: 0001585521-23-000251 · wk-form4_1701124626.xml · nonDerivative · entry 2

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,283

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 $63.85 to $64.85. 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: 0001585521-23-000251 · wk-form4_1701124626.xml · nonDerivative · entry 1

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,960

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

SEC source: 0001585521-23-000244 · wk-form4_1699049692.xml · derivative · entry 12

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 11,207 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 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.

F8 · 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.

F8 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · derivative · entry 11

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,207

Underlying: Class A Common Stock · 11,207 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 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.

F8 · 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.

F8 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · derivative · entry 10

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,414

Underlying: Class B Common Stock · 11,207 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.

F7 · derivative.exercise_date: This option is fully vested.

F8 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · nonDerivative · entry 6

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 87,112

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 $60.68 to $61.07. 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.

F4 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · nonDerivative · entry 5

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

10b5-1 filing: Plan reported

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.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.07 to $61.68. 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: 0001585521-23-000244 · wk-form4_1699049692.xml · nonDerivative · entry 4

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,207

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: 0001585521-23-000244 · wk-form4_1699049692.xml · derivative · entry 9

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 11,208 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 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.

F8 · 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.

F8 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · derivative · entry 8

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,208

Underlying: Class A Common Stock · 11,208 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 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.

F8 · 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.

F8 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · derivative · entry 7

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 33,621

Underlying: Class B Common Stock · 11,208 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.

F7 · derivative.exercise_date: This option is fully vested.

F8 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · nonDerivative · entry 3

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

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 89,533

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 $59.365 to $59.65. 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.

F4 · 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: 0001585521-23-000244 · wk-form4_1699049692.xml · nonDerivative · entry 2

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

10b5-1 filing: Plan reported

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.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $59.65 to $60.12. 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: 0001585521-23-000244 · wk-form4_1699049692.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 11,208

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: 0001585521-23-000242 · wk-form4_1698875434.xml · derivative · entry 7

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 10,960 shares

Expires not disclosed

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

F6 · 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.

F6 · 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: 0001585521-23-000242 · wk-form4_1698875434.xml · derivative · entry 6

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 10,960

Underlying: Class A Common Stock · 10,960 shares

Expires not disclosed

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

F6 · 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.

F6 · 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: 0001585521-23-000242 · wk-form4_1698875434.xml · derivative · entry 5

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 576,948

Underlying: Class B Common Stock · 10,960 shares

Expires 2028-01-06

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.

F5 · derivative.exercise_date: 1/4 of the shares subject to the option vested on November 6, 2018, and 1/48 of the shares vest monthly thereafter. The shares subject to this option are early exercisable, subject to the Issuer's right to repurchase.

F6 · 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: 0001585521-23-000242 · wk-form4_1698875434.xml · nonDerivative · entry 3

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: Plan reported

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.

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $60.115 to $60.52. 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.