BLND

SEC source: 0001209191-22-006379 · doc4.xml · derivative · entry 1

Burnham Ciara · CIK 0001528010 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,604

Underlying: Class A Common Stock · 4,604 shares

Expires 2032-01-30

F1 · derivative.exercise_date: The shares subject to this option were fully vested on the grant date.

SEC source: 0001209191-22-003128 · doc4.xml · nonDerivative · entry 1

Chan Jonathan Y. · CIK 0001869090 · Principal Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,124

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: This sale price represents the weighted average sale price of the shares sold ranging from $6.80 to $7.08 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001209191-22-000765 · doc4.xml · nonDerivative · entry 1

Sumner Crystal · CIK 0001870987 · Head of Legal, Compliance,Risk

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 495,014

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest on December 20, 2022, subject to the Reporting Person continuing to be a Service Provider through such date.

F2 · balance_after: Certain of these shares are represented by previously reported RSUs.

SEC source: 0001209191-22-000760 · doc4.xml · nonDerivative · entry 1

Greenberg Marc S. · CIK 0001870728 · Head of Finance

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 66,225

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest on December 20, 2022, subject to the Reporting Person continuing to be a Service Provider through such date.

SEC source: 0001209191-22-033518 · doc4.xml · nonDerivative · entry 1

Ghamsari Nima · CIK 0001870974 · Director · Head of Blend

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001209191-21-071001 · doc4.xml · derivative · entry 3

Ghamsari Nima · CIK 0001870974 · Director · Head of Blend

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,133,331

Underlying: Class A Common Stock · 250,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F1 · kind: Shares of Class B Common Stock were exchanged at a 1:1 ratio for shares of Class A Common Stock at the election of the Reporting Person.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

SEC source: 0001209191-21-071001 · doc4.xml · derivative · entry 2

Ghamsari Nima · CIK 0001870974 · Director · Head of Blend

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,383,331

Underlying: Class A Common Stock · 500,000 shares

Expires not disclosed

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

SEC source: 0001209191-21-071001 · doc4.xml · nonDerivative · entry 1

Ghamsari Nima · CIK 0001870974 · Director · Head of Blend

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 250,000

F1 · kind: Shares of Class B Common Stock were exchanged at a 1:1 ratio for shares of Class A Common Stock at the election of the Reporting Person.

SEC source: 0001209191-21-069865 · doc4.xml · nonDerivative · entry 1

Chan Jonathan Y. · CIK 0001869090 · Principal Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,207

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: This sale price represents the weighted average sale price of the shares sold ranging from $7.485 to $7.865 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

SEC source: 0001209191-21-068626 · doc4.xml · nonDerivative · entry 4

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,908

F3 · kind: Represents receipt of shares in the distribution in kind described in footnote (1).

F6 · ownership.direct: Shares are held by Peter Nieh.

SEC source: 0001209191-21-068626 · doc4.xml · nonDerivative · entry 3

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,908

F3 · kind: Represents receipt of shares in the distribution in kind described in footnote (1).

F5 · ownership.direct: Shares are held by Barry Eggers.

SEC source: 0001209191-21-068626 · doc4.xml · nonDerivative · entry 2

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 82,908

F3 · kind: Represents receipt of shares in the distribution in kind described in footnote (1).

F4 · ownership.direct: Shares are held by Ravi Mhatre.

SEC source: 0001209191-21-068626 · doc4.xml · nonDerivative · entry 1

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 14,818,355

F1 · kind: Represents a pro rata, in-kind distribution, and not a purchase or sale of securities, by Lightspeed Venture Partners IX, L.P ("Lightspeed IX") to its general partner and limited partners without additional consideration. The general partner further distributed the shares received in this distribution to its members on a pro rata basis for no consideration.

F2 · ownership.nature: Shares are held by Lightspeed IX. Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Each of Messrs. Eggers, Mhatre, and Nieh disclaims beneficial ownership of the shares held by Lightspeed IX except to the extent of his respective pecuniary interest therein.

SEC source: 0001209191-21-066784 · doc4.xml · nonDerivative · entry 1

Sumner Crystal · CIK 0001870987 · Head of Legal, Compliance,Risk

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 428,789

F1 · kind: Shares sold to cover tax obligations in connection with the vesting of Restricted Stock Units ("RSUs").

F2 · price: This sale price represents the weighted average sale price of the shares sold ranging from $10.4901 to $10.50 per share. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person will provide full information regarding the number of shares sold at each separate price within the range set forth in this Form 4.

F3 · balance_after: Certain of these shares are represented by previously reported RSUs.

SEC source: 0001209191-21-057771 · doc4.xml · nonDerivative · entry 1

Sumner Crystal · CIK 0001870987 · Head of Legal, Compliance,Risk

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 432,346

F1 · shares: Each share is represented by a Restricted Stock Unit ("RSU"). The RSUs will vest in equal quarterly increments over a one year period, subject to the Reporting Person continuing to be a Service Provider through each such date.

SEC source: 0000899243-21-029426 · doc4.xml · derivative · entry 5

Ossa Investments Pte. Ltd. · CIK 0001810133 · 10% owner

Hotham Investments Pte. Ltd. · CIK 0001810114 · 10% owner

Fullerton Management Pte Ltd · CIK 0001379348 · 10% owner

Temasek Holdings (Private) Ltd · CIK 0001021944 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A common stock · 11,875,773 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 · security: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F2 · derivative.exercise_price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F1 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.exercise_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.expiration_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F3 · ownership.direct: The securities reported herein are held of record by Ossa Investments Pte. Ltd. ("Ossa Investments"), which is a direct wholly-owned subsidiary of Hotham Investments Pte. Ltd. ("Hotham"). Hotham is a direct wholly-owned subsidiary of Fullerton Management Pte Ltd ("FMPL"), which in turn is a direct wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek Holdings"). Hotham, FMPL and Temasek Holdings may therefore be deemed to have or share beneficial ownership of the securities held by Ossa Investments.

SEC source: 0000899243-21-029426 · doc4.xml · derivative · entry 4

Ossa Investments Pte. Ltd. · CIK 0001810133 · 10% owner

Hotham Investments Pte. Ltd. · CIK 0001810114 · 10% owner

Fullerton Management Pte Ltd · CIK 0001379348 · 10% owner

Temasek Holdings (Private) Ltd · CIK 0001021944 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,875,773

Underlying: Class A common stock · 11,875,773 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 · security: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F2 · derivative.exercise_price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F1 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.exercise_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.expiration_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F3 · ownership.direct: The securities reported herein are held of record by Ossa Investments Pte. Ltd. ("Ossa Investments"), which is a direct wholly-owned subsidiary of Hotham Investments Pte. Ltd. ("Hotham"). Hotham is a direct wholly-owned subsidiary of Fullerton Management Pte Ltd ("FMPL"), which in turn is a direct wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek Holdings"). Hotham, FMPL and Temasek Holdings may therefore be deemed to have or share beneficial ownership of the securities held by Ossa Investments.

SEC source: 0000899243-21-029426 · doc4.xml · derivative · entry 3

Ossa Investments Pte. Ltd. · CIK 0001810133 · 10% owner

Hotham Investments Pte. Ltd. · CIK 0001810114 · 10% owner

Fullerton Management Pte Ltd · CIK 0001379348 · 10% owner

Temasek Holdings (Private) Ltd · CIK 0001021944 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B common stock · 925,906 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F1 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.exercise_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.expiration_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F3 · ownership.direct: The securities reported herein are held of record by Ossa Investments Pte. Ltd. ("Ossa Investments"), which is a direct wholly-owned subsidiary of Hotham Investments Pte. Ltd. ("Hotham"). Hotham is a direct wholly-owned subsidiary of Fullerton Management Pte Ltd ("FMPL"), which in turn is a direct wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek Holdings"). Hotham, FMPL and Temasek Holdings may therefore be deemed to have or share beneficial ownership of the securities held by Ossa Investments.

SEC source: 0000899243-21-029426 · doc4.xml · derivative · entry 2

Ossa Investments Pte. Ltd. · CIK 0001810133 · 10% owner

Hotham Investments Pte. Ltd. · CIK 0001810114 · 10% owner

Fullerton Management Pte Ltd · CIK 0001379348 · 10% owner

Temasek Holdings (Private) Ltd · CIK 0001021944 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B common stock · 10,949,867 shares

Expires not disclosed

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

F2 · derivative.exercise_price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F1 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.exercise_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · derivative.expiration_date: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F1 · derivative.underlying: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F3 · ownership.direct: The securities reported herein are held of record by Ossa Investments Pte. Ltd. ("Ossa Investments"), which is a direct wholly-owned subsidiary of Hotham Investments Pte. Ltd. ("Hotham"). Hotham is a direct wholly-owned subsidiary of Fullerton Management Pte Ltd ("FMPL"), which in turn is a direct wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek Holdings"). Hotham, FMPL and Temasek Holdings may therefore be deemed to have or share beneficial ownership of the securities held by Ossa Investments.

SEC source: 0000899243-21-029426 · doc4.xml · nonDerivative · entry 1

Ossa Investments Pte. Ltd. · CIK 0001810133 · 10% owner

Hotham Investments Pte. Ltd. · CIK 0001810114 · 10% owner

Fullerton Management Pte Ltd · CIK 0001379348 · 10% owner

Temasek Holdings (Private) Ltd · CIK 0001021944 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,875,773

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 · security: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F1 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock, each share of Class A common stock as then named was reclassified into one share of Class B common stock and each share of Class B common stock as then named was reclassified into one share of Class A common stock. This Form 4 assumes all shares had been renamed as if such reclassification had already occurred.

F2 · kind: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F2 · price: Immediately prior to the completion of the Issuer's initial public offering of Class A common stock on July 20, 2021, each share of preferred stock automatically converted into one share of Class B common stock and thereafter into one share of Class A common stock without payment or further consideration and has no expiration date.

F3 · ownership.direct: The securities reported herein are held of record by Ossa Investments Pte. Ltd. ("Ossa Investments"), which is a direct wholly-owned subsidiary of Hotham Investments Pte. Ltd. ("Hotham"). Hotham is a direct wholly-owned subsidiary of Fullerton Management Pte Ltd ("FMPL"), which in turn is a direct wholly-owned subsidiary of Temasek Holdings (Private) Limited ("Temasek Holdings"). Hotham, FMPL and Temasek Holdings may therefore be deemed to have or share beneficial ownership of the securities held by Ossa Investments.

SEC source: 0001209191-21-047813 · doc4.xml · derivative · entry 4

Ghamsari Nima · CIK 0001870974 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,883,331

Underlying: Class A Common Stock · 6,312,498 shares

Expires not disclosed

F2 · derivative.exercise_price: Immediately prior to the closing of the IPO, the Reporting Person's shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock in a transaction previously approved by the Issuer's board of directors. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F2 · kind: Immediately prior to the closing of the IPO, the Reporting Person's shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock in a transaction previously approved by the Issuer's board of directors. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F2 · derivative.exercise_date: Immediately prior to the closing of the IPO, the Reporting Person's shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock in a transaction previously approved by the Issuer's board of directors. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F2 · derivative.expiration_date: Immediately prior to the closing of the IPO, the Reporting Person's shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock in a transaction previously approved by the Issuer's board of directors. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

SEC source: 0001209191-21-047813 · doc4.xml · derivative · entry 3

Ghamsari Nima · CIK 0001870974 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 345,833 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 Founders Preferred Stock was converted into one share of Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO"), and immediately prior to the closing of the IPO, such shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F1 · kind: Each share of Founders Preferred Stock was converted into one share of Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO"), and immediately prior to the closing of the IPO, such shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F1 · derivative.exercise_date: Each share of Founders Preferred Stock was converted into one share of Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO"), and immediately prior to the closing of the IPO, such shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F1 · derivative.expiration_date: Each share of Founders Preferred Stock was converted into one share of Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO"), and immediately prior to the closing of the IPO, such shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

SEC source: 0001209191-21-047813 · doc4.xml · nonDerivative · entry 2

Ghamsari Nima · CIK 0001870974 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: Immediately prior to the closing of the IPO, the Reporting Person's shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock in a transaction previously approved by the Issuer's board of directors. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F2 · price: Immediately prior to the closing of the IPO, the Reporting Person's shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock in a transaction previously approved by the Issuer's board of directors. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

SEC source: 0001209191-21-047813 · doc4.xml · nonDerivative · entry 1

Ghamsari Nima · CIK 0001870974 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,312,498

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

F1 · kind: Each share of Founders Preferred Stock was converted into one share of Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO"), and immediately prior to the closing of the IPO, such shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

F1 · price: Each share of Founders Preferred Stock was converted into one share of Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO"), and immediately prior to the closing of the IPO, such shares of Class A Common Stock were exchanged at a 1:1 ratio for shares of Class B Common Stock. Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 17

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select III, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 2,261,500 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.exercise_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.expiration_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F3 · ownership.nature: Shares are held by Lightspeed Venture Partners Select III, L.P. ("Lightspeed Select III"). Lightspeed Ultimate General Partner Select III, Ltd ("LUGP Select III") is the general partner of Lightspeed Select III. Barry Eggers, Jeremy Liew, Ravi Mhatre, and Peter Nieh are the directors of LUGP Select III and share voting and dispositive power with respect to the shares held by Lightspeed Select III. LUGP Select III and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select III, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 16

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select III, L.P.

Disclosed balance after: 2,261,500

Underlying: Class A Common Stock · 2,261,500 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F3 · ownership.nature: Shares are held by Lightspeed Venture Partners Select III, L.P. ("Lightspeed Select III"). Lightspeed Ultimate General Partner Select III, Ltd ("LUGP Select III") is the general partner of Lightspeed Select III. Barry Eggers, Jeremy Liew, Ravi Mhatre, and Peter Nieh are the directors of LUGP Select III and share voting and dispositive power with respect to the shares held by Lightspeed Select III. LUGP Select III and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select III, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 15

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select III, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,261,500 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F3 · ownership.nature: Shares are held by Lightspeed Venture Partners Select III, L.P. ("Lightspeed Select III"). Lightspeed Ultimate General Partner Select III, Ltd ("LUGP Select III") is the general partner of Lightspeed Select III. Barry Eggers, Jeremy Liew, Ravi Mhatre, and Peter Nieh are the directors of LUGP Select III and share voting and dispositive power with respect to the shares held by Lightspeed Select III. LUGP Select III and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select III, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 14

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,554,845 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.exercise_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.expiration_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 13

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 4,554,845

Underlying: Class A Common Stock · 4,554,845 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 12

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,684,160 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 11

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,870,685 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 10

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 0

Underlying: Class A Common Stock · 15,871,961 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.exercise_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.expiration_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 9

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 15,871,961

Underlying: Class A Common Stock · 15,871,961 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 8

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,684,160 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 7

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,724,414 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 6

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,856,742 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 5

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 0

Underlying: Class B Common Stock · 7,606,645 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.

F5 · derivative.exercise_price: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series A Preferred Stock, Series B Preferred Stock, Series B-1 Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock was first converted into one share of Class B Common Stock followed by a subsequent conversion into Class A Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · derivative · entry 4

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 0

Underlying: Class A Common Stock · 463,061 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.exercise_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F4 · derivative.expiration_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · nonDerivative · entry 3

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select III, L.P.

Disclosed balance after: 2,261,500

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

F3 · ownership.nature: Shares are held by Lightspeed Venture Partners Select III, L.P. ("Lightspeed Select III"). Lightspeed Ultimate General Partner Select III, Ltd ("LUGP Select III") is the general partner of Lightspeed Select III. Barry Eggers, Jeremy Liew, Ravi Mhatre, and Peter Nieh are the directors of LUGP Select III and share voting and dispositive power with respect to the shares held by Lightspeed Select III. LUGP Select III and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select III, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · nonDerivative · entry 2

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 6,047,382

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

F2 · ownership.nature: Shares are held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select, except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047816 · doc4.xml · nonDerivative · entry 1

Mhatre Ravi · CIK 0001366050 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners IX, L.P

Disclosed balance after: 17,418,355

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

F1 · ownership.nature: Shares are held by Lightspeed Venture Partners IX, L.P ("Lightspeed IX"). Lightspeed General Partner IX, L.P. ("LGP IX"), is the general partner of Lightspeed IX. Lightspeed Ultimate General Partner IX, Ltd. ("LUGP IX") is the general partner of LGP IX. Barry Eggers, Ravi Mhatre, and Peter Nieh are the directors of LUGP IX and share voting and dispositive power with respect to the shares held by Lightspeed IX. Messrs. Eggers, Mhatre, and Nieh disclaim beneficial ownership of the shares held by Lightspeed IX except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 18

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 0 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.

F6 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F6 · derivative.exercise_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F6 · derivative.expiration_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F4 · ownership.nature: Shares are held of record by Greylock 15-A.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 17

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 501,708

Underlying: Class A Common Stock · 501,708 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.

F5 · derivative.exercise_price: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F4 · ownership.nature: Shares are held of record by Greylock 15-A.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 16

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 679 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.

F5 · derivative.exercise_price: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F4 · ownership.nature: Shares are held of record by Greylock 15-A.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 15

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 10,518 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.

F5 · derivative.exercise_price: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F4 · ownership.nature: Shares are held of record by Greylock 15-A.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 14

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 490,511 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.

F5 · derivative.exercise_price: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F4 · ownership.nature: Shares are held of record by Greylock 15-A.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 13

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 0 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.

F6 · derivative.exercise_price: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F6 · derivative.exercise_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F6 · derivative.expiration_date: Each share of Class B Common Stock was converted into one share of Class A Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F3 · ownership.nature: Shares are held of record by Greylock Principals.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 12

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 501,708

Underlying: Class A Common Stock · 501,708 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.

F5 · derivative.exercise_price: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F3 · ownership.nature: Shares are held of record by Greylock Principals.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 11

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 679 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.

F5 · derivative.exercise_price: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F3 · ownership.nature: Shares are held of record by Greylock Principals.

SEC source: 0001209191-21-047814 · doc4.xml · derivative · entry 10

Chen Gerald C. · CIK 0001871516 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 10,518 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.

F5 · derivative.exercise_price: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.exercise_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F5 · derivative.expiration_date: Each share of Series D Preferred Stock, Series E Preferred Stock and Series F Preferred Stock was converted into one share of Class B Common Stock prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2 · ownership.nature: Greylock 15 GP LLC ("Greylock LLC") is the general partner of each of Greylock 15, Greylock 15 Principals Limited Partnership ("Greylock Principals"), and Greylock 15-A Limited Partnership ("Greylock 15-A"). The Reporting Person disclaims beneficial ownership of all securities other than those he owns directly, if any, or by virtue of his indirect pro rata interest, as a managing member of Greylock LLC, in the Class A common stock owned by Greylock 15, Greylock Principals, and/or Greylock 15-A.

F3 · ownership.nature: Shares are held of record by Greylock Principals.