TDUP

SEC source: 0001484778-25-000071 · wk-form4_1748899375.xml · nonDerivative · entry 2

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 565,396

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: 0001484778-25-000072 · wk-form4_1748899404.xml · derivative · entry 9

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,331,710

Underlying: Class A Common Stock · 111,667 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 January 9, 2025, the Reporting Person was granted 1,340,000 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 January 9, 2025, the Reporting Person was granted 1,340,000 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: 0001484778-25-000072 · wk-form4_1748899404.xml · derivative · entry 8

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,443,377

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.

F4 · 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.

F4 · 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: 0001484778-25-000072 · wk-form4_1748899404.xml · derivative · entry 7

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,610,044

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.

F3 · 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.

F3 · 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: 0001484778-25-000072 · wk-form4_1748899404.xml · nonDerivative · entry 6

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,328,650

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: 0001484778-25-000072 · wk-form4_1748899404.xml · nonDerivative · entry 5

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,385,355

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: 0001484778-25-000072 · wk-form4_1748899404.xml · nonDerivative · entry 4

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,273,688

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: 0001484778-25-000072 · wk-form4_1748899404.xml · nonDerivative · entry 3

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,358,322

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: 0001484778-25-000072 · wk-form4_1748899404.xml · nonDerivative · entry 2

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,191,655

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: 0001484778-25-000072 · wk-form4_1748899404.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,246,251

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: 0001484778-25-000073 · wk-form4_1748899470.xml · nonDerivative · entry 1

Homer Christopher · CIK 0001850197 · Chief Operating Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 957,479

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

SEC source: 0001484778-25-000071 · wk-form4_1748899375.xml · nonDerivative · entry 1

Sobers Sean · CIK 0001688472 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 528,438

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

SEC source: 0001484778-25-000062 · wk-form4_1747945632.xml · nonDerivative · entry 1

NOVA DANIEL J · CIK 0001027730 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 231,987

F1 · kind: These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) May 21, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer on such date.

SEC source: 0001484778-25-000063 · wk-form4_1747945672.xml · nonDerivative · entry 1

Paransky Noam · CIK 0002022533 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 641,343

F1 · kind: These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) May 21, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer on such date.

SEC source: 0001484778-25-000067 · wk-form4_1747945807.xml · nonDerivative · entry 1

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 294,770

F1 · kind: These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) May 21, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer on such date.

SEC source: 0001484778-25-000066 · wk-form4_1747945769.xml · nonDerivative · entry 1

Rushing Coretha M · CIK 0001362321 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 253,197

F1 · kind: These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) May 21, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer on such date.

SEC source: 0001484778-25-000065 · wk-form4_1747945733.xml · nonDerivative · entry 1

Friedman Ian · CIK 0001834575 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 411,372

F1 · kind: These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) May 21, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer on such date.

SEC source: 0001484778-25-000064 · wk-form4_1747945701.xml · nonDerivative · entry 1

HALEY TIMOTHY M · CIK 0001201583 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 270,836

F1 · kind: These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) May 21, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer on such date.

SEC source: 0001484778-25-000061 · wk-form4_1747945600.xml · nonDerivative · entry 1

Ginsberg Amanda · CIK 0001596941 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 228,480

F1 · kind: These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock. The RSUs vest in full on the earlier of (i) May 21, 2026 or (ii) the Issuer's next annual meeting of stockholders, subject to the Reporting Person's continued service to the Issuer on such date.

SEC source: 0001415889-25-012655 · form4-05122025_040522.xml · derivative · entry 11

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,960 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.

F1 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · derivative · entry 10

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

Underlying: Class A Common Stock · 7,095 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.

F1 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · derivative · entry 9

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

Underlying: Class A Common Stock · 716,541 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.

F1 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock for no additional consideration.

F5 · 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.

F5 · 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.

F5 · 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.

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · nonDerivative · entry 7

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By TVL Management Corp.

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.40 to $6.50 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.

F4 · ownership.nature: The Reporting Person is an executive officer and director of TVL Management Corp. and shares voting and dispositive power over the shares held by TVL Management Corp. The Reporting Person disclaims beneficial ownership of the shares reported herein except to the extent of her pecuniary interest therein.

SEC source: 0001415889-25-012655 · form4-05122025_040522.xml · nonDerivative · entry 6

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.40 to $6.50 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.

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · nonDerivative · entry 5

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.40 to $6.50 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.

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · nonDerivative · entry 4

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 0

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.40 to $6.50 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.

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · nonDerivative · entry 3

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 3,960

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

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · nonDerivative · entry 2

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 7,095

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

F2 · 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: 0001415889-25-012655 · form4-05122025_040522.xml · nonDerivative · entry 1

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: No plan indicated

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

Disclosed balance after: 716,541

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

F2 · 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: 0001484778-25-000053 · wk-form4_1746739319.xml · nonDerivative · entry 1

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,138,737

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 $6.00 to $6.52 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: 0001415889-25-011204 · form4-04232025_040401.xml · derivative · entry 11

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 3,960

Underlying: Class A Common Stock · 1,158 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.

F6 · 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.

F6 · 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.

F6 · 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: 0001415889-25-011204 · form4-04232025_040401.xml · derivative · entry 10

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 7,095

Underlying: Class A Common Stock · 2,076 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.

F6 · 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.

F6 · 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.

F6 · 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: 0001415889-25-011204 · form4-04232025_040401.xml · derivative · entry 9

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 716,541

Underlying: Class A Common Stock · 209,608 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.

F6 · 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.

F6 · 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.

F6 · 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: 0001415889-25-011204 · form4-04232025_040401.xml · nonDerivative · entry 6

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.25 to $3.40 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: 0001415889-25-011204 · form4-04232025_040401.xml · nonDerivative · entry 5

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.25 to $3.40 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: 0001415889-25-011204 · form4-04232025_040401.xml · nonDerivative · entry 4

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.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.25 to $3.40 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: 0001415889-25-011204 · form4-04232025_040401.xml · nonDerivative · entry 3

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 1,158

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: 0001415889-25-011204 · form4-04232025_040401.xml · nonDerivative · entry 2

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 2,076

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: 0001415889-25-011204 · form4-04232025_040401.xml · nonDerivative · entry 1

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 209,608

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: 0001415889-25-010946 · form4-04172025_100436.xml · derivative · entry 29

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 5,118

Underlying: Class A Common Stock · 1,019 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.

F8 · 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.

F8 · 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.

F8 · 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: 0001415889-25-010946 · form4-04172025_100436.xml · derivative · entry 28

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 9,171

Underlying: Class A Common Stock · 1,825 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.

F8 · 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.

F8 · 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.

F8 · 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: 0001415889-25-010946 · form4-04172025_100436.xml · derivative · entry 27

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 926,149

Underlying: Class A Common Stock · 184,335 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.

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.

F8 · 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.

F8 · 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.

F8 · 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: 0001415889-25-010946 · form4-04172025_100436.xml · nonDerivative · entry 18

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.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.23 to $3.35 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: 0001415889-25-010946 · form4-04172025_100436.xml · nonDerivative · entry 17

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.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.23 to $3.35 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: 0001415889-25-010946 · form4-04172025_100436.xml · nonDerivative · entry 16

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.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $3.23 to $3.35 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: 0001415889-25-010946 · form4-04172025_100436.xml · nonDerivative · entry 15

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 1,019

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: 0001415889-25-010946 · form4-04172025_100436.xml · nonDerivative · entry 14

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 1,825

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: 0001415889-25-010946 · form4-04172025_100436.xml · nonDerivative · entry 13

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 184,335

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: 0001415889-25-010946 · form4-04172025_100436.xml · derivative · entry 26

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 6,137

Underlying: Class A Common Stock · 1,514 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 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.

F8 · 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.

F8 · 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.

F8 · 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: 0001415889-25-010946 · form4-04172025_100436.xml · derivative · entry 25

Nakache Patricia · CIK 0001597755 · Director

10b5-1 filing: Plan reported

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

Disclosed balance after: 10,996

Underlying: Class A Common Stock · 2,713 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.

F8 · 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.

F8 · 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.

F8 · 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.