DDOG

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 11

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 300

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F13 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $44.67 to $45.60. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F11 · ownership.nature: Shares are held by Offbeat Polymath Trust (formerly, the Agathe Le-Quoc 2018 Trust), of which Reporting Person is Trustee. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 10

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 5,086

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F12 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $43.66 to $44.64. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F11 · ownership.nature: Shares are held by Offbeat Polymath Trust (formerly, the Agathe Le-Quoc 2018 Trust), of which Reporting Person is Trustee. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 9

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 25,000

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

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F11 · ownership.nature: Shares are held by Offbeat Polymath Trust (formerly, the Agathe Le-Quoc 2018 Trust), of which Reporting Person is Trustee. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 8

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F10 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $45.67 to $45.70. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F7 · ownership.nature: Shares are held by the Alexis Le-Quoc 2016 GRAT.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 7

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 400

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F9 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $44.61 to $45.60. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F7 · ownership.nature: Shares are held by the Alexis Le-Quoc 2016 GRAT.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 6

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 5,799

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F8 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $43.61 to $44.60. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F7 · ownership.nature: Shares are held by the Alexis Le-Quoc 2016 GRAT.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 5

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 29,200

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

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F7 · ownership.nature: Shares are held by the Alexis Le-Quoc 2016 GRAT.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 4

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F6 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $45.65 to $45.79. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares are held by the Alexis Le-Quoc Revocable Trust.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 3

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 2,163

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F5 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $44.61 to $45.58. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares are held by the Alexis Le-Quoc Revocable Trust.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 2

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 23,059

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F4 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $43.61 to $44.60. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: Shares are held by the Alexis Le-Quoc Revocable Trust.

SEC source: 0001209191-20-016100 · doc4.xml · nonDerivative · entry 1

Le-Quoc Alexis · CIK 0001783984 · Director · President & CTO

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 112,900

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

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F3 · ownership.nature: Shares are held by the Alexis Le-Quoc Revocable Trust.

SEC source: 0001209191-20-016097 · doc4.xml · derivative · entry 15

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 525,000

Underlying: Class B Common Stock · 25,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F10 · ownership.nature: Shares are held by the Pomel Descendents' 2018 Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016097 · doc4.xml · derivative · entry 14

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 4,387,500

Underlying: Class B Common Stock · 37,500 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F6 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-20-016097 · doc4.xml · derivative · entry 13

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,835,164

Underlying: Class B Common Stock · 109,600 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 into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · derivative.exercise_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F1 · derivative.expiration_date: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 12

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F10 · ownership.nature: Shares are held by the Pomel Descendents' 2018 Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 11

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 100

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F12 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $44.71 to $45.70. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F10 · ownership.nature: Shares are held by the Pomel Descendents' 2018 Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 10

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 4,624

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F11 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $43.67 to $44.66. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F10 · ownership.nature: Shares are held by the Pomel Descendents' 2018 Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 9

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 25,000

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

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F10 · ownership.nature: Shares are held by the Pomel Descendents' 2018 Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 8

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F9 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $45.67 to $45.77. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 7

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 600

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F8 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $44.67 to $45.62. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 6

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 7,178

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F7 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $43.66 to $44.64. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 5

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 37,500

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

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F6 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 4

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F5 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $45.67 to $45.76. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 3

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,900

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F4 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $44.65 to $45.63. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 2

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 21,902

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F3 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $43.65 to $44.64. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-20-016097 · doc4.xml · nonDerivative · entry 1

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,600

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

F1 · kind: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · kind: Shares sold pursuant to a 10b5-1 plan.

F1 · price: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

SEC source: 0000899243-20-005930 · doc4.xml · nonDerivative · entry 7

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 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

F8 · price: On February 25, 2020, Yucca sold 4,200 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.07 - $45.52. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer (in this case, Index Ventures Growth III (Jersey), L.P. ("Index Growth III", Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel")). Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and Index Venture Associates VI Limited ("IVA VI") is the general partner of Index VI. Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005930 · doc4.xml · nonDerivative · entry 6

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,200

F7 · price: On February 25, 2020, Yucca sold 42,412 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.06 - $45.01. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer (in this case, Index Ventures Growth III (Jersey), L.P. ("Index Growth III", Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel")). Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and Index Venture Associates VI Limited ("IVA VI") is the general partner of Index VI. Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005930 · doc4.xml · nonDerivative · entry 5

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,342

F6 · price: On February 25, 2020, Yucca sold 23,401 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.06 - $44.05. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer (in this case, Index Ventures Growth III (Jersey), L.P. ("Index Growth III", Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel")). Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and Index Venture Associates VI Limited ("IVA VI") is the general partner of Index VI. Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005927 · doc4.xml · nonDerivative · entry 7

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F8 · price: On February 25, 2020, Yucca sold 4,200 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.07 - $45.52. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to the Index funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-005927 · doc4.xml · nonDerivative · entry 6

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 4,200

F7 · price: On February 25, 2020, Yucca sold 42,412 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.06 - $45.01. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to the Index funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-005927 · doc4.xml · nonDerivative · entry 5

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 46,342

F6 · price: On February 25, 2020, Yucca sold 23,401 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.06 - $44.05. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to the Index funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-20-012965 · doc4.xml · nonDerivative · entry 3

Callahan Michael James · CIK 0001784030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,179

F1 · kind: Shares sold pursuant to a 10b5-1 plan.

F4 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $45.40 to $45.55. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-20-012965 · doc4.xml · nonDerivative · entry 2

Callahan Michael James · CIK 0001784030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,379

F1 · kind: Shares sold pursuant to a 10b5-1 plan.

F3 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $44.12 to $44.96. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0001209191-20-012965 · doc4.xml · nonDerivative · entry 1

Callahan Michael James · CIK 0001784030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 38,449

F1 · kind: Shares sold pursuant to a 10b5-1 plan.

F2 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $43.12 to $44.11. The reporting person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

SEC source: 0000899243-20-005930 · doc4.xml · nonDerivative · entry 4

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 69,743

F5 · price: On February 24, 2020, Yucca sold 800 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.29 - $45.33. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer (in this case, Index Ventures Growth III (Jersey), L.P. ("Index Growth III", Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel")). Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and Index Venture Associates VI Limited ("IVA VI") is the general partner of Index VI. Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005930 · doc4.xml · nonDerivative · entry 3

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 70,543

F4 · price: On February 24, 2020, Yucca sold 63,765 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.29 - $45.27. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer (in this case, Index Ventures Growth III (Jersey), L.P. ("Index Growth III", Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel")). Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and Index Venture Associates VI Limited ("IVA VI") is the general partner of Index VI. Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005930 · doc4.xml · nonDerivative · entry 2

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,308

F3 · price: On February 24, 2020, Yucca sold 3,500 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.18 - $44.15. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer (in this case, Index Ventures Growth III (Jersey), L.P. ("Index Growth III", Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel")). Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and Index Venture Associates VI Limited ("IVA VI") is the general partner of Index VI. Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005930 · doc4.xml · nonDerivative · entry 1

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,808

F1 · price: On February 24, 2020, Yucca (Jersey) SLP ("Yucca") sold 700 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.50 - $43.00. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer (in this case, Index Ventures Growth III (Jersey), L.P. ("Index Growth III", Index Ventures VI (Jersey), L.P. ("Index VI") and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel")). Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and Index Venture Associates VI Limited ("IVA VI") is the general partner of Index VI. Each of IVGA III and IVA VI disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005927 · doc4.xml · nonDerivative · entry 4

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 69,743

F5 · price: On February 24, 2020, Yucca sold 800 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.29 - $45.33. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to the Index funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-005927 · doc4.xml · nonDerivative · entry 3

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 70,543

F4 · price: On February 24, 2020, Yucca sold 63,765 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.29 - $45.27. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to the Index funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-005927 · doc4.xml · nonDerivative · entry 2

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 134,308

F3 · price: On February 24, 2020, Yucca sold 3,500 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.18 - $44.15. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to the Index funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-005927 · doc4.xml · nonDerivative · entry 1

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 137,808

F1 · price: On February 24, 2020, Yucca (Jersey) SLP ("Yucca") sold 700 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.50 - $43.00. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held by Yucca. Yucca is the administrator of the Index co-investment vehicles that are contractually required to mirror the relevant Index fund's investment in the Issuer. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to the Index funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-005472 · doc4.xml · nonDerivative · entry 4

Index Ventures VI (Jersey) LP · CIK 0001754862 · 10% owner

Index Ventures Growth III (Jersey), L.P. · CIK 0001638260 · 10% owner

Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP · CIK 0001754871 · 10% owner

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 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

F6 · kind: On February 20, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") distributed in-kind, without consideration, 157,104 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, 39,276 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · price: On February 20, 2020, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") distributed in-kind, without consideration, 157,104 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, 39,276 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

SEC source: 0000899243-20-005472 · doc4.xml · nonDerivative · entry 3

Index Ventures VI (Jersey) LP · CIK 0001754862 · 10% owner

Index Ventures Growth III (Jersey), L.P. · CIK 0001638260 · 10% owner

Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP · CIK 0001754871 · 10% owner

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1

F4 · kind: On February 20, 2020, Index Ventures VI (Jersey), L.P. ("Index VI") distributed in-kind, without consideration, 3,891,573 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited ("IVA VI"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 936,131 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · price: On February 20, 2020, Index Ventures VI (Jersey), L.P. ("Index VI") distributed in-kind, without consideration, 3,891,573 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited ("IVA VI"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 936,131 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F5 · ownership.direct: The shares are held by Index VI. IVA VI is the general partner of Index VI and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005472 · doc4.xml · nonDerivative · entry 2

Index Ventures VI (Jersey) LP · CIK 0001754862 · 10% owner

Index Ventures Growth III (Jersey), L.P. · CIK 0001638260 · 10% owner

Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP · CIK 0001754871 · 10% owner

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 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

F3 · kind: On February 20, 2020, Index Growth III distributed in-kind, without consideration, 970,916 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · price: On February 20, 2020, Index Growth III distributed in-kind, without consideration, 970,916 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.direct: The shares are held by Index Growth III. Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.

SEC source: 0000899243-20-005471 · doc4.xml · nonDerivative · entry 4

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F6 · kind: On February 20, 2020, Index VI Parallel distributed in-kind, without consideration, 157,104 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, 39,276 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F6 · price: On February 20, 2020, Index VI Parallel distributed in-kind, without consideration, 157,104 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, IVA VI, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, 39,276 shares of Class A Common Stock received in the Index VI Parallel distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F7 · ownership.nature: The shares held by Index VI Parallel. The Reporting Person disclaims Section 16 beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed on admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0000899243-20-005471 · doc4.xml · nonDerivative · entry 3

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1

F4 · kind: On February 20, 2020, Index VI distributed in-kind, without consideration, 3,891,573 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited ("IVA VI"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 936,131 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F4 · price: On February 20, 2020, Index VI distributed in-kind, without consideration, 3,891,573 shares of Class A Common Stock pro-rata to its partners, including its limited partners and its general partner, Index Venture Associates VI Limited ("IVA VI"), in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended. On the same date, IVA VI distributed in-kind, without consideration, the 936,131 shares of Class A Common Stock received in the Index VI distribution pro-rata to its shareholders, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F5 · ownership.nature: The shares are held by Index VI. The Reporting Person disclaims Section 16 beneficial ownership of such shares except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0000899243-20-005471 · doc4.xml · nonDerivative · entry 2

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · kind: On February 20, 2020, Index Growth III distributed in-kind, without consideration, 970,916 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F3 · price: On February 20, 2020, Index Growth III distributed in-kind, without consideration, 970,916 shares of Class A Common Stock pro-rata to its limited partners, in accordance with the exemption under Rule 16a-9(a) and Rule 16a-13 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: The shares are held by Index Growth III. Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III. The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to each of Index Growth III, Index Ventures VI (Jersey) L.P. ("Index VI"), and Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel" and together with Index Growth III and Index VI, the "Funds"). The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-20-005472 · doc4.xml · nonDerivative · entry 1

Index Ventures VI (Jersey) LP · CIK 0001754862 · 10% owner

Index Ventures Growth III (Jersey), L.P. · CIK 0001638260 · 10% owner

Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP · CIK 0001754871 · 10% owner

Yucca (Jersey) SLP · CIK 0001591294 · 10% owner

Index Venture Growth Associates III Ltd · CIK 0001785453 · 10% owner

Index Venture Associates VI Ltd · CIK 0001755035 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 970,916

F1 · price: On February 19, 2020, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") sold 215,000 shares of the Issuer's Class A Common Stock. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.85 - $47.60. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.direct: The shares are held by Index Growth III. Index Venture Growth Associates III Limited ("IVGA III") is the general partner of Index Growth III and disclaims Section 16 beneficial ownership of such shares except to the extent of its pecuniary interest therein, if any, and this report shall not be deemed an admission that such shares are beneficially owned by it for Section 16 or any other purpose.