BRZE

SEC source: 0000899243-21-045808 · doc4.xml · derivative · entry 6

Spark Growth Management Partners II, LLC · CIK 0001846116 · 10% owner

Spark Capital Growth Fund II, L.P. · CIK 0001671626 · 10% owner

Spark Capital Growth Founders Fund II, L.P. · CIK 0001699504 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,330 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.

F4 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Spark Capital Growth Founders' Fund II, L.P. ("Spark Growth FF II"). SGMP II is the general partner of Spark Growth FF II and the SGMP II Managing Members are the managing members of SGMP II. Each of the SGMP II Managing Members may be deemed to share investment, voting and dispositive power over these shares. Each of SGMP II and the SGMP II Managing Members disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-21-045808 · doc4.xml · derivative · entry 5

Spark Growth Management Partners II, LLC · CIK 0001846116 · 10% owner

Spark Capital Growth Fund II, L.P. · CIK 0001671626 · 10% owner

Spark Capital Growth Founders Fund II, L.P. · CIK 0001699504 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 118,483 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.

F4 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F2 · ownership.nature: These shares are held of record by Spark Capital Growth Fund II, L.P. ("Spark Growth II"). Spark Growth Management Partners II, LLC ("SGMP II") is the general partner of Spark Growth II. Paul Conway, Jeremy Philips, Santo Politi and Bijan Sabet (the "SGMP II Managing Members") are the managing members of SGMP II. Each of the SGMP II Managing Members may be deemed to share investment, voting and dispositive power over these shares. Each of SGMP II and the SGMP II Managing Members disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-21-045808 · doc4.xml · derivative · entry 4

Spark Growth Management Partners II, LLC · CIK 0001846116 · 10% owner

Spark Capital Growth Fund II, L.P. · CIK 0001671626 · 10% owner

Spark Capital Growth Founders Fund II, L.P. · CIK 0001699504 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 984 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.

F4 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F3 · ownership.nature: These shares are held of record by Spark Capital Growth Founders' Fund II, L.P. ("Spark Growth FF II"). SGMP II is the general partner of Spark Growth FF II and the SGMP II Managing Members are the managing members of SGMP II. Each of the SGMP II Managing Members may be deemed to share investment, voting and dispositive power over these shares. Each of SGMP II and the SGMP II Managing Members disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-21-045808 · doc4.xml · derivative · entry 3

Spark Growth Management Partners II, LLC · CIK 0001846116 · 10% owner

Spark Capital Growth Fund II, L.P. · CIK 0001671626 · 10% owner

Spark Capital Growth Founders Fund II, L.P. · CIK 0001699504 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 87,689 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.

F4 · derivative.exercise_price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.exercise_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F4 · derivative.expiration_date: Immediately prior to the closing of the Issuer's initial public offering, each share of Series A Preferred Stock, Series A-1 Preferred Stock and Series E Preferred Stock (collectively, the "Preferred Stock") automatically converted into one share of the Issuer's Class B Common Stock, par value $0.0001 per share, on a one-for-one basis. The Preferred Stock had no expiration date.

F2 · ownership.nature: These shares are held of record by Spark Capital Growth Fund II, L.P. ("Spark Growth II"). Spark Growth Management Partners II, LLC ("SGMP II") is the general partner of Spark Growth II. Paul Conway, Jeremy Philips, Santo Politi and Bijan Sabet (the "SGMP II Managing Members") are the managing members of SGMP II. Each of the SGMP II Managing Members may be deemed to share investment, voting and dispositive power over these shares. Each of SGMP II and the SGMP II Managing Members disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-21-045808 · doc4.xml · nonDerivative · entry 2

Spark Growth Management Partners II, LLC · CIK 0001846116 · 10% owner

Spark Capital Growth Fund II, L.P. · CIK 0001671626 · 10% owner

Spark Capital Growth Founders Fund II, L.P. · CIK 0001699504 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock, par value $0.0001 per share, on a one-for-one basis in an exempt transaction pursuant to Rule 16b-7.

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock, par value $0.0001 per share, on a one-for-one basis in an exempt transaction pursuant to Rule 16b-7.

F3 · ownership.nature: These shares are held of record by Spark Capital Growth Founders' Fund II, L.P. ("Spark Growth FF II"). SGMP II is the general partner of Spark Growth FF II and the SGMP II Managing Members are the managing members of SGMP II. Each of the SGMP II Managing Members may be deemed to share investment, voting and dispositive power over these shares. Each of SGMP II and the SGMP II Managing Members disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.

SEC source: 0000899243-21-045808 · doc4.xml · nonDerivative · entry 1

Spark Growth Management Partners II, LLC · CIK 0001846116 · 10% owner

Spark Capital Growth Fund II, L.P. · CIK 0001671626 · 10% owner

Spark Capital Growth Founders Fund II, L.P. · CIK 0001699504 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock, par value $0.0001 per share, on a one-for-one basis in an exempt transaction pursuant to Rule 16b-7.

F1 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock, par value $0.0001 per share, on a one-for-one basis in an exempt transaction pursuant to Rule 16b-7.

F2 · ownership.nature: These shares are held of record by Spark Capital Growth Fund II, L.P. ("Spark Growth II"). Spark Growth Management Partners II, LLC ("SGMP II") is the general partner of Spark Growth II. Paul Conway, Jeremy Philips, Santo Politi and Bijan Sabet (the "SGMP II Managing Members") are the managing members of SGMP II. Each of the SGMP II Managing Members may be deemed to share investment, voting and dispositive power over these shares. Each of SGMP II and the SGMP II Managing Members disclaim beneficial ownership of these shares and this report shall not be deemed an admission that any one of them is the beneficial owner of such securities for purposes of Section 16 or for any other purpose, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-066518 · doc4.xml · derivative · entry 9

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 3,394,219

Underlying: Class A Common Stock · 1,130,000 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.

F4 · 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.

F4 · 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.

F4 · 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: 0001209191-21-066518 · doc4.xml · derivative · entry 8

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 4,524,219

Underlying: Class A Common Stock · 4,524,219 shares

Expires not disclosed

F4 · 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 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F4 · 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.

F4 · 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: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066518 · doc4.xml · derivative · entry 7

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 95,976 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 Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066518 · doc4.xml · derivative · entry 6

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 1,603,848 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 Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066518 · doc4.xml · derivative · entry 5

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 2,824,395 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 Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066518 · doc4.xml · nonDerivative · entry 4

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 0

F2 · ownership.nature: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066518 · doc4.xml · nonDerivative · entry 3

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 1,130,000

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.

F4 · 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.

F2 · ownership.nature: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066518 · doc4.xml · nonDerivative · entry 2

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 0

F3 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F3 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · ownership.nature: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066518 · doc4.xml · nonDerivative · entry 1

InterWest Management Partners X, LLC · CIK 0001460207 · 10% owner

INTERWEST PARTNERS X LP · CIK 0001443898 · 10% owner

Kliman Gilbert H · CIK 0001293171 · 10% owner

NASR KHALED · CIK 0001276600 · 10% owner

Desai Keval · CIK 0001553019 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By InterWest Partners X, L.P.

Disclosed balance after: 4,524,219

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 Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by InterWest Partners X, L.P. ("IW X"). The general partner of IW X is InterWest Management Partners X, LLC ("IMP X") and may be deemed to beneficially own the shares held by IW X. Gilbert H. Kliman is the managing director of IMP X and Keval Desai and Khaled A. Nasr are venture members of IMP X. The managing director and venture members of IMP X share voting and investment control with respect to the securities held by IW X. Each of IMP X, Mr. Kliman, Mr. Desai and Mr. Nasr disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-066480 · doc4.xml · derivative · entry 2

FERNANDEZ PHILLIP M · CIK 0001200465 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,692

Underlying: Class B Common Stock · 179,692 shares

Expires 2029-07-30

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · derivative.exercise_date: One forty-eighth (1/48th) of the shares subject to the option award vested or shall vest on a monthly basis on the tenth day of each month commencing on June 10, 2019, subject to the Reporting Person's continuous service through such vesting date.

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: 0001209191-21-066480 · doc4.xml · derivative · entry 1

FERNANDEZ PHILLIP M · CIK 0001200465 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 179,692 shares

Expires 2029-07-30

F1 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · derivative.exercise_date: One forty-eighth (1/48th) of the shares subject to the option award vested or shall vest on a monthly basis on the tenth day of each month commencing on June 10, 2019, subject to the Reporting Person's continuous service through such vesting date.

F1 · derivative.underlying: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

SEC source: 0001209191-21-066466 · doc4.xml · derivative · entry 27

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,582,083

Underlying: Class A Common Stock · 1,582,083 shares

Expires not disclosed

F6 · 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.

F5 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F6 · 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.

F6 · 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: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 26

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 5,987,707

Underlying: Class A Common Stock · 5,987,707 shares

Expires not disclosed

F6 · 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.

F5 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F6 · 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.

F6 · 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: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 25

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 277,516

Underlying: Class A Common Stock · 277,516 shares

Expires not disclosed

F6 · 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.

F5 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F6 · 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.

F6 · 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: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 24

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 216,939 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 23

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 821,049 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 22

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 0

Underlying: Common Stock · 38,052 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 21

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 157,584 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 20

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 596,400 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 19

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 0

Underlying: Common Stock · 27,640 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 18

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 1,078,944 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 17

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 4,083,488 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 16

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 0

Underlying: Common Stock · 189,264 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 15

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 65,334 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 14

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 247,269 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 13

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 0

Underlying: Common Stock · 11,460 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 12

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 55,466 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 11

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 209,921 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 10

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 0

Underlying: Common Stock · 9,729 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 9

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 7,816 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 8

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

Underlying: Common Stock · 29,580 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · derivative · entry 7

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 0

Underlying: Common Stock · 1,371 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · nonDerivative · entry 6

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

F5 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F5 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · nonDerivative · entry 5

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 0

F5 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F5 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · nonDerivative · entry 4

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 0

F5 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F5 · price: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066466 · doc4.xml · nonDerivative · entry 3

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,582,083

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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F4 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-B, L.P. ("BV XI-B"). The sole general partner of BV XI-B is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-B. 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: 0001209191-21-066466 · doc4.xml · nonDerivative · entry 2

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 5,987,707

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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F3 · ownership.nature: The reported securities are owned directly by Battery Ventures XI-A, L.P. ("BV XI-A"). The sole general partner of BV XI-A is BP XI. BP XI's investment adviser is BMC. The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BV XI-A. 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: 0001209191-21-066466 · doc4.xml · nonDerivative · entry 1

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners XI, LLC

Disclosed balance after: 277,516

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 Series A-1 Preferred Stock-NV, Series A Preferred Stock-NV, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F2 · ownership.nature: The reported securities are owned directly by Battery Investment Partners XI, LLC ("BIP XI"). The sole managing member of BIP XI is Battery Partners XI, LLC("BP XI"). BP XI's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI and may be deemed to share voting and dispositive power over the securities held by BIP XI. 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: 0001209191-21-066472 · doc4.xml · derivative · entry 34

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Ventures Select Fund I, L.P.

Disclosed balance after: 1,141,717

Underlying: Class A Common Stock · 1,100,000 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.

F7 · 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.

F7 · 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.

F7 · 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: The reported securities are owned directly by Battery Ventures Select Fund I, L.P. ("BV Select I"). The sole general partner of BV Select I is Battery Partners Select Fund I, L.P. ("BP Select I"). The general partner of BP Select I is BP Select I GP. BP Select I GP's investment adviser is BMC. The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over the securities held by BV Select I. 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: 0001209191-21-066472 · doc4.xml · derivative · entry 33

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Ventures Select Fund I, L.P.

Disclosed balance after: 2,241,717

Underlying: Class A Common Stock · 2,241,717 shares

Expires not disclosed

F7 · 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.

F6 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F7 · 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.

F7 · 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: The reported securities are owned directly by Battery Ventures Select Fund I, L.P. ("BV Select I"). The sole general partner of BV Select I is Battery Partners Select Fund I, L.P. ("BP Select I"). The general partner of BP Select I is BP Select I GP. BP Select I GP's investment adviser is BMC. The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over the securities held by BV Select I. 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: 0001209191-21-066472 · doc4.xml · derivative · entry 32

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Investment Partners Select Fund I, L.P.

Disclosed balance after: 221,708

Underlying: Class A Common Stock · 221,708 shares

Expires not disclosed

F7 · 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.

F6 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F7 · 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.

F7 · 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: The reported securities are owned directly by Battery Investment Partners Select Fund I, L.P. ("BIP Select I"). The sole general partner of BIP Select I is Battery Partners Select Fund I GP, LLC ("BP Select I GP"). BP Select I GP's investment adviser is BMC. The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over the securities held by BIP Select I. 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: 0001209191-21-066472 · doc4.xml · derivative · entry 31

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 1,348,927

Underlying: Class A Common Stock · 1,348,927 shares

Expires not disclosed

F7 · 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.

F6 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F7 · 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.

F7 · 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: The reported securities are owned directly 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. BP XI SF's investment adviser is BMC. The Reporting Person is a managing member of BP XI SF and may be deemed to share voting and dispositive power over the securities held by BV XI-B SF. 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: 0001209191-21-066472 · doc4.xml · derivative · entry 30

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

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

Disclosed balance after: 6,220,863

Underlying: Class A Common Stock · 6,220,863 shares

Expires not disclosed

F7 · 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.

F6 · kind: Immediately prior to the closing of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F7 · 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.

F7 · 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: The reported securities are owned directly 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"). BP XI SF's investment adviser is Battery Management Corp. ("BMC"). The Reporting Person is a managing member of BP XI SF and may be deemed to share voting and dispositive power over the securities held by BV XI-A SF. 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: 0001209191-21-066472 · doc4.xml · derivative · entry 29

Agrawal Neeraj · CIK 0001532809 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Battery Ventures Select Fund I, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 110,945 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 Series A-1 Preferred Stock-NV, Series A Preferred Stock, Series A Preferred Stock-NV, Series B Preferred Stock, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.exercise_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock, Series A Preferred Stock-NV, Series B Preferred Stock, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F1 · derivative.expiration_date: Each share of Series A-1 Preferred Stock-NV, Series A Preferred Stock, Series A Preferred Stock-NV, Series B Preferred Stock, Series B Preferred Stock-NV, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into shares of Common Stock on a 1:1 basis prior to being reclassified into shares of Series B Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering.

F5 · ownership.nature: The reported securities are owned directly by Battery Ventures Select Fund I, L.P. ("BV Select I"). The sole general partner of BV Select I is Battery Partners Select Fund I, L.P. ("BP Select I"). The general partner of BP Select I is BP Select I GP. BP Select I GP's investment adviser is BMC. The Reporting Person is a managing member of BP Select I GP and may be deemed to share voting and dispositive power over the securities held by BV Select I. 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.