ZIP

SEC source: 0001209191-21-036592 · doc4.xml · derivative · entry 3

Liaw Eric · CIK 0001644264 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 2,183 shares

Expires not disclosed

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

F7 · derivative.exercise_price: The Convertible Promissory Note (the "Convertible Note C") had a principal amount of $17,692.48, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note C automatically converted into 2,183 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F7 · shares: The Convertible Promissory Note (the "Convertible Note C") had a principal amount of $17,692.48, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note C automatically converted into 2,183 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F7 · derivative.exercise_date: The Convertible Promissory Note (the "Convertible Note C") had a principal amount of $17,692.48, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note C automatically converted into 2,183 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F2 · derivative.expiration_date: The maturity date of each of Convertible Note A, Convertible Note B, and Convertible Note C (as defined in the footnotes to this Form 4) was the earlier to occur of (1) June 22, 2023 and (2) an event of default under such Convertible Notes.

F3 · derivative.underlying: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F8 · ownership.nature: Represents securities held by Institutional Venture Partners XV Executive Fund, L.P. ("IVP XV Executive Fund"). Institutional Venture Management XV, LLC is the general partner of IVP XV Executive Fund. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, the Reporting Person, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV Executive Fund. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interests therein, if any.

SEC source: 0001209191-21-036592 · doc4.xml · derivative · entry 2

Liaw Eric · CIK 0001644264 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 410,395 shares

Expires not disclosed

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

F5 · derivative.exercise_price: The Convertible Promissory Note (the "Convertible Note B") had a principal amount of $3,325,557.52, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note B automatically converted into 410,395 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F5 · shares: The Convertible Promissory Note (the "Convertible Note B") had a principal amount of $3,325,557.52, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note B automatically converted into 410,395 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F5 · derivative.exercise_date: The Convertible Promissory Note (the "Convertible Note B") had a principal amount of $3,325,557.52, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note B automatically converted into 410,395 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F2 · derivative.expiration_date: The maturity date of each of Convertible Note A, Convertible Note B, and Convertible Note C (as defined in the footnotes to this Form 4) was the earlier to occur of (1) June 22, 2023 and (2) an event of default under such Convertible Notes.

F3 · derivative.underlying: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · ownership.nature: Represents securities held by Institutional Venture Partners XV, L.P. ("IVP XV"). Institutional Venture Management XV, LLC is the general partner of IVP XV. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, the Reporting Person, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interests therein, if any.

SEC source: 0001209191-21-036592 · doc4.xml · derivative · entry 1

Liaw Eric · CIK 0001644264 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Class B Common Stock · 821,486 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 Convertible Promissory Note (the "Convertible Note A") had a principal amount of $6,656,750.00, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note A automatically converted into 821,486 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F1 · shares: The Convertible Promissory Note (the "Convertible Note A") had a principal amount of $6,656,750.00, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note A automatically converted into 821,486 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F1 · derivative.exercise_date: The Convertible Promissory Note (the "Convertible Note A") had a principal amount of $6,656,750.00, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note A automatically converted into 821,486 shares of Class B Common Stock immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F2 · derivative.expiration_date: The maturity date of each of Convertible Note A, Convertible Note B, and Convertible Note C (as defined in the footnotes to this Form 4) was the earlier to occur of (1) June 22, 2023 and (2) an event of default under such Convertible Notes.

F3 · derivative.underlying: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F4 · ownership.nature: Represents securities held by Institutional Venture Partners XIV, L.P. ("IVP XIV"). Institutional Venture Management XIV, LLC is the general partner of IVP XIV. Todd C. Chaffee, Norman A. Fogelsong, Stephen J. Harrick, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XIV, LLC and share voting and dispositive power over the shares held by IVP XIV. The Reporting Person disclaims beneficial ownership of such shares except to the extent of his pecuniary interests therein, if any.

SEC source: 0001209191-21-036590 · doc4.xml · derivative · entry 4

Hadley Harbor Master Investors (Cayman) II L.P. · CIK 0001703977 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,851,097 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

SEC source: 0001209191-21-036590 · doc4.xml · derivative · entry 3

Hadley Harbor Master Investors (Cayman) II L.P. · CIK 0001703977 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,851,097

Underlying: Class A Common Stock · 1,851,097 shares

Expires not disclosed

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

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

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

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

SEC source: 0001209191-21-036590 · doc4.xml · derivative · entry 2

Hadley Harbor Master Investors (Cayman) II L.P. · CIK 0001703977 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,851,097 shares

Expires not disclosed

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

F3 · derivative.exercise_price: The Convertible Promissory Note (the "Convertible Note") had a principal amount of $15,000,000.00, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note automatically converted into 1,851,097 shares of Class B Common Stock at a conversion price of $8.2909 per share immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F3 · shares: The Convertible Promissory Note (the "Convertible Note") had a principal amount of $15,000,000.00, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note automatically converted into 1,851,097 shares of Class B Common Stock at a conversion price of $8.2909 per share immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F3 · derivative.exercise_date: The Convertible Promissory Note (the "Convertible Note") had a principal amount of $15,000,000.00, and accrued interest at the rate of 2.5% per annum compounded annually. The Convertible Note automatically converted into 1,851,097 shares of Class B Common Stock at a conversion price of $8.2909 per share immediately following the first trading day of the Issuer's Class A Common Stock on the New York Stock Exchange (May 26, 2021).

F4 · derivative.expiration_date: The maturity date of the Convertible Note was the earliest to occur of: (1) June 22, 2023 or (2) an event of default under the Convertible Note.

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

SEC source: 0001209191-21-036590 · doc4.xml · nonDerivative · entry 1

Hadley Harbor Master Investors (Cayman) II L.P. · CIK 0001703977 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,344,705

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

SEC source: 0001209191-22-025092 · doc4a.xml · derivative · entry 3

EBERHARD RYAN · CIK 0001859324 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 102,518 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.

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

F1 · shares: This amended Form 4 is filed solely to correct the number of shares of Class B Common Stock that converted to Class A Common Stock on May 26, 2021, as reported in Form 4 filed on May 28, 2021. All other information reported in the Form 4 remains the same.

F3 · shares: The holder elected to convert the Class B common stock to Class A common stock on a 1-for-1 basis.

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

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

F1 · derivative.underlying_shares: This amended Form 4 is filed solely to correct the number of shares of Class B Common Stock that converted to Class A Common Stock on May 26, 2021, as reported in Form 4 filed on May 28, 2021. All other information reported in the Form 4 remains the same.

SEC source: 0001209191-22-025092 · doc4a.xml · nonDerivative · entry 1

EBERHARD RYAN · CIK 0001859324 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 199,268

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 · shares: This amended Form 4 is filed solely to correct the number of shares of Class B Common Stock that converted to Class A Common Stock on May 26, 2021, as reported in Form 4 filed on May 28, 2021. All other information reported in the Form 4 remains the same.

F1 · balance_after: This amended Form 4 is filed solely to correct the number of shares of Class B Common Stock that converted to Class A Common Stock on May 26, 2021, as reported in Form 4 filed on May 28, 2021. All other information reported in the Form 4 remains the same.

SEC source: 0001209191-22-025095 · doc4a.xml · derivative · entry 4

LEE BRIAN SUNG · CIK 0001859338 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 4,540 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

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

SEC source: 0001209191-22-025095 · doc4a.xml · derivative · entry 3

LEE BRIAN SUNG · CIK 0001859338 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,540

Underlying: Class A Common Stock · 4,540 shares

Expires not disclosed

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

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

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

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

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

SEC source: 0001209191-22-025095 · doc4a.xml · derivative · entry 2

LEE BRIAN SUNG · CIK 0001859338 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 4,540 shares

Expires 2026-06-04

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

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F3 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F4 · derivative.exercise_date: Commencing on April 1, 2019, the RSUs shall vest upon satisfaction of two conditions while the Reporting Person remains an employee or provider of services to the Issuer: (A) a time and service requirement satisfied as to 1/4 of the RSUs on each quarterly vesting date following the vesting commencement date; and (B) a liquidity event requirement satisfied on the earliest to occur of the first trading day following the expiration of the lockup period applicable to an IPO of the Issuer's equity securities pursuant to an effective registration statement, March 15 of the calendar year following the year in which an IPO occurs, or a change in control. The Issuer's Board of Directors has waived the liquidity event requirement condition effective as of the earlier of the first day of trading of the Issuer's Class A Common Stock on the (i) New York Stock Exchange and (ii) March 15, 2022.

SEC source: 0001209191-22-025095 · doc4a.xml · nonDerivative · entry 1

LEE BRIAN SUNG · CIK 0001859338 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,540

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

SEC source: 0001209191-22-025091 · doc4a.xml · derivative · entry 5

DIONELLO RENATA · CIK 0001859378 · Chief People Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,000 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.

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

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

SEC source: 0001209191-22-025091 · doc4a.xml · derivative · entry 4

DIONELLO RENATA · CIK 0001859378 · Chief People Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

Underlying: Class A Common Stock · 3,000 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.

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

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

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

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

SEC source: 0001209191-22-025091 · doc4a.xml · derivative · entry 3

DIONELLO RENATA · CIK 0001859378 · Chief People Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,000 shares

Expires 2031-03-23

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

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F3 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F4 · derivative.exercise_date: The RSUs shall 100% vest upon the earliest to occur of (a) first trading day following the expiration of the lockup period applicable to the initial public offering ("IPO") of the Issuer's equity securities pursuant to an effective registration statement, (b) March 15 of the calendar year following the year in which an IPO occurs or (c) a change of control, provided that the Reporting Person remains an employee or provider of service to the Issuer at such time. The Issuer's Board of Directors has waived the foregoing vesting requirement such that the RSUs shall vest in full effective as of the earlier of (a) the first day of trading of the Issuer's Class A Common Stock on the New York Stock Exchange and (b) March 15, 2022.

SEC source: 0001209191-22-025091 · doc4a.xml · nonDerivative · entry 2

DIONELLO RENATA · CIK 0001859378 · Chief People Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,959

SEC source: 0001209191-22-025091 · doc4a.xml · nonDerivative · entry 1

DIONELLO RENATA · CIK 0001859378 · Chief People Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,000

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

SEC source: 0001209191-22-025093 · doc4a.xml · derivative · entry 4

Herman Cipora · CIK 0001688082 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,550 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

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

SEC source: 0001209191-22-025093 · doc4a.xml · derivative · entry 3

Herman Cipora · CIK 0001688082 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,550

Underlying: Class A Common Stock · 3,550 shares

Expires not disclosed

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

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

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

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

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

SEC source: 0001209191-22-025093 · doc4a.xml · derivative · entry 2

Herman Cipora · CIK 0001688082 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 3,550 shares

Expires 2026-06-04

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

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F3 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F4 · derivative.exercise_date: Commencing on April 1, 2019, the RSUs shall vest upon satisfaction of two conditions while the Reporting Person remains an employee or provider of services to the Issuer: (A) a time and service requirement satisfied as to 1/4 of the RSUs on each quarterly vesting date following the vesting commencement date; and (B) a liquidity event requirement satisfied on the earliest to occur of the first trading day following the expiration of the lockup period applicable to an IPO of the Issuer's equity securities pursuant to an effective registration statement, March 15 of the calendar year following the year in which an IPO occurs, or a change in control. The Issuer's Board of Directors has waived the liquidity event requirement condition effective as of the earlier of the first day of trading of the Issuer's Class A Common Stock on the (i) New York Stock Exchange and (ii) March 15, 2022.

SEC source: 0001209191-22-025093 · doc4a.xml · nonDerivative · entry 1

Herman Cipora · CIK 0001688082 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,550

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

SEC source: 0001209191-22-025094 · doc4a.xml · derivative · entry 4

Irving Blake · CIK 0001492275 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,420 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

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

SEC source: 0001209191-22-025094 · doc4a.xml · derivative · entry 3

Irving Blake · CIK 0001492275 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,420

Underlying: Class A Common Stock · 1,420 shares

Expires not disclosed

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

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

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

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

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

SEC source: 0001209191-22-025094 · doc4a.xml · derivative · entry 2

Irving Blake · CIK 0001492275 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class B Common Stock · 1,420 shares

Expires 2026-06-04

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

F3 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F3 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F4 · derivative.exercise_date: Commencing on April 1, 2019, the RSUs shall vest upon satisfaction of two conditions while the Reporting Person remains an employee or provider of services to the Issuer: (A) a time and service requirement satisfied as to 1/4 of the RSUs on each quarterly vesting date following the vesting commencement date; and (B) a liquidity event requirement satisfied on the earliest to occur of the first trading day following the expiration of the lockup period applicable to an IPO of the Issuer's equity securities pursuant to an effective registration statement, March 15 of the calendar year following the year in which an IPO occurs, or a change in control. The Issuer's Board of Directors has waived the liquidity event requirement condition effective as of the earlier of the first day of trading of the Issuer's Class A Common Stock on the (i) New York Stock Exchange and (ii) March 15, 2022.

SEC source: 0001209191-22-025094 · doc4a.xml · nonDerivative · entry 1

Irving Blake · CIK 0001492275 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,420

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

SEC source: 0001209191-22-025096 · doc4a.xml · derivative · entry 10

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 99,125 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

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

SEC source: 0001209191-22-025096 · doc4a.xml · derivative · entry 9

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,125

Underlying: Class A Common Stock · 99,125 shares

Expires not disclosed

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

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

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

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

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

SEC source: 0001209191-22-025096 · doc4a.xml · derivative · entry 8

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 57,000

Underlying: Class B Common Stock · 15,000 shares

Expires 2026-12-07

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.

F8 · derivative.exercise_date: The stock option is fully vested.

SEC source: 0001209191-22-025096 · doc4a.xml · derivative · entry 7

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,625

Underlying: Class B Common Stock · 14,375 shares

Expires 2027-02-27

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 restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F4 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F7 · derivative.exercise_date: Commencing on February 28, 2021, the RSUs shall vest upon satisfaction of two conditions while the Reporting Person remains an employee or provider of services to the Issuer: (A) a time and service requirement satisfied as to 1/16 of the RSUs on each quarterly vesting date following the vesting commencement date; and (B) a liquidity event requirement satisfied on the earliest to occur of the first trading day following the expiration of the lockup period applicable to an IPO of the Issuer's equity securities pursuant to an effective registration statement, March 15 of the calendar year following the year in which an IPO occurs, or a change in control. The Issuer's Board of Directors has waived the liquidity event requirement condition effective as of the earlier of (i) the first day of trading of the Issuer's Class A Common Stock on the New York Stock Exchange and (ii) March 15, 2022.

SEC source: 0001209191-22-025096 · doc4a.xml · derivative · entry 6

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,750

Underlying: Class B Common Stock · 2,250 shares

Expires 2031-03-23

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 restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F4 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F6 · derivative.exercise_date: Commencing on March 24, 2021, the RSUs shall vest upon satisfaction of two conditions while the Reporting Person remains an employee or provider of services to the Issuer: (A) a time and service requirement satisfied as to 1/16 of the RSUs on each quarterly vesting date following the vesting commencement date; and (B) a liquidity event requirement satisfied on the earliest to occur of the first trading day following the expiration of the lockup period applicable to an IPO of the Issuer's equity securities pursuant to an effective registration statement, March 15 of the calendar year following the year in which an IPO occurs, or a change in control. The Issuer's Board of Directors has waived the Liquidity Event Requirement condition effective as of the earlier of (i) the first day of trading of the Issuer's Class A Common Stock on the New York Stock Exchange and (ii) March 15, 2022.

SEC source: 0001209191-22-025096 · doc4a.xml · derivative · entry 5

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 52,500

Underlying: Class B Common Stock · 67,500 shares

Expires 2026-02-13

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 restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F4 · price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's Class B Common Stock upon settlement.

F5 · derivative.exercise_date: Commencing on February 14, 2020, the RSUs shall vest upon satisfaction of two conditions while the Reporting Person remains an employee or provider of services to the Issuer: (A) a time and service requirement satisfied as to 1/16 of the RSUs on each quarterly vesting date following the vesting commencement date; and (B) a liquidity event requirement satisfied on the earliest to occur of the first trading day following the expiration of the lockup period applicable to an IPO of the Issuer's equity securities pursuant to an effective registration statement, March 15 of the calendar year following the year in which an IPO occurs, or a change in control. The Issuer's Board of Directors has waived the liquidity event requirement condition effective as of the earlier of the first day of trading of the Issuer's Class A Common Stock on the (i) New York Stock Exchange and (ii) March 15, 2022.

SEC source: 0001209191-22-025096 · doc4a.xml · nonDerivative · entry 4

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 48,000

F3 · ownership.nature: The reported shares are held by the Sakamoto Living Trust dated 1/5/15, of which the Reporting Person is trustee and beneficiary.

SEC source: 0001209191-22-025096 · doc4a.xml · nonDerivative · entry 3

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 139,811

SEC source: 0001209191-22-025096 · doc4a.xml · nonDerivative · entry 2

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,811

SEC source: 0001209191-22-025096 · doc4a.xml · nonDerivative · entry 1

SAKAMOTO RYAN T. · CIK 0001859442 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 231,125

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

SEC source: 0001209191-21-035814 · doc4.xml · derivative · entry 5

TRAVERS DAVID · CIK 0001859449 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 842,612 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held indirectly by the Reporting Person into Class A Common Stock.

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

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

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

F4 · ownership.nature: Represents shares held by Basepoint Ventures Opportunity II, LLC, of which the Reporting Person is a managing partner.

SEC source: 0001209191-21-035814 · doc4.xml · derivative · entry 4

TRAVERS DAVID · CIK 0001859449 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Class A Common Stock · 3,797,829 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held indirectly by the Reporting Person into Class A Common Stock.

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

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

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

F3 · ownership.nature: Represents shares held by Basepoint Ventures Opportunity I, LLC, of which the Reporting Person is a managing partner.

SEC source: 0001209191-21-035814 · doc4.xml · nonDerivative · entry 2

TRAVERS DAVID · CIK 0001859449 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 842,612

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: Represents the conversion of Class B Common Stock held indirectly by the Reporting Person into Class A Common Stock.

F4 · ownership.nature: Represents shares held by Basepoint Ventures Opportunity II, LLC, of which the Reporting Person is a managing partner.

SEC source: 0001209191-21-035814 · doc4.xml · nonDerivative · entry 1

TRAVERS DAVID · CIK 0001859449 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,797,829

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: Represents the conversion of Class B Common Stock held indirectly by the Reporting Person into Class A Common Stock.

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

F3 · ownership.nature: Represents shares held by Basepoint Ventures Opportunity I, LLC, of which the Reporting Person is a managing partner.

SEC source: 0001209191-21-035063 · doc4.xml · derivative · entry 6

Institutional Venture Partners XIV, L.P. · CIK 0001550180 · 10% owner

Institutional Venture Partners XV Executive Fund, L.P. · CIK 0001661321 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,479

Underlying: Class A Common Stock · 3,798 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

F5 · ownership.direct: Represents securities held by Institutional Venture Partners XV Executive Fund, L.P. ("IVP XV Executive Fund"). Institutional Venture Management XV, LLC is the general partner of IVP XV Executive Fund. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, Eric Liaw, a director of the Issuer, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV Executive Fund. Such individuals disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein, if any.

SEC source: 0001209191-21-035063 · doc4.xml · derivative · entry 5

Institutional Venture Partners XIV, L.P. · CIK 0001550180 · 10% owner

Institutional Venture Partners XV Executive Fund, L.P. · CIK 0001661321 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,353,425

Underlying: Class A Common Stock · 713,790 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

F4 · ownership.direct: Represents securities held by Institutional Venture Partners XV, L.P. ("IVP XV"). Institutional Venture Management XV, LLC is the general partner of IVP XV. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, Eric Liaw, a director of the Issuer, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV. Such individuals disclaim beneficial ownership of such shares except to the extent of their pecuniary interest therein, if any.

SEC source: 0001209191-21-035063 · doc4.xml · derivative · entry 4

Institutional Venture Partners XIV, L.P. · CIK 0001550180 · 10% owner

Institutional Venture Partners XV Executive Fund, L.P. · CIK 0001661321 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,715,895

Underlying: Class A Common Stock · 1,428,787 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

F3 · ownership.direct: Represents securities held by Institutional Venture Partners XIV, L.P. ("IVP XIV"). Institutional Venture Management XIV, LLC is the general partner of IVP XIV. Todd C. Chaffee, Norman A. Fogelsong, Stephen J. Harrick, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XIV, LLC and share voting and dispositive power over the shares held by IVP XIV. Such individuals disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein, if any.

SEC source: 0001209191-21-035063 · doc4.xml · nonDerivative · entry 3

Institutional Venture Partners XIV, L.P. · CIK 0001550180 · 10% owner

Institutional Venture Partners XV Executive Fund, L.P. · CIK 0001661321 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,495

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

F5 · ownership.direct: Represents securities held by Institutional Venture Partners XV Executive Fund, L.P. ("IVP XV Executive Fund"). Institutional Venture Management XV, LLC is the general partner of IVP XV Executive Fund. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, Eric Liaw, a director of the Issuer, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV Executive Fund. Such individuals disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein, if any.

SEC source: 0001209191-21-035063 · doc4.xml · nonDerivative · entry 2

Institutional Venture Partners XIV, L.P. · CIK 0001550180 · 10% owner

Institutional Venture Partners XV Executive Fund, L.P. · CIK 0001661321 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,784,475

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

F4 · ownership.direct: Represents securities held by Institutional Venture Partners XV, L.P. ("IVP XV"). Institutional Venture Management XV, LLC is the general partner of IVP XV. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, Eric Liaw, a director of the Issuer, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV. Such individuals disclaim beneficial ownership of such shares except to the extent of their pecuniary interest therein, if any.

SEC source: 0001209191-21-035063 · doc4.xml · nonDerivative · entry 1

Institutional Venture Partners XIV, L.P. · CIK 0001550180 · 10% owner

Institutional Venture Partners XV Executive Fund, L.P. · CIK 0001661321 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,571,967

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

F3 · ownership.direct: Represents securities held by Institutional Venture Partners XIV, L.P. ("IVP XIV"). Institutional Venture Management XIV, LLC is the general partner of IVP XIV. Todd C. Chaffee, Norman A. Fogelsong, Stephen J. Harrick, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XIV, LLC and share voting and dispositive power over the shares held by IVP XIV. Such individuals disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein, if any.

SEC source: 0001209191-21-035153 · doc4.xml · derivative · entry 6

Liaw Eric · CIK 0001644264 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 28,479

Underlying: Class A Common Stock · 3,798 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

F5 · ownership.nature: Represents securities held by Institutional Venture Partners XV Executive Fund, L.P. ("IVP XV Executive Fund"). Institutional Venture Management XV, LLC is the general partner of IVP XV Executive Fund. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, the Reporting Person, a director of the Issuer, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV Executive Fund. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-035153 · doc4.xml · derivative · entry 5

Liaw Eric · CIK 0001644264 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 5,353,425

Underlying: Class A Common Stock · 713,790 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

F4 · ownership.nature: Represents securities held by Institutional Venture Partners XV, L.P. ("IVP XV"). Institutional Venture Management XV, LLC is the general partner of IVP XV. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, the Reporting Person, a director of the Issuer, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-035153 · doc4.xml · derivative · entry 4

Liaw Eric · CIK 0001644264 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 10,715,895

Underlying: Class A Common Stock · 1,428,787 shares

Expires not disclosed

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

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

F1 · kind: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

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

F3 · ownership.nature: Represents securities held by Institutional Venture Partners XIV, L.P. ("IVP XIV"). Institutional Venture Management XIV, LLC is the general partner of IVP XIV. Todd C. Chaffee, Norman A. Fogelsong, Stephen J. Harrick, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XIV, LLC and share voting and dispositive power over the shares held by IVP XIV. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.

SEC source: 0001209191-21-035153 · doc4.xml · nonDerivative · entry 3

Liaw Eric · CIK 0001644264 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 9,495

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: Represents the conversion of Class B Common Stock held of record by the Reporting Person into Class A Common Stock.

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

F5 · ownership.nature: Represents securities held by Institutional Venture Partners XV Executive Fund, L.P. ("IVP XV Executive Fund"). Institutional Venture Management XV, LLC is the general partner of IVP XV Executive Fund. Todd C. Chaffee, Somesh Dash, Norman A. Fogelsong, Stephen J. Harrick, the Reporting Person, a director of the Issuer, Jules A. Maltz, J. Sanford Miller and Dennis B. Phelps are the managing directors of Institutional Venture Management XV, LLC and share voting and dispositive power over the shares held by IVP XV Executive Fund. The Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein, if any.