BRZE

SEC source: 0001676238-25-000097 · wk-form4_1751056604.xml · nonDerivative · entry 1

OBSTLER DAVID M · CIK 0001120741 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 68,052

F1 · shares: The reported securities represent a restricted stock unit ("RSU") award and shall vest on the earlier of (i) June 26, 2026, or (ii) the date immediately preceding the date of the Issuer's 2026 annual meeting of stockholders, in each case subject to the Reporting Person's continuous service on such vesting date.

SEC source: 0001676238-25-000093 · wk-form4_1751056413.xml · nonDerivative · entry 1

Machado Fernando · CIK 0001801288 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 13,970

F1 · shares: The reported securities represent a restricted stock unit ("RSU") award and shall vest on the earlier of (i) June 26, 2026, or (ii) the date immediately preceding the date of the Issuer's 2026 annual meeting of stockholders, in each case subject to the Reporting Person's continuous service on such vesting date.

SEC source: 0001676238-25-000095 · wk-form4_1751056503.xml · nonDerivative · entry 2

Levy Tara Walpert · CIK 0001583097 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 94,240

F1 · shares: The reported securities represent a restricted stock unit ("RSU") award and shall vest on the earlier of (i) June 26, 2026, or (ii) the date immediately preceding the date of the Issuer's 2026 annual meeting of stockholders, in each case subject to the Reporting Person's continuous service on such vesting date.

SEC source: 0001676238-25-000099 · wk-form4_1751056685.xml · nonDerivative · entry 1

FERNANDEZ PHILLIP M · CIK 0001200465 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,302

F1 · shares: The reported securities represent a restricted stock unit ("RSU") award and shall vest on the earlier of (i) June 26, 2026, or (ii) the date immediately preceding the date of the Issuer's 2026 annual meeting of stockholders, in each case subject to the Reporting Person's continuous service on such vesting date.

SEC source: 0001676238-25-000091 · wk-form4_1751056296.xml · nonDerivative · entry 1

Wassenaar Yvonne · CIK 0001707744 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,760

F1 · shares: The reported securities represent a restricted stock unit ("RSU") award and shall vest on the earlier of (i) June 26, 2026, or (ii) the date immediately preceding the date of the Issuer's 2026 annual meeting of stockholders, in each case subject to the Reporting Person's continuous service on such vesting date.

SEC source: 0001415889-25-018530 · form4-06302025_090658.xml · nonDerivative · entry 1

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 63,348

F1 · shares: The reported securities represent a restricted stock unit ("RSU") award and shall vest on the earlier of (i) June 26, 2026, or (ii) the date immediately preceding the date of the Issuer's 2026 annual meeting of stockholders, in each case subject to the Reporting Person's continuous service on such vesting date.

F2 · balance_after: The securities held by the Reporting Person prior to the transaction reported herein reflect pro rata distributions in kind for no additional consideration, effected by each of Battery Ventures XI-A, L.P., Battery Ventures XI-B, L.P., Battery Ventures XI-A Side Fund, L.P. and Battery Ventures XI-B Side Fund, L.P. to their respective general and limited partners, and the further pro rata distributions in kind, for no additional consideration, of the shares received in such distributions by their general partners, Battery Partners XI, LLC and Battery Partners XI Side Fund, LLC, to their respective members, including the Reporting Person. The receipt of such securities by the Reporting Person constituted a change in form of ownership and, therefore, was not required to be reported pursuant to Section 16.

F3 · balance_after: The shares held by the Reporting Person reported herein reflect a change in form of ownership, which was exempt from reporting pursuant to Rule 16a-13.

SEC source: 0001676238-25-000095 · wk-form4_1751056503.xml · derivative · entry 5

Levy Tara Walpert · CIK 0001583097 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 73,938 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 share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F3 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F3 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

SEC source: 0001676238-25-000095 · wk-form4_1751056503.xml · derivative · entry 4

Levy Tara Walpert · CIK 0001583097 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 73,938

Underlying: Class A Common Stock · 73,938 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 share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F3 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F3 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

SEC source: 0001676238-25-000095 · wk-form4_1751056503.xml · derivative · entry 3

Levy Tara Walpert · CIK 0001583097 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 73,938 shares

Expires 2030-02-03

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_date: This award is fully vested.

F3 · derivative.underlying: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

SEC source: 0001676238-25-000095 · wk-form4_1751056503.xml · nonDerivative · entry 1

Levy Tara Walpert · CIK 0001583097 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,207

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: 0001676238-25-000083 · wk-form4_1750288194.xml · nonDerivative · entry 1

Wiseman Susan · CIK 0001889752 · General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 244,441

F1 · kind: The Reporting Person is voluntarily reporting the acquisition of shares of the Issuer's Class A common stock pursuant to the Issuer's 2021 Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of January 16, 2025 through June 16, 2025. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the terms of the ESPP, the price in Column 4 represents 85% of the fair market value of the Issuer's Class A common stock on the purchase date.

F3 · balance_after: Of the reported shares, 98,748 shares are represented by restricted stock units.

SEC source: 0001676238-25-000085 · wk-form4_1750288771.xml · nonDerivative · entry 1

Malik Astha · CIK 0002060697 · Chief Business Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 258,980

F1 · kind: The Reporting Person is voluntarily reporting the acquisition of shares of the Issuer's Class A common stock pursuant to the Issuer's 2021 Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of January 16, 2025 through June 16, 2025. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the terms of the ESPP, the price in Column 4 represents 85% of the fair market value of the Issuer's Class A common stock on the purchase date.

F3 · balance_after: Of the reported shares, 222,391 shares are represented by restricted stock units.

SEC source: 0001676238-25-000081 · wk-form4_1750287632.xml · nonDerivative · entry 1

Winkles Isabelle · CIK 0001888946 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 278,866

F1 · kind: The Reporting Person is voluntarily reporting the acquisition of shares of the Issuer's Class A common stock pursuant to the Issuer's 2021 Employee Stock Purchase Plan ("ESPP") for the ESPP purchase period of January 16, 2025 through June 16, 2025. This transaction is exempt under Rule 16b-3(c).

F2 · price: In accordance with the terms of the ESPP, the price in Column 4 represents 85% of the fair market value of the Issuer's Class A common stock on the purchase date.

F3 · balance_after: Of the reported shares, 216,023 shares are represented by restricted stock units.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · derivative · entry 15

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B Side Fund, L.P.

Disclosed balance after: 355,473

Underlying: Class A Common Stock · 131,244 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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F11 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F6 · ownership.nature: Securities are held by Battery Ventures XI-B Side Fund, L.P. ("BV XI-B SF"). The sole general partner of BV XI-B SF is BP XI SF. The Reporting Person is a managing member of BP XI SF and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · derivative · entry 14

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-A Side Fund, L.P.

Disclosed balance after: 1,639,369

Underlying: Class A Common Stock · 605,256 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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F11 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F5 · ownership.nature: Securities are held by Battery Ventures XI-A Side Fund, L.P. ("BV XI-A SF"). The sole general partner of BV XI-A SF is Battery Partners XI Side Fund, LLC ("BP XI SF"). The Reporting Person is a managing member of BP XI SF and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · derivative · entry 13

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B, L.P.

Disclosed balance after: 416,920

Underlying: Class A Common Stock · 153,928 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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F11 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F4 · ownership.nature: Securities are held by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · derivative · entry 12

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-A, L.P.

Disclosed balance after: 1,577,922

Underlying: Class A Common Stock · 582,572 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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F11 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F3 · ownership.nature: Securities are held by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · derivative · entry 11

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 73,137

Underlying: Class A Common Stock · 27,000 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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F1 · price: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F11 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F11 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock (A) at any time at the option of the Reporting Person or (B) automatically upon the occurrence of the following: (1) the transfer of such share of Class B Common Stock, except for certain transfers whereby the Reporting Person continues to hold sole voting and dispositive power with respect to each such share, (2) the death of a Class B common stockholder who is a natural person, (3) the last trading day of the fiscal quarter immediately following the fifth anniversary of the Issuer's initial public offering, (4) the date specified by affirmative vote of the holders of a majority of the outstanding shares of Class B common stock and (5) the last trading day of the fiscal quarter during which the then outstanding shares of Class B Common Stock first represent less than 10% of the aggregate number of shares of the then outstanding Class A Common Stock and Class B Common Stock.

F2 · ownership.nature: Securities are held by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC ("BP XI"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · nonDerivative · entry 5

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B Side Fund, L.P.

Disclosed balance after: 147,008

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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F6 · ownership.nature: Securities are held by Battery Ventures XI-B Side Fund, L.P. ("BV XI-B SF"). The sole general partner of BV XI-B SF is BP XI SF. The Reporting Person is a managing member of BP XI SF and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · nonDerivative · entry 4

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-A Side Fund, L.P.

Disclosed balance after: 677,940

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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F5 · ownership.nature: Securities are held by Battery Ventures XI-A Side Fund, L.P. ("BV XI-A SF"). The sole general partner of BV XI-A SF is Battery Partners XI Side Fund, LLC ("BP XI SF"). The Reporting Person is a managing member of BP XI SF and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · nonDerivative · entry 3

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B, L.P.

Disclosed balance after: 172,413

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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F4 · ownership.nature: Securities are held by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · nonDerivative · entry 2

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-A, L.P.

Disclosed balance after: 652,535

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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F3 · ownership.nature: Securities are held by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001415889-25-015268 · form4-06022025_100602.xml · nonDerivative · entry 1

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 30,241

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: These shares of Class B common stock were converted on a one-for-one basis into Class A common stock.

F2 · ownership.nature: Securities are held by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC ("BP XI"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over these securities. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001676238-25-000070 · wk-form4_1747866347.xml · nonDerivative · entry 1

Kleeger Myles · CIK 0001889751 · Pres & CCO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 159,693

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021 and last modified April 30, 2023, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.77 to $35.88 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 · balance_after: Of the reported shares, 142,360 shares are represented by restricted stock units.

SEC source: 0001676238-25-000072 · wk-form4_1747866491.xml · nonDerivative · entry 1

Wiseman Susan · CIK 0001889752 · General Counsel

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 243,856

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021 and last modified April 30, 2023, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.74 to $35.88 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 · balance_after: Of the reported shares, 98,748 shares are represented by restricted stock units.

SEC source: 0001676238-25-000076 · wk-form4_1747866765.xml · nonDerivative · entry 1

Winkles Isabelle · CIK 0001888946 · Chief Financial Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 278,281

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021 and last modified April 30, 2023, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.77 to $35.88 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 · balance_after: Of the reported shares, 216,023 shares are represented by restricted stock units.

SEC source: 0001676238-25-000074 · wk-form4_1747866640.xml · nonDerivative · entry 1

Malik Pankaj · CIK 0001889225 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,274

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021 and last modified April 15, 2024, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.75 to $35.88 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 · balance_after: Of the reported shares, 44,362 shares are represented by restricted stock units.

SEC source: 0001676238-25-000068 · wk-form4_1747866147.xml · nonDerivative · entry 1

Malik Astha · CIK 0002060697 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 258,395

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.77 to $35.88 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 · balance_after: Of the reported shares, 222,391 shares are represented by restricted stock units.

SEC source: 0001676238-25-000065 · wk-form4_1747865455.xml · nonDerivative · entry 1

Magnuson William · CIK 0001888932 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 745,769

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021 and last modified April 30, 2023, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.73 to $35.88 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 · balance_after: Of the reported shares, 461,499 shares are represented by restricted stock units.

SEC source: 0001676238-25-000063 · wk-form4_1747865238.xml · nonDerivative · entry 1

Hyman Jonathan · CIK 0001888935 · Chief Technology Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 214,024

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021 and last modified April 30, 2023, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.76 to $35.88 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 · balance_after: Of the reported shares, 161,753 shares are represented by restricted stock units.

SEC source: 0001676238-25-000061 · wk-form4_1747865082.xml · nonDerivative · entry 1

Braze, Inc. · CIK 0001676238 · Chief Business Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 258,395

F1 · kind: This transaction was effected in accordance with a non-discretionary sell-to-cover program implemented by the Issuer, effective November 16, 2021, to satisfy tax withholding obligations arising in connection with the vesting of the Reporting Person's restricted stock units.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.77 to $35.88 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 · balance_after: Of the reported shares, 222,391 shares are represented by restricted stock units.

SEC source: 0000950103-25-006348 · dp229148_4a-braze.xml · nonDerivative · entry 1

Braze, Inc. · CIK 0001676238 · See Remarks

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001415889-25-010800 · form4-04162025_040403.xml · nonDerivative · entry 2

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 709,037

F1 · kind: Represents the contribution of shares from the Reporting Person to the Neeraj Agrawal Irrevocable GST Trust of 2013 in exchange for cash and securities of equivalent value.

F1 · price: Represents the contribution of shares from the Reporting Person to the Neeraj Agrawal Irrevocable GST Trust of 2013 in exchange for cash and securities of equivalent value.

F2 · ownership.nature: Securities are held by the Neeraj Agrawal Irrevocable GST Trust of 2013, of which the Reporting Person's spouse is the trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001415889-25-010800 · form4-04162025_040403.xml · nonDerivative · entry 1

Agrawal Neeraj · CIK 0001532809 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,269

F1 · kind: Represents the contribution of shares from the Reporting Person to the Neeraj Agrawal Irrevocable GST Trust of 2013 in exchange for cash and securities of equivalent value.

F1 · price: Represents the contribution of shares from the Reporting Person to the Neeraj Agrawal Irrevocable GST Trust of 2013 in exchange for cash and securities of equivalent value.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 14

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Partners XI Side Fund, LLC

Disclosed balance after: 0

F17 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BP XI SF to its members without consideration.

F16 · ownership.nature: Securities are held by BP XI SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 13

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Partners XI Side Fund, LLC

Disclosed balance after: 369,104

F15 · kind: Represents receipt of securities in the distributions in kind described in footnotes (10) and (11).

F16 · ownership.nature: Securities are held by BP XI SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 12

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F14 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BP XI to its members without consideration.

F13 · ownership.direct: Securities are held by BP XI. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 11

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 298,284

F12 · kind: Represents receipt of securities in the distributions in kind described in footnotes (8) and (9).

F13 · ownership.direct: Securities are held by BP XI. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 10

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B Side Fund, L.P.

Disclosed balance after: 15,764

F11 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BV XI-B SF to its general partner and limited partners without additional consideration.

F6 · ownership.nature: Securities are held by Battery Ventures XI-B Side Fund, L.P. ("BV XI-B SF"). BP XI SF is the general partner of BV XI-B SF and may be deemed to beneficially own the securities held by BV XI-B SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 9

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-A Side Fund, L.P.

Disclosed balance after: 72,684

F10 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BV XI-A SF to its general partner and limited partners without additional consideration.

F5 · ownership.nature: Securities are held by Battery Ventures XI-A Side Fund, L.P. ("BV XI-A SF"). Battery Partners XI Side Fund, LLC ("BP XI SF") is the general partner of BV XI-A SF and may be deemed to beneficially own the securities held by BV XI-A SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 8

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B, L.P.

Disclosed balance after: 18,485

F9 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BV XI-B to its general partner and limited partners without additional consideration.

F4 · ownership.nature: Securities are held by Battery Ventures XI-B, L.P. ("BV XI-B"). BP XI is the general partner of BV XI-B and may be deemed to beneficially own the securities held by BV XI-B. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 7

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-A, L.P.

Disclosed balance after: 69,963

F8 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BV XI-A to its general partner and limited partners without additional consideration.

F3 · ownership.nature: Securities are held byBattery Ventures XI-A, L.P. ("BV XI-A"). BP XI is the general partner of BV XI-A and may be deemed to beneficially own the securities held by BV XI-A. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010652 · form4-04142025_110403.xml · nonDerivative · entry 6

Battery Partners XI, LLC · CIK 0001870316 · 10% owner

Battery Ventures XI-A, L.P. · CIK 0001665603 · 10% owner

Battery Ventures XI-B, L.P. · CIK 0001665601 · 10% owner

Battery Investment Partners XI, LLC · CIK 0001665602 · 10% owner

Battery Partners XI Side Fund, LLC · CIK 0001869817 · 10% owner

Battery Ventures XI-A Side Fund, L.P. · CIK 0001665600 · 10% owner

Battery Ventures XI-B Side Fund, L.P. · CIK 0001665599 · 10% owner

BROWN MICHAEL MAURICE · CIK 0001354614 · 10% owner

Feldman Jesse · CIK 0001568322 · 10% owner

FLEISCHER RUSSELL L · CIK 0001108424 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 3,241

F7 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BIP XI to its members without additional consideration.

F2 · ownership.nature: Securities are held by Battery Investment Partners XI, LLC ("BIP XI"). Battery Partners XI, LLC ("BP XI") is the managing member of BIP XI and may be deemed to beneficially own the securities held by BIP XI. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010654 · form4-04142025_110426.xml · nonDerivative · entry 14

Lee Roger H · CIK 0001404868 · 10% owner

Stoner Chelsea R. · CIK 0001741527 · 10% owner

Thakker Dharmesh · CIK 0001869544 · 10% owner

TOBIN SCOTT R · CIK 0001199926 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Partners XI Side Fund, LLC

Disclosed balance after: 0

F17 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BP XI SF to its members without consideration.

F16 · ownership.nature: Securities are held by BP XI SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010654 · form4-04142025_110426.xml · nonDerivative · entry 13

Lee Roger H · CIK 0001404868 · 10% owner

Stoner Chelsea R. · CIK 0001741527 · 10% owner

Thakker Dharmesh · CIK 0001869544 · 10% owner

TOBIN SCOTT R · CIK 0001199926 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Partners XI Side Fund, LLC

Disclosed balance after: 369,104

F15 · kind: Represents receipt of securities in the distributions in kind described in footnotes (10) and (11).

F16 · ownership.nature: Securities are held by BP XI SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010654 · form4-04142025_110426.xml · nonDerivative · entry 12

Lee Roger H · CIK 0001404868 · 10% owner

Stoner Chelsea R. · CIK 0001741527 · 10% owner

Thakker Dharmesh · CIK 0001869544 · 10% owner

TOBIN SCOTT R · CIK 0001199926 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 0

F14 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BP XI to its members without consideration.

F13 · ownership.direct: Securities are held by BP XI. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010654 · form4-04142025_110426.xml · nonDerivative · entry 11

Lee Roger H · CIK 0001404868 · 10% owner

Stoner Chelsea R. · CIK 0001741527 · 10% owner

Thakker Dharmesh · CIK 0001869544 · 10% owner

TOBIN SCOTT R · CIK 0001199926 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 298,284

F12 · kind: Represents receipt of securities in the distributions in kind described in footnotes (8) and (9).

F13 · ownership.direct: Securities are held by BP XI. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010654 · form4-04142025_110426.xml · nonDerivative · entry 10

Lee Roger H · CIK 0001404868 · 10% owner

Stoner Chelsea R. · CIK 0001741527 · 10% owner

Thakker Dharmesh · CIK 0001869544 · 10% owner

TOBIN SCOTT R · CIK 0001199926 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B Side Fund, L.P.

Disclosed balance after: 15,764

F11 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BV XI-B SF to its general partner and limited partners without additional consideration.

F6 · ownership.nature: Securities are held by Battery Ventures XI-B Side Fund, L.P. ("BV XI-B SF"). BP XI SF is the general partner of BV XI-B SF and may be deemed to beneficially own the securities held by BV XI-B SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010654 · form4-04142025_110426.xml · nonDerivative · entry 9

Lee Roger H · CIK 0001404868 · 10% owner

Stoner Chelsea R. · CIK 0001741527 · 10% owner

Thakker Dharmesh · CIK 0001869544 · 10% owner

TOBIN SCOTT R · CIK 0001199926 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-A Side Fund, L.P.

Disclosed balance after: 72,684

F10 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BV XI-A SF to its general partner and limited partners without additional consideration.

F5 · ownership.nature: Securities are held by Battery Ventures XI-A Side Fund, L.P. ("BV XI-A SF"). Battery Partners XI Side Fund, LLC ("BP XI SF") is the general partner of BV XI-A SF and may be deemed to beneficially own the securities held by BV XI-A SF. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI SF and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.

SEC source: 0001415889-25-010654 · form4-04142025_110426.xml · nonDerivative · entry 8

Lee Roger H · CIK 0001404868 · 10% owner

Stoner Chelsea R. · CIK 0001741527 · 10% owner

Thakker Dharmesh · CIK 0001869544 · 10% owner

TOBIN SCOTT R · CIK 0001199926 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · By Battery Ventures XI-B, L.P.

Disclosed balance after: 18,485

F9 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by BV XI-B to its general partner and limited partners without additional consideration.

F4 · ownership.nature: Securities are held by Battery Ventures XI-B, L.P. ("BV XI-B"). BP XI is the general partner of BV XI-B and may be deemed to beneficially own the securities held by BV XI-B. Neeraj Agrawal, Michael M. Brown, Jesse R. Feldman, Russell L. Fleischer, Roger H. Lee, Chelsea R. Stoner, Dharmesh Thakker and Scott R. Tobin are the managing members of BP XI and may be deemed to share voting and dispositive power over these securities. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of its, his or her pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of for any other purpose. Mr. Agrawal is a director of the Issuer and files separate Section 16 reports.