CRWD

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 14

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2012 L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 79,004 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F8 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London Investors 2012 L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 13

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London III L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 3,479,714 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F7 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London III Associates L.P. which is the general partner of Accel London III L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 12

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 1,295,374 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F4 · ownership.nature: The Reporting Person is a Managing Member of Accel Growth Fund Investors 2013 L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 11

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 874,022 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. The Reporting Person is a Managing Member of Accel Growth Fund II Associates L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 10

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 12,065,478 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F2 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. The Reporting Person is a Managing Member of Accel Growth Fund II Associates L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 9

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2012 L.P.

Disclosed balance after: 125,962

Underlying: Class A common stock · 125,962 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F8 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London Investors 2012 L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 8

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London III L.P.

Disclosed balance after: 5,547,991

Underlying: Class A common stock · 5,547,991 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F7 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London III Associates L.P. which is the general partner of Accel London III L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 7

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund Investors 2016 L.L.C.

Disclosed balance after: 408,716

Underlying: Class A common stock · 391,222 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F6 · ownership.nature: The Reporting Person is a Managing Member of Accel Leaders Fund Investors 2016 L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 6

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund L.P.

Disclosed balance after: 8,554,336

Underlying: Class A common stock · 8,188,199 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F5 · ownership.nature: Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. and has the sole voting and investment power. The Reporting Person is a Managing Member of Accel Leaders Fund Associates L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 5

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 2,009,414

Underlying: Class A common stock · 2,000,686 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F4 · ownership.nature: The Reporting Person is a Managing Member of Accel Growth Fund Investors 2013 L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 4

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 1,355,803

Underlying: Class A common stock · 1,349,914 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. The Reporting Person is a Managing Member of Accel Growth Fund II Associates L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · derivative · entry 3

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II L.P.

Disclosed balance after: 18,716,244

Underlying: Class A common stock · 18,634,953 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F2 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. The Reporting Person is a Managing Member of Accel Growth Fund II Associates L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · nonDerivative · entry 2

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund Investors 2016 L.L.C.

Disclosed balance after: 29,640

F6 · ownership.nature: The Reporting Person is a Managing Member of Accel Leaders Fund Investors 2016 L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008191 · dp108547_4-gandhi.xml · nonDerivative · entry 1

GANDHI SAMEER K · CIK 0001201326 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund L.P.

Disclosed balance after: 620,360

F5 · ownership.nature: Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. and has the sole voting and investment power. The Reporting Person is a Managing Member of Accel Leaders Fund Associates L.L.C. along with Andrew G. Braccia, Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong, who share voting and investment powers over such shares. The Reporting Person and each Managing Member disclaims beneficial ownership except to the extent of his or her pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 31

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund Investors 2016 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 110,805 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F6 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Investors 2016 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 30

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 2,319,127 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F5 · ownership.nature: Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 29

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 55,281 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F4 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund Investors 2013 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 28

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 37,300 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 27

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 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 · 514,903 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F2 · ownership.direct: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 26

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2012 L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 17,552 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.

F11 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F8 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London Investors 2012 L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 25

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London III L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 773,097 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.

F11 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F7 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London III Associates L.P. which is the general partner of Accel London III L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 24

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund Investors 2016 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 280,417 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.

F11 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F6 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Investors 2016 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 23

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 5,869,072 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.

F11 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F5 · ownership.nature: Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 22

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 167,881 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.

F11 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F4 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund Investors 2013 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 21

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 113,274 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.

F11 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 20

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 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 · 1,563,692 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.

F11 · derivative.exercise_price: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.exercise_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F11 · derivative.expiration_date: The Series D Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F2 · ownership.direct: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 19

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2012 L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 29,406 shares

Expires not disclosed

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

F10 · derivative.exercise_price: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F8 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London Investors 2012 L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 18

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London III L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 1,295,180 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.

F10 · derivative.exercise_price: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F7 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London III Associates L.P. which is the general partner of Accel London III L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 17

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 482,150 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.

F10 · derivative.exercise_price: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F4 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund Investors 2013 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 16

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 325,318 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.

F10 · derivative.exercise_price: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 15

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 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 · 4,490,880 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.

F10 · derivative.exercise_price: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.exercise_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F10 · derivative.expiration_date: The Series C Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F2 · ownership.direct: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 14

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2012 L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 79,004 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F8 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London Investors 2012 L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 13

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London III L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 3,479,714 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F7 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London III Associates L.P. which is the general partner of Accel London III L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 12

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 1,295,374 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F4 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund Investors 2013 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 11

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 874,022 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 10

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 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 · 12,065,478 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.

F9 · derivative.exercise_price: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.exercise_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F9 · derivative.expiration_date: The Series B Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F2 · ownership.direct: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 9

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London Investors 2012 L.P.

Disclosed balance after: 125,962

Underlying: Class A common stock · 125,962 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F8 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London Investors 2012 L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 8

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel London III L.P.

Disclosed balance after: 5,547,991

Underlying: Class A common stock · 5,547,991 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F7 · ownership.nature: Accel London III Associates L.L.C. is the general partner of Accel London III Associates L.P. which is the general partner of Accel London III L.P. and has the sole voting and investment power. Jonathan Biggs, Kevin Comolli, Sonali De Rycker, Bruce Golden and Hendrick Nelis are the Managers of Accel London III Associates L.L.C. and share voting and investment powers over such shares. Such Managers and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 7

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund Investors 2016 L.L.C.

Disclosed balance after: 408,716

Underlying: Class A common stock · 391,222 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F6 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Investors 2016 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 6

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund L.P.

Disclosed balance after: 8,554,336

Underlying: Class A common stock · 8,188,199 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F5 · ownership.nature: Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 5

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 2,009,414

Underlying: Class A common stock · 2,000,686 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F4 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund Investors 2013 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 4

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 1,355,803

Underlying: Class A common stock · 1,349,914 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · derivative · entry 3

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,716,244

Underlying: Class A common stock · 18,634,953 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 Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: Each share of Class B common stock is convertible at any time at the option of the Reporting Person into one share of Class A common stock and has no expiration date. All shares of Class B common stock will automatically convert into shares of Class A common stock upon the occurrence of certain specified events.

F2 · ownership.direct: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · nonDerivative · entry 2

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund Investors 2016 L.L.C.

Disclosed balance after: 29,640

F6 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Investors 2016 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008192 · dp108548_4-accel1.xml · nonDerivative · entry 1

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

Accel Growth Fund II Strategic Partners L.P. · CIK 0001527382 · 10% owner

Accel Growth Fund II Associates L.L.C. · CIK 0001531131 · 10% owner

Accel Growth Fund Investors 2013 L.L.C. · CIK 0001611478 · 10% owner

Accel Leaders Fund L.P. · CIK 0001665741 · 10% owner

Accel Leaders Fund Associates L.L.C. · CIK 0001665742 · 10% owner

Accel Leaders Fund Investors 2016 L.L.C. · CIK 0001745434 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund L.P.

Disclosed balance after: 620,360

F5 · ownership.nature: Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008193 · dp108549_4-accel2.xml · derivative · entry 31

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

ACCEL LONDON III LP · CIK 0001453180 · 10% owner

Accel London III Associates L.P. · CIK 0001495005 · 10% owner

Accel London Investors 2012 L.P. · CIK 0001549350 · 10% owner

Accel London III Associates L.L.C. · CIK 0001495004 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund Investors 2016 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 110,805 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F6 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Investors 2016 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008193 · dp108549_4-accel2.xml · derivative · entry 30

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

ACCEL LONDON III LP · CIK 0001453180 · 10% owner

Accel London III Associates L.P. · CIK 0001495005 · 10% owner

Accel London Investors 2012 L.P. · CIK 0001549350 · 10% owner

Accel London III Associates L.L.C. · CIK 0001495004 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Leaders Fund L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 2,319,127 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F5 · ownership.nature: Accel Leaders Fund Associates L.L.C. is the general partner of Accel Leaders Fund L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Leaders Fund Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008193 · dp108549_4-accel2.xml · derivative · entry 29

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

ACCEL LONDON III LP · CIK 0001453180 · 10% owner

Accel London III Associates L.P. · CIK 0001495005 · 10% owner

Accel London Investors 2012 L.P. · CIK 0001549350 · 10% owner

Accel London III Associates L.L.C. · CIK 0001495004 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund Investors 2013 L.L.C.

Disclosed balance after: 0

Underlying: Class B common stock · 55,281 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F4 · ownership.nature: Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund Investors 2013 L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008193 · dp108549_4-accel2.xml · derivative · entry 28

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

ACCEL LONDON III LP · CIK 0001453180 · 10% owner

Accel London III Associates L.P. · CIK 0001495005 · 10% owner

Accel London Investors 2012 L.P. · CIK 0001549350 · 10% owner

Accel London III Associates L.L.C. · CIK 0001495004 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Accel Growth Fund II Strategic Partners L.P.

Disclosed balance after: 0

Underlying: Class B common stock · 37,300 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F3 · ownership.nature: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II Strategic Partners L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.

SEC source: 0000950103-19-008193 · dp108549_4-accel2.xml · derivative · entry 27

Accel Growth Fund II L.P. · CIK 0001522762 · 10% owner

ACCEL LONDON III LP · CIK 0001453180 · 10% owner

Accel London III Associates L.P. · CIK 0001495005 · 10% owner

Accel London Investors 2012 L.P. · CIK 0001549350 · 10% owner

Accel London III Associates L.L.C. · CIK 0001495004 · 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 · 514,903 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.

F12 · derivative.exercise_price: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.exercise_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F12 · derivative.expiration_date: The Series E Redeemable Convertible Preferred Stock converted into Class B common stock, without the payment of additional consideration by the holder, immediately prior to the completion of the issuer's initial public offering on a one for one basis. This stock had no expiration date.

F2 · ownership.direct: Accel Growth Fund II Associates L.L.C. is the general partner of Accel Growth Fund II L.P. and has the sole voting and investment power. Andrew G. Braccia, Sameer K. Gandhi (a director of the Issuer), Ping Li, Tracy L. Sedlock, Ryan J. Sweeney and Richard P. Wong are the Managing Members of Accel Growth Fund II Associates L.L.C. and share voting and investment powers over such shares. Such Managing Members and the Reporting Persons hereunder disclaim beneficial ownership except to the extent of their pecuniary interest therein.