SES

SEC source: 0001415889-24-015428 · form4-06042024_090622.xml · nonDerivative · entry 2

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 825,506

F1 · kind: The option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.22 to $1.30, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · balance_after: Includes 656,309 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-015428 · form4-06042024_090622.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 850,506

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F2 · balance_after: Includes 656,309 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-013789 · form4-05202024_050501.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,012,496

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 463,498 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

F3 · balance_after: Includes 824,552 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-012753 · form4-05092024_050501.xml · derivative · entry 3

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 293,277

Underlying: Class A Common Stock · 25,000 shares

Expires 2029-03-13

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F4 · derivative.exercise_date: Reflects fully vested options granted on March 14, 2019.

SEC source: 0001415889-24-012753 · form4-05092024_050501.xml · nonDerivative · entry 2

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 825,506

F1 · kind: The option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.35 to $1.47, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · balance_after: Includes 656,309 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-012753 · form4-05092024_050501.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 850,506

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F2 · balance_after: Includes 656,309 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011338 · form4-04222024_090404.xml · nonDerivative · entry 1

Hu Qichao · CIK 0001907013 · Director · CEO & CHAIRMAN · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,976,228

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 2,523,766 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011340 · form4-04222024_090420.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,023,521

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 494,398 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

F3 · balance_after: Includes 824,552 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011339 · form4-04222024_090412.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 825,506

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 656,309 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011337 · form4-04222024_090402.xml · nonDerivative · entry 1

Pilkington Kyle · CIK 0001937313 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 544,907

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 485,153 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011051 · form4-04172024_050401.xml · nonDerivative · entry 2

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,050,097

F4 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F4 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 899,039 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

F5 · balance_after: Includes 494,398 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

SEC source: 0001415889-24-011046 · form4-04172024_050402.xml · nonDerivative · entry 1

Hu Qichao · CIK 0001907013 · Director · CEO & CHAIRMAN · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,038,331

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 2,709,984 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011051 · form4-04172024_050401.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,061,122

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 899,039 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

F3 · balance_after: Includes 525,298 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

SEC source: 0001415889-24-011049 · form4-04172024_050416.xml · nonDerivative · entry 1

Li Gang · CIK 0001972030 · CHIEF MANUFACTURING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 240,382

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 210,800 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011048 · form4-04172024_050409.xml · nonDerivative · entry 1

Pilkington Kyle · CIK 0001937313 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 547,957

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units ("RSUs"). These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 495,209 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-011047 · form4-04172024_050405.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 852,833

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units. These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of restricted stock units. These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 749,418 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-009840 · form4-04022024_050421.xml · derivative · entry 3

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 318,277

Underlying: Class A Common Stock · 25,000 shares

Expires 2029-03-13

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F4 · derivative.exercise_date: Reflects fully vested options granted on March 14, 2019.

SEC source: 0001415889-24-009840 · form4-04022024_050421.xml · nonDerivative · entry 2

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 875,001

F1 · kind: The option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.57 to $1.66, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · balance_after: Includes 819,153 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-009840 · form4-04022024_050421.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 900,001

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F2 · balance_after: Includes 819,153 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-008609 · form4-03192024_050301.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,084,366

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 968,774 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

F3 · balance_after: Includes 525,298 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

SEC source: 0001415889-24-006330 · form4-03042024_050302.xml · derivative · entry 3

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 343,277

Underlying: Class A Common Stock · 25,000 shares

Expires 2029-03-13

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F4 · derivative.exercise_date: Reflects fully vested options granted on March 14, 2019.

SEC source: 0001415889-24-006330 · form4-03042024_050302.xml · nonDerivative · entry 2

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 875,001

F1 · kind: The option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.64 to $1.75, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · balance_after: Includes 819,153 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-006330 · form4-03042024_050302.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 900,001

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F2 · balance_after: Includes 819,153 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-004438 · form4-02202024_050201.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,095,391

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 968,774 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

F3 · balance_after: Includes 556,198 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

SEC source: 0001415889-24-011050 · form4a-04172024_050420.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,097,028

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F1 · shares: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F2 · balance_after: Includes 968,774 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

F3 · balance_after: Includes 557,835 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

SEC source: 0001415889-24-003441 · form4-02122024_070201.xml · derivative · entry 2

Hu Qichao · CIK 0001907013 · Director · CEO & CHAIRMAN · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,779,661

Underlying: Class A Common Stock · 1,779,661 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_price: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.exercise_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.expiration_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.expiration_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

SEC source: 0001415889-24-003441 · form4-02122024_070201.xml · nonDerivative · entry 1

Hu Qichao · CIK 0001907013 · Director · CEO & CHAIRMAN · 10% owner

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,130,268

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 9, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, in three equal installments on the first, second and third anniversaries of the Grant Date, subject to continued employment or service through each applicable vesting date.

F2 · balance_after: Includes 2,988,922 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003445 · form4-02122024_070214.xml · derivative · entry 2

Li Gang · CIK 0001972030 · CHIEF MANUFACTURING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 127,118

Underlying: Class A Common Stock · 127,118 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_price: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.exercise_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.expiration_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.expiration_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

SEC source: 0001415889-24-003445 · form4-02122024_070214.xml · nonDerivative · entry 1

Li Gang · CIK 0001972030 · CHIEF MANUFACTURING OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 252,641

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 9, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, in three equal installments on the first, second and third anniversaries of the Grant Date, subject to continued employment or service through each applicable vesting date.

F2 · balance_after: Includes 252,641 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003444 · form4-02122024_070211.xml · derivative · entry 2

Pilkington Kyle · CIK 0001937313 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 338,983

Underlying: Class A Common Stock · 338,983 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_price: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.exercise_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.expiration_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.expiration_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

SEC source: 0001415889-24-003444 · form4-02122024_070211.xml · nonDerivative · entry 1

Pilkington Kyle · CIK 0001937313 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 564,883

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 9, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, in three equal installments on the first, second and third anniversaries of the Grant Date, subject to continued employment or service through each applicable vesting date.

F2 · balance_after: Includes 550,997 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003443 · form4-02122024_070209.xml · derivative · entry 2

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 423,728

Underlying: Class A Common Stock · 423,728 shares

Expires not disclosed

F3 · derivative.exercise_price: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_price: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.exercise_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.exercise_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F3 · derivative.expiration_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F4 · derivative.expiration_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

SEC source: 0001415889-24-003443 · form4-02122024_070209.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 875,001

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 9, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, in three equal installments on the first, second and third anniversaries of the Grant Date, subject to continued employment or service through each applicable vesting date.

F2 · balance_after: Includes 819,153 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003442 · form4-02122024_070203.xml · derivative · entry 2

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 610,593

Underlying: Class A Common Stock · 610,593 shares

Expires not disclosed

F4 · derivative.exercise_price: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F5 · derivative.exercise_price: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F4 · derivative.exercise_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F5 · derivative.exercise_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

F4 · derivative.expiration_date: Represents shares of Class A Common Stock underlying performance vesting RSUs ("PSUs") granted to the reporting person on the Grant Date pursuant to the Issuer's 2021 Incentive Award Plan. The PSUs vest in one installment following the end of a three-year period (the "Initial Performance Period") commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date. If following the Initial Performance Period there are PSUs that have not vested, then such PSUs remain eligible to vest in an additional installment following the end of a five-year period commencing on the Grant Date, subject to the achievement of certain Class A Common Stock price milestones and the reporting person's continued employment or service through such date.

F5 · derivative.expiration_date: The number of PSUs reported represents the maximum number of PSUs that may vest following certification by the Issuer's compensation committee. The share price thresholds for vesting of the PSUs are as follows: under $12.5, 0%; $12.5 or greater, 25%; $15 or greater, 50%; $17.5 or greater, 75%; and $20 or greater, 100%. A specified percentage of the PSUs will vest based on the average closing price of Class A Common Stock during any consecutive 100-calendar-day period during the Initial Performance Period, assuming that the average closing price during the last 30-calendar-day period in the Initial Performance also exceeds the highest share price threshold achieved. Otherwise, the number of PSUs that vest will be based on the average closing price during the last 30 calendar days of the Initial Performance Period using the same share price thresholds.

SEC source: 0001415889-24-003442 · form4-02122024_070203.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,108,053

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 9, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, in three equal installments on the first, second and third anniversaries of the Grant Date, subject to continued employment or service through each applicable vesting date.

F2 · balance_after: Includes 968,774 shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

F3 · balance_after: Includes 587,098 unvested shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

SEC source: 0001415889-24-003049 · form4-02082024_050205.xml · nonDerivative · entry 1

NOONEN MICHAEL · CIK 0001085396 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 223,400

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 6, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest in full, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, on the first anniversary of the Grant Date, subject to continued service through such vesting date.

F2 · balance_after: Includes 189,881 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003048 · form4-02082024_050202.xml · nonDerivative · entry 1

Ma Jiong · CIK 0001854872 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 223,400

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 6, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest in full, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, on the first anniversary of the Grant Date, subject to continued service through such vesting date.

F2 · balance_after: Includes 189,881 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003052 · form4-02082024_050210.xml · nonDerivative · entry 1

Krzanich Brian M · CIK 0001538580 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 254,237

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 6, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest in full, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, on the first anniversary of the Grant Date, subject to continued service through such vesting date.

F2 · balance_after: Includes 254,237 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003051 · form4-02082024_050209.xml · nonDerivative · entry 1

Luo Eric · CIK 0001907014 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 223,400

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 6, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest in full, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, on the first anniversary of the Grant Date, subject to continued service through such vesting date.

F2 · balance_after: Includes 189,881 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-003050 · form4-02082024_050206.xml · nonDerivative · entry 1

Choi Jangwook · CIK 0001907078 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 223,400

F1 · shares: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on February 6, 2024 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest in full, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, on the first anniversary of the Grant Date, subject to continued service through such vesting date.

F2 · balance_after: Includes 189,881 shares of Class A Common Stock underlying RSUs, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-002377 · form4-02022024_050201.xml · derivative · entry 3

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 368,277

Underlying: Class A Common Stock · 25,000 shares

Expires 2029-03-13

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F4 · derivative.exercise_date: Reflects fully vested options granted on March 14, 2019.

SEC source: 0001415889-24-002377 · form4-02022024_050201.xml · nonDerivative · entry 2

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 451,273

F1 · kind: The option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.34 to $1.42, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · balance_after: Includes shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-002377 · form4-02022024_050201.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 476,273

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F2 · balance_after: Includes shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-001535 · form4-01182024_050101.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,497,460

F1 · kind: Represents shares withheld to cover the Reporting Person's withholding tax obligations in connection with the vesting of a restricted share award. These shares were not sold by the Reporting Person.

F2 · balance_after: Includes shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

F3 · balance_after: Includes shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-000375 · form4-01032024_050101.xml · derivative · entry 3

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 393,277

Underlying: Class A Common Stock · 25,000 shares

Expires 2029-03-13

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F4 · derivative.exercise_date: Reflects fully vested options granted on March 14, 2019.

SEC source: 0001415889-24-000375 · form4-01032024_050101.xml · nonDerivative · entry 2

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 451,273

F1 · kind: The option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.79 to $1.90, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · balance_after: Includes shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-24-000375 · form4-01032024_050101.xml · nonDerivative · entry 1

Gan Hong · CIK 0001907008 · CHIEF SCIENCE OFFICER

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 476,273

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 option exercise and sale of Class A Common Stock of the issuer was executed pursuant to a Rule 10b5-1 plan entered into by the Reporting Person on September 5, 2023.

F2 · balance_after: Includes shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-23-016795 · form4-12202023_051201.xml · nonDerivative · entry 1

Nealis Jing · CIK 0001907020 · CHIEF FINANCIAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,510,122

F1 · kind: Shares were sold solely to cover taxes upon vesting of a restricted share award, pursuant to a plan adopted on June 14, 2022 intended to comply with Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.03 to $2.23, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F3 · balance_after: Includes shares of Class A Common Stock under a restricted share award granted on August 16, 2021. The restricted share award vested 25% on the first anniversary of the grant date and will vest in equal monthly installments over the following 36 months, subject to the reporting person's continued service on each vesting date.

F4 · balance_after: Includes shares of Class A Common Stock underlying restricted stock units, which are subject to forfeiture until they vest.

SEC source: 0001415889-23-016536 · form4-12152023_051201.xml · derivative · entry 3

Makharia Rohit · CIK 0001907018 · PRES. & CHIEF STRATEGY OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,180,676

Underlying: Class A Common Stock · 212,000 shares

Expires 2031-02-28

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: Reflects options granted on March 1, 2021 that vested 25% on the first anniversary of the grant date and will continue to vest in equal monthly installments over the following 36 months, subject to the Reporting Person's continued service on the vesting date.

SEC source: 0001415889-23-016536 · form4-12152023_051201.xml · nonDerivative · entry 2

Makharia Rohit · CIK 0001907018 · PRES. & CHIEF STRATEGY OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,603

F1 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.15 to $2.425, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4

F2 · balance_after: Represents shares of Class A common stock, par value $0.0001 per share ("Class A Common Stock"), underlying restricted stock units ("RSUs") granted to the reporting person on April 17, 2023 (the "Grant Date") pursuant to the Issuer's 2021 Incentive Award Plan. The RSUs will vest, and an equal number of shares of Class A Common Stock will be deliverable to the reporting person, in three equal installments on the first, second and third anniversaries of the Grant Date, subject to continued employment through each applicable vesting date.