TDUP

SEC source: 0001484778-24-000092 · wk-form4_1719346906.xml · nonDerivative · entry 1

Paranksy Noam · CIK 0002022533 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 149,432

F1 · kind: These shares represent restricted stock units (each, an "RSU"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in three equal annual installments on each date of the anniversary of the date of grant, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000085 · wk-form4_1718742087.xml · nonDerivative · entry 1

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 241,390

F1 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $1.78 to $1.80 per share. 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 range set forth in this footnote.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · derivative · entry 20

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Side-By-Side Fund, L.P.

Disclosed balance after: 40,065

Underlying: Common Stock · 43 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F7 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · derivative · entry 19

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Entrepreneurs' Fund, L.P.

Disclosed balance after: 71,776

Underlying: Class A Common Stock · 77 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F7 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · derivative · entry 18

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity Ventures X, L.P.

Disclosed balance after: 7,249,476

Underlying: Class A Common Stock · 7,800 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F7 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and upon the occurrence of other events set forth in the Issuer's Certificate of Incorporation.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · nonDerivative · entry 12

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Side-By-Side Fund, L.P.

Disclosed balance after: 0

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.05 to $2.06 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 range set forth in this footnote.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · nonDerivative · entry 11

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Entrepreneurs' Fund, L.P.

Disclosed balance after: 0

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.05 to $2.06 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 range set forth in this footnote.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · nonDerivative · entry 10

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity Ventures X, L.P.

Disclosed balance after: 0

F1 · kind: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.05 to $2.06 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 range set forth in this footnote.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · nonDerivative · entry 9

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Side-By-Side Fund, L.P.

Disclosed balance after: 43

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: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F2 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · nonDerivative · entry 8

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity X Entrepreneurs' Fund, L.P.

Disclosed balance after: 77

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: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F2 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-24-015425 · form4-06042024_090618.xml · nonDerivative · entry 7

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

Ownership: Indirect · By Trinity Ventures X, L.P.

Disclosed balance after: 7,800

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: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted on March 15, 2024. The Reporting Person did not participate in the consideration or the adoption of the Rule 10b5-1 Plan.

F2 · price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F3 · ownership.nature: The Reporting Person is a Management Member of Trinity TVL X, LLC, the general partner of Trinity Ventures X, L.P., Trinity X Entrepreneurs' Fund, L.P. and Trinity X Side-By-Side Fund, L.P. (collectively, the "Trinity Funds"), and shares voting and dispositive power with the other Management Members over the shares held by each of the Trinity Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · derivative · entry 10

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,015,095

Underlying: Class A Common Stock · 54,167 shares

Expires not disclosed

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

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

F6 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 650,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F6 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 650,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · derivative · entry 9

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,069,262

Underlying: Class A Common Stock · 58,237 shares

Expires not disclosed

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

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

F5 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 698,841 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 698,841 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · derivative · entry 8

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,127,499

Underlying: Class A Common Stock · 41,336 shares

Expires not disclosed

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

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

F4 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 457,869 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 457,869 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · nonDerivative · entry 7

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 602,132

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · nonDerivative · entry 6

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 618,031

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

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · nonDerivative · entry 5

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 563,864

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · nonDerivative · entry 4

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 580,957

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

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · nonDerivative · entry 3

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 522,720

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · nonDerivative · entry 2

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 534,853

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

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · derivative · entry 10

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 458,204

Underlying: Class A Common Stock · 25,750 shares

Expires not disclosed

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

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

F6 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 309,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F6 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 309,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · derivative · entry 9

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 483,954

Underlying: Class A Common Stock · 25,479 shares

Expires not disclosed

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

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

F5 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 305,744 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 305,744 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · derivative · entry 8

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 509,433

Underlying: Class A Common Stock · 15,944 shares

Expires not disclosed

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

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

F4 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 176,607 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 176,607 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · nonDerivative · entry 7

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 251,390

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · nonDerivative · entry 6

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 264,441

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

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · nonDerivative · entry 5

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 238,691

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · nonDerivative · entry 4

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 251,604

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

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · nonDerivative · entry 3

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 226,125

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · nonDerivative · entry 2

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 234,206

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

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · derivative · entry 10

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 671,677

Underlying: Class A Common Stock · 36,667 shares

Expires not disclosed

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

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

F6 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 440,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F6 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 440,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · derivative · entry 9

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 708,344

Underlying: Class A Common Stock · 36,958 shares

Expires not disclosed

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

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

F5 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 443,495 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 443,495 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · derivative · entry 8

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 745,302

Underlying: Class A Common Stock · 27,754 shares

Expires not disclosed

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

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

F4 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 307,427 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 307,427 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · nonDerivative · entry 7

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 354,088

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · nonDerivative · entry 6

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 372,671

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

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · nonDerivative · entry 5

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 336,004

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · nonDerivative · entry 4

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 354,735

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

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · nonDerivative · entry 3

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 317,777

F2 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · nonDerivative · entry 2

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 331,843

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

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · derivative · entry 9

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,542,064

Underlying: Class A Common Stock · 166,667 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F5 · derivative.exercise_date: On February 26, 2024, the Reporting Person was granted 2,000,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F5 · derivative.expiration_date: On February 26, 2024, the Reporting Person was granted 2,000,000 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · derivative · entry 8

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,708,731

Underlying: Class A Common Stock · 107,514 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F4 · derivative.exercise_date: On February 15, 2023, the Reporting Person was granted 1,290,168 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F4 · derivative.expiration_date: On February 15, 2023, the Reporting Person was granted 1,290,168 RSUs, vesting in twelve equal quarterly installments on June 1, September 1, December 1 and March 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · derivative · entry 7

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,816,245

Underlying: Class A Common Stock · 76,766 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock.

F3 · derivative.exercise_date: On April 11, 2022, the Reporting Person was granted 850,329 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

F3 · derivative.expiration_date: On April 11, 2022, the Reporting Person was granted 850,329 RSUs, which vested 6.25% in quarterly installments on each of June 1, 2022, September 1, 2022 and December 1, 2022, and beginning on March 1, 2023, vest 9.03% in quarterly installments on March 1, June 1, September 1 and December 1 until fully vested, subject to the Reporting Person's continued service to the Issuer on each such date.

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · nonDerivative · entry 6

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 851,849

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · nonDerivative · entry 5

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 936,316

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

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · nonDerivative · entry 4

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 769,649

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · nonDerivative · entry 3

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 816,287

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

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · nonDerivative · entry 2

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 708,773

F1 · kind: Represents shares of Class A Common Stock that were withheld by the Issuer to satisfy tax withholding obligations in connection with the vesting of RSUs.

SEC source: 0001484778-24-000082 · wk-form4_1717533095.xml · nonDerivative · entry 1

Reinhart James G. · CIK 0001849447 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 736,164

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

SEC source: 0001484778-24-000083 · wk-form4_1717533128.xml · nonDerivative · entry 1

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 493,517

F1 · kind: Shares purchased pursuant to the ThredUp Inc. 2021 Employee Stock Purchase Plan.

SEC source: 0001484778-24-000081 · wk-form4_1717533057.xml · nonDerivative · entry 1

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 218,262

F1 · kind: Shares purchased pursuant to the ThredUp Inc. 2021 Employee Stock Purchase Plan.

SEC source: 0001484778-24-000080 · wk-form4_1717532934.xml · nonDerivative · entry 1

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 304,089

F1 · kind: Shares purchased pursuant to the ThredUp Inc. 2021 Employee Stock Purchase Plan.