TDUP

SEC source: 0001209191-23-042974 · doc4.xml · nonDerivative · entry 6

Nakache Patricia · CIK 0001597755 · Director · 10% owner

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 June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.59 to $2.63 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: 0001209191-23-042974 · doc4.xml · nonDerivative · entry 5

Nakache Patricia · CIK 0001597755 · Director · 10% owner

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 June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.59 to $2.63 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: 0001209191-23-042974 · doc4.xml · nonDerivative · entry 4

Nakache Patricia · CIK 0001597755 · Director · 10% owner

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 June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.59 to $2.63 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: 0001209191-23-042974 · doc4.xml · nonDerivative · entry 3

Nakache Patricia · CIK 0001597755 · Director · 10% owner

10b5-1 filing: Plan reported

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

Disclosed balance after: 272

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 June 9, 2023.

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: 0001209191-23-042974 · doc4.xml · nonDerivative · entry 2

Nakache Patricia · CIK 0001597755 · Director · 10% owner

10b5-1 filing: Plan reported

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

Disclosed balance after: 487

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 June 9, 2023.

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: 0001209191-23-042974 · doc4.xml · nonDerivative · entry 1

Nakache Patricia · CIK 0001597755 · Director · 10% owner

10b5-1 filing: Plan reported

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

Disclosed balance after: 49,240

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 June 9, 2023.

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: 0001209191-23-042972 · doc4.xml · derivative · entry 24

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

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

Disclosed balance after: 47,755

Underlying: Class A Common Stock · 272 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 June 9, 2023.

F10 · 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.

F10 · 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.

F10 · 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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · derivative · entry 23

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

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

Disclosed balance after: 85,549

Underlying: Class A Common Stock · 487 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 June 9, 2023.

F10 · 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.

F10 · 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.

F10 · 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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · derivative · entry 22

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

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

Disclosed balance after: 8,640,956

Underlying: Class A Common Stock · 49,240 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 June 9, 2023.

F10 · 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.

F10 · 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.

F10 · 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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · nonDerivative · entry 6

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

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 June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.59 to $2.63 inclusive. The Reporting Persons undertake 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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · nonDerivative · entry 5

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

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 June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.59 to $2.63 inclusive. The Reporting Persons undertake 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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · nonDerivative · entry 4

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

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 June 9, 2023.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.59 to $2.63 inclusive. The Reporting Persons undertake 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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · nonDerivative · entry 3

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

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

Disclosed balance after: 272

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 June 9, 2023.

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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · nonDerivative · entry 2

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

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

Disclosed balance after: 487

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 June 9, 2023.

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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001209191-23-042972 · doc4.xml · nonDerivative · entry 1

Trinity TVL X, LLC · CIK 0001461710 · 10% owner

TRINITY VENTURES X LP · CIK 0001456065 · 10% owner

Trinity X Entrepreneurs' Fund, L.P. · CIK 0001461716 · 10% owner

Trinity X Side-By-Side Fund, L.P. · CIK 0001459208 · 10% owner

CHOPRA AJAY · CIK 0001228023 · 10% owner

Fenton Noel J · CIK 0001290449 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Plan reported

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

Disclosed balance after: 49,240

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 June 9, 2023.

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: Trinity TVL X, LLC is 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 the Management Members of Trinity TVL X, LLC share voting and dispositive power over the shares held by each of the Trinity Funds. The Management Members of Trinity TVL X, LLC are Ajay Chopra, Noel Fenton and Patricia Nakache. Each of Trinity TVL X, LLC, Mr. Chopra and Mr. Fenton disclaims beneficial ownership of the shares reported herein except to the extent of its or his respective pecuniary interest therein. Ms. Nakache is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001484778-23-000144 · wk-form4_1688678785.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 222,413

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F2 · kind: Proceeds to be used by the Reporting Person to repay a personal loan obligation with a third party financial institution in connection with an earlier exercise of ThredUp Inc. stock options.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $2.41 to $2.52 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: 0001484778-23-000142 · wk-form4_1687466537.xml · nonDerivative · entry 1

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

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 257,581

F1 · kind: This transaction was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F2 · kind: Proceeds to be used by the Reporting Person to repay a personal loan obligation with a third party financial institution in connection with an earlier exercise of ThredUp Inc. stock options.

F3 · price: The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $2.48 to $2.62 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: 0001484778-23-000139 · wk-form4_1685997495.xml · derivative · entry 7

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 871,717

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: 0001484778-23-000139 · wk-form4_1685997495.xml · derivative · entry 6

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 929,954

Underlying: Class A Common Stock · 41,335 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: 0001484778-23-000139 · wk-form4_1685997495.xml · nonDerivative · entry 5

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 230,124

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: 0001484778-23-000139 · wk-form4_1685997495.xml · nonDerivative · entry 4

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 247,217

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: 0001484778-23-000139 · wk-form4_1685997495.xml · nonDerivative · entry 3

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 188,980

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: 0001484778-23-000139 · wk-form4_1685997495.xml · nonDerivative · entry 2

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,112

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: 0001484778-23-000138 · wk-form4_1685997452.xml · derivative · entry 7

Marino Anthony Salvatore · CIK 0001851770 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 871,717

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: 0001484778-23-000138 · wk-form4_1685997452.xml · derivative · entry 6

Marino Anthony Salvatore · CIK 0001851770 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 929,954

Underlying: Class A Common Stock · 41,335 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: 0001484778-23-000138 · wk-form4_1685997452.xml · nonDerivative · entry 5

Marino Anthony Salvatore · CIK 0001851770 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 328,272

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: 0001484778-23-000138 · wk-form4_1685997452.xml · nonDerivative · entry 4

Marino Anthony Salvatore · CIK 0001851770 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 348,411

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: 0001484778-23-000138 · wk-form4_1685997452.xml · nonDerivative · entry 3

Marino Anthony Salvatore · CIK 0001851770 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 290,174

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: 0001484778-23-000138 · wk-form4_1685997452.xml · nonDerivative · entry 2

Marino Anthony Salvatore · CIK 0001851770 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 304,468

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: 0001484778-23-000137 · wk-form4_1685997373.xml · derivative · entry 7

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 366,394

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: 0001484778-23-000137 · wk-form4_1685997373.xml · derivative · entry 6

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 391,873

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: 0001484778-23-000137 · wk-form4_1685997373.xml · nonDerivative · entry 5

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,802

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: 0001484778-23-000137 · wk-form4_1685997373.xml · nonDerivative · entry 4

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 157,613

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: 0001484778-23-000137 · wk-form4_1685997373.xml · nonDerivative · entry 3

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 132,134

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: 0001484778-23-000137 · wk-form4_1685997373.xml · nonDerivative · entry 2

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 137,648

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: 0001484778-23-000135 · wk-form4_1685997235.xml · derivative · entry 7

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 563,858

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: 0001484778-23-000135 · wk-form4_1685997235.xml · derivative · entry 6

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 600,816

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: 0001484778-23-000135 · wk-form4_1685997235.xml · nonDerivative · entry 5

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 164,916

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: 0001484778-23-000135 · wk-form4_1685997235.xml · nonDerivative · entry 4

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 177,697

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: 0001484778-23-000135 · wk-form4_1685997235.xml · nonDerivative · entry 3

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 140,739

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: 0001484778-23-000135 · wk-form4_1685997235.xml · nonDerivative · entry 2

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 150,337

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: 0001484778-23-000136 · wk-form4_1685997292.xml · derivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,612,517

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: 0001484778-23-000136 · wk-form4_1685997292.xml · derivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,720,031

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: 0001484778-23-000136 · wk-form4_1685997292.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 282,691

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: 0001484778-23-000136 · wk-form4_1685997292.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 319,870

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: 0001484778-23-000136 · wk-form4_1685997292.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 212,356

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: 0001484778-23-000136 · wk-form4_1685997292.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 238,902

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: 0001484778-23-000139 · wk-form4_1685997495.xml · nonDerivative · entry 1

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 159,777

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

SEC source: 0001484778-23-000138 · wk-form4_1685997452.xml · nonDerivative · entry 1

Marino Anthony Salvatore · CIK 0001851770 · President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 263,133

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

SEC source: 0001484778-23-000137 · wk-form4_1685997373.xml · nonDerivative · entry 1

Rotem Alon · CIK 0001850186 · Chief Legal Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 121,704

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