SEER

SEC source: 0001415889-25-003181 · form4-02062025_020243.xml · nonDerivative · entry 1

Horn David R. · CIK 0001834217 · PRESIDENT & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 476,961

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

SEC source: 0001415889-25-003177 · form4-02062025_020243.xml · nonDerivative · entry 1

Farokhzad Omid · CIK 0001586852 · Director · CEO AND CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,428,217

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 16

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Class A Common Stock · 140,000 shares

Expires 2030-02-15

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F8 · price: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the Effective Date and ending on February 15, 2030 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

F8 · derivative.exercise_date: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the Effective Date and ending on February 15, 2030 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 15

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 140,000 shares

Expires 2030-02-15

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F8 · price: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the Effective Date and ending on February 15, 2030 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

F7 · derivative.exercise_date: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Original Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the grant date and ending on February 15, 2030 (the "Original Performance Period"). If the Original Stock Price Hurdle is achieved within the Original Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Original Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 14

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 124,000

Underlying: Class A Common Stock · 124,000 shares

Expires 2032-02-08

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F6 · derivative.exercise_date: One-fourth of the shares underlying the option vested on February 8, 2023 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 13

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 124,000 shares

Expires 2032-02-08

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F6 · derivative.exercise_date: One-fourth of the shares underlying the option vested on February 8, 2023 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 12

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,125

Underlying: Class A Common Stock · 34,125 shares

Expires 2031-01-31

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F5 · derivative.exercise_date: One-fourth of the shares underlying the option vested on February 1, 2022 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 11

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 34,125 shares

Expires 2031-01-31

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F5 · derivative.exercise_date: One-fourth of the shares underlying the option vested on February 1, 2022 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 10

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 135,100

Underlying: Class A Common Stock · 135,100 shares

Expires 2030-12-02

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F4 · derivative.exercise_date: One-fourth of the shares underlying the option vested on December 3, 2021 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 9

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 135,100 shares

Expires 2030-12-02

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F4 · derivative.exercise_date: One-fourth of the shares underlying the option vested on December 3, 2021 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 8

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20

Underlying: Class A Common Stock · 20 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 7

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 6

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87

Underlying: Class A Common Stock · 87 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 5

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 87 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 4

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,662

Underlying: Class A Common Stock · 140,662 shares

Expires 2030-07-28

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 3

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 140,662 shares

Expires 2030-07-28

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 2

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 566,460

Underlying: Class A Common Stock · 566,460 shares

Expires 2030-04-01

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106429 · tm2425680-2_4seq1.xml · derivative · entry 1

Horn David R. · CIK 0001834217 · President & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 566,460 shares

Expires 2030-04-01

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 14

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 650,000

Underlying: Class A Common Stock · 650,000 shares

Expires 2030-02-15

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F7 · price: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the Effective Date and ending on February 15, 2030 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

F7 · derivative.exercise_date: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the Effective Date and ending on February 15, 2030 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 13

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 650,000 shares

Expires 2030-02-15

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F7 · price: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the Effective Date and ending on February 15, 2030 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

F6 · derivative.exercise_date: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Original Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 150% of the option exercise price during the period beginning on the grant date and ending on February 15, 2030 (the "Original Performance Period"). If the Original Stock Price Hurdle is achieved within the Original Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Original Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 12

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,000

Underlying: Class A Common Stock · 87,000 shares

Expires 2031-01-31

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F5 · derivative.exercise_date: One-fourth of the shares underlying the option vested on February 1, 2022 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 11

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 87,000 shares

Expires 2031-01-31

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F5 · derivative.exercise_date: One-fourth of the shares underlying the option vested on February 1, 2022 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 10

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 584,265

Underlying: Class A Common Stock · 584,265 shares

Expires 2030-12-02

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F4 · derivative.exercise_date: One-fourth of the shares underlying the option vested on December 3, 2021 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 9

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 584,265 shares

Expires 2030-12-02

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F4 · derivative.exercise_date: One-fourth of the shares underlying the option vested on December 3, 2021 and the remaining shares vest in 36 equal monthly installments thereafter.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 8

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 65

Underlying: Class A Common Stock · 65 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 7

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 65 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 6

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 112

Underlying: Class A Common Stock · 112 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 5

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 112 shares

Expires 2030-08-21

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 4

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 532,653

Underlying: Class A Common Stock · 532,653 shares

Expires 2030-07-28

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 3

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 532,653 shares

Expires 2030-07-28

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 2

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 878,375

Underlying: Class A Common Stock · 878,375 shares

Expires 2030-01-27

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001104659-24-106428 · tm2425680-1_4seq1.xml · derivative · entry 1

Farokhzad Omid · CIK 0001586852 · Director · CEO and Chair

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 878,375 shares

Expires 2030-01-27

F2 · price: The transactions reported herein reflect a one-time stock option repricing (the "Option Repricing") effective on October 4, 2024 (the "Effective Date"). The Option Repricing applies to nonstatutory options with exercise prices greater than $2.00 per share held by all continuing employees of the Issuer as of the Effective Date.

F3 · price: Pursuant to the Option Repricing, the exercise price of the repriced options, including the reported option, has been amended to reduce the exercise price to $2.00 per share, the closing price of the Issuer's Class A common stock on the Effective Date. However, if an employee exercises a repriced option before the end of a "Retention Period" that begins on the Effective Date of the Option Repricing and ends on the earliest to occur of the following: (i) April 4, 2026; (ii) a Change in Control, as defined in the Issuer's Equity Incentive Plan, as amended (the "2020 Plan"); and (iii) the optionholder's death or Disability (as defined in the 2020 Plan), then the employee will be required to pay a premium exercise price that is equal to the original exercise price per share of such option. There was no change to the vesting schedules, expiration dates or number of shares underlying the repriced options.

F1 · derivative.exercise_date: The shares underlying the option are fully vested are immediately exercisable.

SEC source: 0001415889-24-021407 · form4-08152024_100814.xml · derivative · entry 2

Roelofs Nicolas H PHD · CIK 0001292341 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 69,470

Underlying: Class A Common Stock · 69,470 shares

Expires 2034-08-12

F2 · derivative.exercise_date: The shares subject to the option vest in three equal annual installments beginning on August 13, 2025.

SEC source: 0001415889-24-021407 · form4-08152024_100814.xml · nonDerivative · entry 1

Roelofs Nicolas H PHD · CIK 0001292341 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 57,913

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in three equal annual installments beginning on August 13, 2025.

SEC source: 0001415889-24-017505 · form4-06192024_120628.xml · nonDerivative · entry 1

Nishar Dipchand · CIK 0001519500 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 79,457

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on September 14, 2023.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.74 to $1.82, inclusive. The reporting person undertakes to provide 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.

SEC source: 0001415889-24-016917 · form4-06142024_080649.xml · nonDerivative · entry 1

MCGUIRE TERRANCE · CIK 0001117003 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,566

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 12, 2025 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001415889-24-016877 · form4-06142024_080601.xml · nonDerivative · entry 1

Gulyani Meeta · CIK 0001896292 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,043

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 12, 2025 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001415889-24-016923 · form4-06142024_080608.xml · nonDerivative · entry 1

Nishar Dipchand · CIK 0001519500 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 91,566

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 12, 2025 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001415889-24-016912 · form4-06142024_080624.xml · nonDerivative · entry 1

LANGER ROBERT · CIK 0001239757 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 784,025

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 12, 2025 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001415889-24-016907 · form4-06142024_080648.xml · nonDerivative · entry 1

Haurwitz Rachel E. · CIK 0001670579 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 87,615

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 12, 2025 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001415889-24-016896 · form4-06142024_080606.xml · nonDerivative · entry 1

Hallal David · CIK 0001457477 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 355,128

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 12, 2025 or (ii) the day prior to the date of the Issuer's next annual meeting of stockholders.

SEC source: 0001415889-24-007704 · form4-03122024_100312.xml · nonDerivative · entry 1

Farokhzad Omid · CIK 0001586852 · Director · CEO AND CHAIR

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,436,285

F1 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.

SEC source: 0001415889-24-005096 · form4-02232024_100220.xml · nonDerivative · entry 2

Kogan Elona · CIK 0001679971 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 273,142

F2 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of RSUs.

SEC source: 0001415889-24-005093 · form4-02232024_100257.xml · nonDerivative · entry 2

Horn David R. · CIK 0001834217 · PRESIDENT & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 480,511

F2 · kind: The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of RSUs.

SEC source: 0001415889-24-005096 · form4-02232024_100220.xml · derivative · entry 4

Kogan Elona · CIK 0001679971 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Class A Common Stock · 140,000 shares

Expires 2034-02-06

F4 · derivative.exercise_date: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 200% of the option exercise price during the period beginning on the grant date and ending on February 6, 2031 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

SEC source: 0001415889-24-005096 · form4-02232024_100220.xml · derivative · entry 3

Kogan Elona · CIK 0001679971 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 79,729

Underlying: Class A Common Stock · 79,729 shares

Expires 2034-02-06

F3 · derivative.exercise_date: One-fourth of the shares subject to the option vest on February 6, 2025 and 1/48th of the shares vest monthly thereafter.

SEC source: 0001415889-24-005096 · form4-02232024_100220.xml · nonDerivative · entry 1

Kogan Elona · CIK 0001679971 · CHIEF LEGAL OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 285,826

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on February 15, 2025.

SEC source: 0001415889-24-005093 · form4-02232024_100257.xml · derivative · entry 4

Horn David R. · CIK 0001834217 · PRESIDENT & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,000

Underlying: Class A Common Stock · 140,000 shares

Expires 2034-02-06

F4 · derivative.exercise_date: The option is subject to vesting requirements based upon achievement of specified performance-based criteria (the "Stock Price Hurdle") which requires that the Issuer achieve a stock price equal to or greater than 200% of the option exercise price during the period beginning on the grant date and ending on February 6, 2031 (the "Performance Period"). If the Stock Price Hurdle is achieved within the Performance Period, then one-fourth of the shares subject to the option vest on the date that achievement of the Stock Price Hurdle is certified and the remaining shares vest annually thereafter in three equal installments.

SEC source: 0001415889-24-005093 · form4-02232024_100257.xml · derivative · entry 3

Horn David R. · CIK 0001834217 · PRESIDENT & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,557

Underlying: Class A Common Stock · 142,557 shares

Expires 2034-02-06

F3 · derivative.exercise_date: One-fourth of the shares subject to the option vest on February 6, 2025 and 1/48th of the shares vest monthly thereafter.

SEC source: 0001415889-24-005093 · form4-02232024_100257.xml · nonDerivative · entry 1

Horn David R. · CIK 0001834217 · PRESIDENT & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 493,195

F1 · shares: The reported shares are represented by restricted stock units, or RSUs, which vest in four equal annual installments beginning on February 15, 2025.