RENT

SEC source: 0000899243-21-042548 · doc4.xml · derivative · entry 4

Tam Sarah K · CIK 0001888484 · Chief Merchant Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Class A Common Stock · 25,000 shares

Expires 2025-03-09

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

F2 · derivative.exercise_date: The option is fully vested and exercisable

SEC source: 0000899243-21-042548 · doc4.xml · derivative · entry 3

Tam Sarah K · CIK 0001888484 · Chief Merchant Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 25,000 shares

Expires 2025-03-09

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

F2 · derivative.exercise_date: The option is fully vested and exercisable

SEC source: 0000899243-21-042548 · doc4.xml · nonDerivative · entry 2

Tam Sarah K · CIK 0001888484 · Chief Merchant Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,735

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

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

SEC source: 0000899243-21-042548 · doc4.xml · nonDerivative · entry 1

Tam Sarah K · CIK 0001888484 · Chief Merchant Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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

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

SEC source: 0000899243-21-042570 · doc4.xml · derivative · entry 16

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 135,406 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · derivative · entry 15

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 558,074 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · derivative · entry 14

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 550,469 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · derivative · entry 13

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 395,193 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · derivative · entry 12

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 370,369 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · derivative · entry 11

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,691,175 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · derivative · entry 10

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 3,992,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 9

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,176,418

F2 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering.

F2 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 8

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F2 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering.

F2 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 7

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,176,418

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 6

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,041,012

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 5

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 7,482,938

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 4

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 6,932,469

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 3

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 6,537,276

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 2

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 6,166,907

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042570 · doc4.xml · nonDerivative · entry 1

Friend Scott · CIK 0001886204 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 4,475,732

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. These shares had no expiration date.

F3 · ownership.nature: Consists of securities held by Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"), BCIP Venture Associates ("BCIP Venture") and BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities").

F4 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") (i) is the ultimate general partner of BCV Fund 2009 and (ii) governs the investment strategy and decision-making process with respect to investments held by each of BCIP Venture and BCIP Venture-B. Mr. Friend is a Managing Director of BCVI. By virtue of the relationships described in this footnote, Mr. Friend may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. Mr. Friend disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · derivative · entry 16

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 135,406 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · derivative · entry 15

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 558,074 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · derivative · entry 14

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 550,469 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · derivative · entry 13

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 395,193 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · derivative · entry 12

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 370,369 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · derivative · entry 11

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 1,691,175 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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · derivative · entry 10

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 3,992,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · price: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.exercise_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F1 · derivative.expiration_date: Each share of Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 9

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,176,418

F2 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering (the "Reclassification").

F2 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering (the "Reclassification").

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 8

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F2 · kind: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering (the "Reclassification").

F2 · price: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class A Common Stock upon the closing of the Issuer's initial public offering (the "Reclassification").

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 7

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,176,418

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 6

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,041,012

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 5

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 7,482,938

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 4

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 6,932,469

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 3

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 6,537,276

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 2

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 6,166,907

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042573 · doc4.xml · nonDerivative · entry 1

BAIN CAPITAL VENTURE INVESTORS, LLC · CIK 0001309469 · 10% owner

Bain Capital Venture Fund 2009, L.P. · CIK 0001512988 · 10% owner

Bain Capital Venture Partners 2009, L.P. · CIK 0001512989 · 10% owner

BCIP Venture Associates · CIK 0001408649 · 10% owner

BCIP VENTURE ASSOCIATES-B · CIK 0001408676 · 10% owner

Salem Enrique T · CIK 0001295402 · 10% owner

Agarwal Ajay · CIK 0001708763 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 4,475,732

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 Seed Series, Series A, Series C, Series D, Series E, Series F and Series G Convertible Preferred Stock automatically converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering (the "Conversion"). These shares had no expiration date.

F3 · ownership.nature: Bain Capital Venture Investors, LLC ("BCVI") is the general partner of Bain Capital Venture Partners 2009, L.P. ("BCV Partners 2009"), which is the general partner of Bain Capital Venture Fund 2009, L.P. ("BCV Fund 2009"). As a result, BCV Partners 2009 may be deemed to share voting and dispositive power with respect to the securities held by BCV Fund 2009. BCV Partners 2009 disclaims beneficial ownership of such securities except to the extent of its pecuniary interest therein.

F4 · ownership.nature: (Continued from footnote 3) In the Conversion, the 3,808,891 shares of Seed Series Convertible Preferred Stock, 1,636,386 shares of Series A Convertible Preferred Stock, 326,711 shares of Series C Convertible Preferred Stock, 348,609 shares of Series D Convertible Preferred Stock, 485,582 shares of Series E Convertible Preferred Stock, 492,291 shares of Series F Convertible Preferred Stock and 119,445 shares of Series G Convertible Preferred Stock held by BCV Fund 2009 automatically converted into an aggregate of 7,217,915 shares of Common Stock. Following the Conversion, BCV Fund 2009 held 7,644,627 shares of Common Stock, which were automatically reclassified into 7,644,627 shares of Class A Common Stock in the Reclassification.

F5 · ownership.nature: In the Conversion, the 151,354 shares of Seed Series Convertible Preferred Stock, 41,336 shares of Series A Convertible Preferred Stock, 40,712 shares of Series C Convertible Preferred Stock, 43,440 shares of Series D Convertible Preferred Stock, 60,508 shares of Series E Convertible Preferred Stock, 61,344 shares of Series F Convertible Preferred Stock and 14,884 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates ("BCIP Venture"), whose managing partner is Boylston Coinvestors, LLC ("Boylston"), automatically converted into an aggregate of 413,578 shares of Common Stock. Following the Conversion, BCIP Venture held 466,750 shares of Common Stock, which were automatically reclassified into 466,750 shares of Class A Common Stock in the Reclassification.

F6 · ownership.nature: In the Conversion, the 31,755 shares of Seed Series Convertible Preferred Stock, 13,453 shares of Series A Convertible Preferred Stock, 2,946 shares of Series C Convertible Preferred Stock, 3,144 shares of Series D Convertible Preferred Stock, 4,379 shares of Series E Convertible Preferred Stock, 4,439 shares of Series F Convertible Preferred Stock and 1,077 shares of Series G Convertible Preferred Stock held by BCIP Venture Associates-B ("BCIP Venture-B" and, together with BCV Fund 2009 and BCIP Venture, the "Bain Capital Venture Entities"), whose managing partner is Boylston, automatically converted into an aggregate of 61,193 shares of Common Stock. Following the Conversion, BCIP Venture-B held 65,041 shares of Common Stock, which were automatically reclassified into 65,041 shares of Class A Common Stock in the Reclassification.

F7 · ownership.nature: The governance, investment strategy and decision-making process with respect to the investments held by the Bain Capital Venture Entities is directed by the Executive Committee of BCVI, which consists of Enrique Salem and Ajay Agarwal. As a result, BCVI and Messrs. Salem and Agarwal may be deemed to share voting and dispositive power with respect to the securities held by the Bain Capital Venture Entities. BCVI and Messrs. Salem and Agarwal disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.

SEC source: 0000899243-21-042551 · doc4.xml · derivative · entry 6

Schembri Cara · CIK 0001887442 · GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 135,700

Underlying: Class A Common Stock · 135,700 shares

Expires 2031-03-24

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

F3 · derivative.exercise_date: The option vests and becomes exercisable as to 25% of the underlying shares on March 1, 2022 and in 36 substantially equal monthly installments thereafter.

SEC source: 0000899243-21-042551 · doc4.xml · derivative · entry 5

Schembri Cara · CIK 0001887442 · GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 135,700 shares

Expires 2031-03-24

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

F3 · derivative.exercise_date: The option vests and becomes exercisable as to 25% of the underlying shares on March 1, 2022 and in 36 substantially equal monthly installments thereafter.

SEC source: 0000899243-21-042551 · doc4.xml · derivative · entry 4

Schembri Cara · CIK 0001887442 · GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,300

Underlying: Class A Common Stock · 110,300 shares

Expires 2029-12-10

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

F2 · derivative.exercise_date: The option vests and becomes exercisable as to 25% of the underlying shares on December 2, 2020 and in 36 substantially equal monthly installments thereafter.

SEC source: 0000899243-21-042551 · doc4.xml · derivative · entry 3

Schembri Cara · CIK 0001887442 · GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 110,300 shares

Expires 2029-12-10

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

F2 · derivative.exercise_date: The option vests and becomes exercisable as to 25% of the underlying shares on December 2, 2020 and in 36 substantially equal monthly installments thereafter.

SEC source: 0000899243-21-042551 · doc4.xml · nonDerivative · entry 2

Schembri Cara · CIK 0001887442 · GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,552

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

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

SEC source: 0000899243-21-042551 · doc4.xml · nonDerivative · entry 1

Schembri Cara · CIK 0001887442 · GC & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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

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

SEC source: 0000899243-21-042553 · doc4.xml · nonDerivative · entry 2

Paltrow Gwyneth · CIK 0001888000 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,041

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

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

SEC source: 0000899243-21-042553 · doc4.xml · nonDerivative · entry 1

Paltrow Gwyneth · CIK 0001888000 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

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

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

SEC source: 0000899243-21-042552 · doc4.xml · derivative · entry 9

KAPLAN BETH J · CIK 0001247154 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,167

Underlying: Class A Common Stock · 55,167 shares

Expires 2025-03-09

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F4 · derivative.exercise_date: The option vests is fully vested and exercisable.

SEC source: 0000899243-21-042552 · doc4.xml · derivative · entry 8

KAPLAN BETH J · CIK 0001247154 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 55,167 shares

Expires 2025-03-09

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F4 · derivative.exercise_date: The option vests is fully vested and exercisable.

SEC source: 0000899243-21-042552 · doc4.xml · derivative · entry 7

KAPLAN BETH J · CIK 0001247154 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 15,212 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: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F1 · price: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F1 · derivative.exercise_date: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F1 · derivative.expiration_date: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F3 · ownership.nature: Held directly by Axcel Partners VIII, LLC. The Reporting Person is the managing member of Axcel Partners LLC, and may be deemed to have voting and dispositive power over the shares held by Axcel Partners VIII, LLC.

SEC source: 0000899243-21-042552 · doc4.xml · derivative · entry 6

KAPLAN BETH J · CIK 0001247154 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 145,701 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: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F1 · price: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F1 · derivative.exercise_date: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F1 · derivative.expiration_date: The shares of the Issuer's preferred stock had no expiration date and were convertible, at the holder's election, into the Issuer's Common Stock at a conversion ratio of 1-to-1. Upon the closing of the Issuer's initial public offering, each share of preferred stock automatically converted into shares of the Issuer's common stock on a one-for-one basis for no additional consideration.

F3 · ownership.nature: Held directly by Axcel Partners VIII, LLC. The Reporting Person is the managing member of Axcel Partners LLC, and may be deemed to have voting and dispositive power over the shares held by Axcel Partners VIII, LLC.

SEC source: 0000899243-21-042552 · doc4.xml · nonDerivative · entry 5

KAPLAN BETH J · CIK 0001247154 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 368,222

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Immediately prior to the completion of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F3 · ownership.nature: Held directly by Axcel Partners VIII, LLC. The Reporting Person is the managing member of Axcel Partners LLC, and may be deemed to have voting and dispositive power over the shares held by Axcel Partners VIII, LLC.

SEC source: 0000899243-21-042552 · doc4.xml · nonDerivative · entry 4

KAPLAN BETH J · CIK 0001247154 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F2 · price: Immediately prior to the completion of the Issuer's initial public offering, each share of Common Stock was reclassified into one share of Class A Common Stock in an exempt transaction pursuant to Rule 16b-7.

F3 · ownership.nature: Held directly by Axcel Partners VIII, LLC. The Reporting Person is the managing member of Axcel Partners LLC, and may be deemed to have voting and dispositive power over the shares held by Axcel Partners VIII, LLC.