ZM

SEC source: 0001585521-24-000270 · wk-form4_1733963292.xml · derivative · entry 8

Sankarlingam Velchamy · CIK 0001814012 · Pres. of Engineering & Product

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 19,649

Underlying: Class A Common Stock · 2,807 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.

F5 · derivative.exercise_date: The Reporting Person received an award of restricted stock units on September 12, 2023, which will vest in equal quarterly installments over three years.

F5 · derivative.expiration_date: The Reporting Person received an award of restricted stock units on September 12, 2023, which will vest in equal quarterly installments over three years.

SEC source: 0001585521-24-000270 · wk-form4_1733963292.xml · derivative · entry 7

Sankarlingam Velchamy · CIK 0001814012 · Pres. of Engineering & Product

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,565

Underlying: Class A Common Stock · 4,223 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: The Reporting Person received an award of restricted stock units on September 9, 2022, which will vest in equal quarterly installments over four years.

F4 · derivative.expiration_date: The Reporting Person received an award of restricted stock units on September 9, 2022, which will vest in equal quarterly installments over four years.

SEC source: 0001585521-24-000270 · wk-form4_1733963292.xml · nonDerivative · entry 1

Sankarlingam Velchamy · CIK 0001814012 · Pres. of Engineering & Product

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 111,444

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: 0001585521-24-000272 · wk-form4_1733963398.xml · derivative · entry 4

Crehan Shane · CIK 0001765578 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,421

Underlying: Class A Common Stock · 1,203 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.

F5 · derivative.exercise_date: The Reporting Person received an award of restricted stock units on September 12, 2023, which will vest in equal quarterly installments over three years.

F5 · derivative.expiration_date: The Reporting Person received an award of restricted stock units on September 12, 2023, which will vest in equal quarterly installments over three years.

SEC source: 0001585521-24-000272 · wk-form4_1733963398.xml · derivative · entry 3

Crehan Shane · CIK 0001765578 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,670

Underlying: Class A Common Stock · 1,810 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: The Reporting Person received an award of restricted stock units on September 9, 2022, 1/4 of which will vest on the anniversary date of the award. The remaining units will vest in equal quarterlyinstallments thereafter.

F4 · derivative.expiration_date: The Reporting Person received an award of restricted stock units on September 9, 2022, 1/4 of which will vest on the anniversary date of the award. The remaining units will vest in equal quarterlyinstallments thereafter.

SEC source: 0001585521-24-000272 · wk-form4_1733963398.xml · nonDerivative · entry 1

Crehan Shane · CIK 0001765578 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 4,802

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: 0001585521-24-000262 · wk-form4_1733533615.xml · derivative · entry 8

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 22,120,579

Underlying: Class A Common Stock · 83,333 shares

Expires not disclosed

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

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of 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.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.

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: 0001585521-24-000262 · wk-form4_1733533615.xml · nonDerivative · entry 6

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

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.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $84.33 to $85.085. 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: 0001585521-24-000262 · wk-form4_1733533615.xml · nonDerivative · entry 5

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 26,138

F2 · 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 $83.32 to 84.315. 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: 0001585521-24-000262 · wk-form4_1733533615.xml · nonDerivative · entry 4

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 83,333

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 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: 0001585521-24-000262 · wk-form4_1733533615.xml · derivative · entry 7

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 22,203,912

Underlying: Class A Common Stock · 83,333 shares

Expires not disclosed

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

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of 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.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.

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: 0001585521-24-000262 · wk-form4_1733533615.xml · nonDerivative · entry 3

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

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.

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $83.29 to $84.135. 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: 0001585521-24-000262 · wk-form4_1733533615.xml · nonDerivative · entry 2

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 70,944

F2 · 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 $82.28 to $83.26. 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: 0001585521-24-000262 · wk-form4_1733533615.xml · nonDerivative · entry 1

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 83,333

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 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: 0001585521-25-000053 · wk-form4_1742603776.xml · derivative · entry 6

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 704,064

Underlying: Class A Common Stock · 193 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.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain Permitted Transfers described in the Issuers 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 Eric S. 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 Issuers initial public offering.

F1 · kind: On December 4, 2024, EZP Opportunity, L.P. (EZP) converted in the aggregate 193 shares of the Issuer's Class B Common Stock into 193 shares of the Issuer's Class A Common Stock.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain Permitted Transfers described in the Issuers 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 Eric S. 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 Issuers initial public offering.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible at the option of Emergence and EZP, as applicable, into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock held by Emergence and EZP, as applicable, will automatically convert into one share of Class A Common Stock upon any transfer by Emergence and EZP, as applicable, except certain Permitted Transfers described in the Issuers 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 Eric S. 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 Issuers initial public offering.

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

SEC source: 0001585521-25-000053 · wk-form4_1742603776.xml · nonDerivative · entry 2

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 0

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

SEC source: 0001585521-25-000053 · wk-form4_1742603776.xml · nonDerivative · entry 1

Subotovsky Santiago · CIK 0001773806 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 193

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

F1 · kind: On December 4, 2024, EZP Opportunity, L.P. (EZP) converted in the aggregate 193 shares of the Issuer's Class B Common Stock into 193 shares of the Issuer's Class A Common Stock.

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

SEC source: 0001585521-24-000251 · wk-form4_1731026673.xml · derivative · entry 9

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 22,287,245

Underlying: Class A Common Stock · 83,333 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.

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: 0001585521-24-000251 · wk-form4_1731026673.xml · nonDerivative · entry 7

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

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.

F7 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.38 to $80.32. 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: 0001585521-24-000251 · wk-form4_1731026673.xml · nonDerivative · entry 6

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 65,543

F2 · 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 $78.37 to $79.365. 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: 0001585521-24-000251 · wk-form4_1731026673.xml · nonDerivative · entry 5

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 83,333

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 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: 0001585521-24-000251 · wk-form4_1731026673.xml · derivative · entry 8

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 22,370,578

Underlying: Class A Common Stock · 156,914 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.

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: 0001585521-24-000251 · wk-form4_1731026673.xml · nonDerivative · entry 4

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

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.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $77.82 to $77.84. 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: 0001585521-24-000251 · wk-form4_1731026673.xml · nonDerivative · entry 3

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 1,079

F2 · 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 $76.82 to $77.81. 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: 0001585521-24-000251 · wk-form4_1731026673.xml · nonDerivative · entry 2

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 100,090

F2 · 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 $75.82 to $76.815. 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: 0001585521-24-000251 · wk-form4_1731026673.xml · nonDerivative · entry 1

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 178,571

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 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: 0001585521-24-000249 · wk-form4_1730415065.xml · derivative · entry 3

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 75,000

Underlying: Class A Common Stock · 12,500 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_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.

F3 · 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: 0001585521-24-000249 · wk-form4_1730415065.xml · nonDerivative · entry 2

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,514

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 $75.00 to $75.08. 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: 0001585521-24-000249 · wk-form4_1730415065.xml · nonDerivative · entry 1

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,014

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: 0001585521-24-000247 · wk-form4_1729723881.xml · nonDerivative · entry 3

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 21,657

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 $71.79 to $72.765. 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.

F3 · 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: 0001585521-24-000247 · wk-form4_1729723881.xml · nonDerivative · entry 2

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 57,371

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 $71.50 to $72.135. 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.

F3 · 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: 0001585521-24-000247 · wk-form4_1729723881.xml · nonDerivative · entry 1

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 80,362

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 $70.48 to $71.30. 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.

F3 · 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: 0001585521-24-000245 · wk-form4_1729122055.xml · derivative · entry 5

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 87,500

Underlying: Class A Common Stock · 12,500 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.

F5 · 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.

F5 · 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: 0001585521-24-000245 · wk-form4_1729122055.xml · nonDerivative · entry 4

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 1,514

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 $69.98 to $70.86. 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: 0001585521-24-000245 · wk-form4_1729122055.xml · nonDerivative · entry 3

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 2,616

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 $68.73 to $69.46. 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: 0001585521-24-000245 · wk-form4_1729122055.xml · nonDerivative · entry 2

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 3,456

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 $67.73 to $68.72. 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: 0001585521-24-000245 · wk-form4_1729122055.xml · nonDerivative · entry 1

Chadwick Jonathan · CIK 0001375800 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 14,014

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: 0001585521-24-000243 · wk-form4_1729121953.xml · nonDerivative · entry 4

Bawa Aparna · CIK 0001773301 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 1,978

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 · 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: 0001585521-24-000243 · wk-form4_1729121953.xml · nonDerivative · entry 3

Bawa Aparna · CIK 0001773301 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 2,178

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 $69.84 to $70.77. 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.

F3 · 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: 0001585521-24-000243 · wk-form4_1729121953.xml · nonDerivative · entry 2

Bawa Aparna · CIK 0001773301 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 3,778

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 $68.70 to $69.57. 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.

F3 · 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: 0001585521-24-000243 · wk-form4_1729121953.xml · nonDerivative · entry 1

Bawa Aparna · CIK 0001773301 · Chief Operating Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 4,637

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 $67.70 to $68.65. 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.

F3 · 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: 0001585521-24-000223 · wk-form4_1728610871.xml · nonDerivative · entry 6

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 93,093

F3 · 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 $70.44 to $71.28. 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: 0001585521-24-000223 · wk-form4_1728610871.xml · nonDerivative · entry 5

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 106,870

F3 · 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 $69.405 to $70.40. 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: 0001585521-24-000241 · wk-form4_1728688885.xml · nonDerivative · entry 2

Sankarlingam Velchamy · CIK 0001814012 · Pres. of Engineering & Product

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,414

F1 · kind: This sale was mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

SEC source: 0001585521-24-000239 · wk-form4_1728688546.xml · nonDerivative · entry 2

Crehan Shane · CIK 0001765578 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,789

F1 · kind: This sale was mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

SEC source: 0001585521-24-000225 · wk-form4_1728610917.xml · nonDerivative · entry 2

Steckelberg Kelly · CIK 0001364713 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 140,427

F2 · kind: This sale was mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

F1 · ownership.nature: The shares are held of record by Kelly Steckelberg Trust dated July 29, 2006, for which the Reporting Person serves as trustee.

SEC source: 0001585521-24-000223 · wk-form4_1728610871.xml · nonDerivative · entry 4

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 114,341

F3 · 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 $69.77 to $70.04. 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: 0001585521-24-000223 · wk-form4_1728610871.xml · nonDerivative · entry 3

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 114,928

F3 · 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 $68.75 to $69.685. 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: 0001585521-24-000223 · wk-form4_1728610871.xml · nonDerivative · entry 2

Yuan Eric S. · CIK 0001773298 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Indirect · See footnote

Disclosed balance after: 116,761

F2 · kind: This sale was mandated by the Issuer's election under its equity incentive plans to require the satisfaction of a tax withholding obligation to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the reporting person.

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: 0001585521-24-000235 · wk-form4_1728680760.xml · derivative · entry 1

Chang Michelle · CIK 0002040959 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 355,476

Underlying: Class A Common Stock · 355,476 shares

Expires not disclosed

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, 1/4 of which will vest on October 9, 2025 and the remaining units will vest in equal quarterly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) on each such vesting date. The restricted stock units are subject to accelerated vesting in the event of a termination of employment of the Reporting Person under certain circumstances in connection with a change in control of the Issuer.

F2 · derivative.expiration_date: The reporting person received an award of restricted stock units, 1/4 of which will vest on October 9, 2025 and the remaining units will vest in equal quarterly installments thereafter, subject to the Reporting Person's Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) on each such vesting date. The restricted stock units are subject to accelerated vesting in the event of a termination of employment of the Reporting Person under certain circumstances in connection with a change in control of the Issuer.