DDOG

SEC source: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 16

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 5,300

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F15 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.77 to $102.76. 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.

F13 · 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 15

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 34,516

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F14 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.77 to $101.76. 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.

F13 · 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 14

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 50,000

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.

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.

F13 · 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 13

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 entered into on September 14, 2020.

F12 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.80 to $104.75. 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.

F8 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 12

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 1,700

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F11 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.77 to $103.69. 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.

F8 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 11

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 7,105

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F10 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.77 to $102.75. 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.

F8 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 10

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 46,516

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F9 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.77 to $101.76. 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.

F8 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 9

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 67,400

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.

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.

F8 · ownership.nature: Shares are held by the Olivier Pomel 2018 GRAT.

SEC source: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 8

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163,621

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F7 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $104.74 to $104.93. 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 7

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163,921

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F6 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.72 to $104.43. 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 6

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 174,355

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F5 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.71 to $103.69. 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 5

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,761

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F4 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.70 to $102.69. 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 4

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 367,018

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F3 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.70 to $101.695. 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: 0001209191-21-007379 · doc4.xml · nonDerivative · entry 3

Pomel Olivier · CIK 0001783990 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 411,149

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.

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: 0001209191-21-006146 · doc4.xml · derivative · entry 29

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 1,165,965

Underlying: Class A Common Stock · 2,200 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. 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 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.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. 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 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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.

F21 · ownership.nature: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · derivative · entry 28

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 1,042,500

Underlying: Class A Common Stock · 12,500 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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.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. 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 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · derivative · entry 27

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 310,166

Underlying: Class A Common Stock · 1,000 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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.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. 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 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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.

F9 · ownership.nature: Shares are held by Reporting Person's spouse.

SEC source: 0001209191-21-006146 · doc4.xml · derivative · entry 26

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 559,007

Underlying: Class A Common Stock · 7,500 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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.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. 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 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 25

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F21 · ownership.nature: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 24

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 100

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F25 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.79 to $102.53. 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.

F21 · ownership.nature: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 23

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 700

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F24 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.57 to $101.33. 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.

F21 · ownership.nature: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 22

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 1,100

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F23 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.36 to $100.13. 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.

F21 · ownership.nature: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 21

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 1,700

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F22 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $98.21 to $99.17. 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.

F21 · ownership.nature: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 20

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 2,200

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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 · 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. 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 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.

F21 · ownership.nature: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 19

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F20 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.10 to $103.91. 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 18

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 500

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F19 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.07 to $102.69. 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 17

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 2,819

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F18 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.06 to $102.05. 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 16

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 5,200

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F17 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.05 to $100.79. 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 15

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 7,026

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F16 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.04 to $100.02. 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 14

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 9,210

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F15 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $98.00 to $98.98. 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 13

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 12,500

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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 · 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. 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 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.

F14 · ownership.nature: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 12

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 0

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F13 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.04 to $102.23. 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.

F9 · ownership.nature: Shares are held by Reporting Person's spouse.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 11

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 300

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F12 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.72 to $101.48. 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.

F9 · ownership.nature: Shares are held by Reporting Person's spouse.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 10

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 500

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F11 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.59 to $100.05. 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.

F9 · ownership.nature: Shares are held by Reporting Person's spouse.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 9

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 700

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F10 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $98.23 to $99.01. 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.

F9 · ownership.nature: Shares are held by Reporting Person's spouse.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 8

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By Spouse

Disclosed balance after: 1,000

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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 · 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. 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 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.

F9 · ownership.nature: Shares are held by Reporting Person's spouse.

SEC source: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 7

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,262

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F8 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.20 to $103.845. 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: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 6

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,562

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F7 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.16 to $103.00. 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: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 5

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,162

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F6 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.13 to $102.12. 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: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 4

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,546

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F5 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.08 to $100.805. 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: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 3

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 138,466

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F4 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $99.075 to $100.05. 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: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 2

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 140,546

F2 · kind: Shares sold pursuant to a 10b5-1 plan entered into on September 2, 2020.

F3 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $98.00 to $98.96. 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: 0001209191-21-006146 · doc4.xml · nonDerivative · entry 1

Agarwal Amit · CIK 0001540517 · Chief Product Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 141,762

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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 · 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. 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 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: 0001209191-21-005755 · doc4.xml · derivative · entry 11

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 307,397

Underlying: Class A Common · 300,000 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 · 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. 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 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.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. 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 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 at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 · balance_after: Reflects exempt annuity payment of 11,353 shares from David Obstler 2019 GRAT to Reporting Person on May 15, 2020.

F2 · ownership.nature: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.

SEC source: 0001209191-21-005755 · doc4.xml · nonDerivative · entry 10

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 210,000

F3 · kind: Shares sold pursuant to a 10b5-1 plan entered into on December 10, 2020.

F2 · ownership.nature: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.

SEC source: 0001209191-21-005755 · doc4.xml · nonDerivative · entry 9

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 210,100

F3 · kind: Shares sold pursuant to a 10b5-1 plan entered into on December 10, 2020.

F10 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $110.57 to $111.29. 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.

F2 · ownership.nature: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.

SEC source: 0001209191-21-005755 · doc4.xml · nonDerivative · entry 8

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 215,477

F3 · kind: Shares sold pursuant to a 10b5-1 plan entered into on December 10, 2020.

F9 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $109.56 to $110.53. 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.

F2 · ownership.nature: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.

SEC source: 0001209191-21-005755 · doc4.xml · nonDerivative · entry 7

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 251,650

F3 · kind: Shares sold pursuant to a 10b5-1 plan entered into on December 10, 2020.

F8 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $108.56 to $109.55. 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.

F2 · ownership.nature: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.

SEC source: 0001209191-21-005755 · doc4.xml · nonDerivative · entry 6

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 266,496

F3 · kind: Shares sold pursuant to a 10b5-1 plan entered into on December 10, 2020.

F7 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $107.56 to $108.55. 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.

F2 · ownership.nature: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.

SEC source: 0001209191-21-005755 · doc4.xml · nonDerivative · entry 5

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 274,960

F3 · kind: Shares sold pursuant to a 10b5-1 plan entered into on December 10, 2020.

F6 · price: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $106.55 to $107.54. 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.

F2 · ownership.nature: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.