DDOG

SEC source: 0001209191-19-060230 · doc4.xml · derivative · entry 2

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 945,000

Underlying: Class A Common Stock · 236,250 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.

SEC source: 0001209191-19-060230 · doc4.xml · nonDerivative · entry 1

OBSTLER DAVID M · CIK 0001120741 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 251,250

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 · 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: 0000899243-19-029072 · doc4.xml · derivative · entry 10

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: 559,689

Underlying: Class A Common Stock · 138,508 shares

Expires not disclosed

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

F7 · derivative.exercise_price: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F7 · kind: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F8 · 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 Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel). 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: 0000899243-19-029072 · doc4.xml · derivative · entry 9

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: 628,418

Underlying: Class A Common Stock · 157,104 shares

Expires not disclosed

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

F5 · derivative.exercise_price: On December 10, 2019, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F5 · kind: On December 10, 2019, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F6 · ownership.direct: The shares are held by Index VI Parallel. IVA VI is the general partner of Index VI Parallel 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: 0000899243-19-029072 · doc4.xml · derivative · entry 8

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: 31,132,589

Underlying: Class A Common Stock · 7,783,147 shares

Expires not disclosed

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

F3 · derivative.exercise_price: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F3 · kind: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F4 · 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: 0000899243-19-029072 · doc4.xml · derivative · entry 7

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: 10,353,715

Underlying: Class A Common Stock · 2,495,601 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: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F1 · kind: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

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: 0000899243-19-029072 · doc4.xml · nonDerivative · entry 6

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: 138,508

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

F7 · kind: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F7 · price: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F8 · 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 Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel). 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: 0000899243-19-029072 · doc4.xml · nonDerivative · entry 5

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: 157,104

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

F5 · kind: On December 10, 2019, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F5 · price: On December 10, 2019, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F6 · ownership.direct: The shares are held by Index VI Parallel. IVA VI is the general partner of Index VI Parallel 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: 0000899243-19-029072 · 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: 3,891,574

F3 · kind: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F3 · price: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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 · 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: 0000899243-19-029072 · 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: 7,783,147

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

F3 · kind: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F3 · price: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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 · 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: 0000899243-19-029072 · 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: 1,309,685

F1 · kind: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F1 · price: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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: 0000899243-19-029072 · 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: 2,495,601

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: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F1 · price: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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: 0000899243-19-029106 · doc4.xml · derivative · entry 6

ICONIQ STRATEGIC PARTNERS II, L.P. · CIK 0001619710 · 10% owner

ICONIQ STRATEGIC PARTNERS II-B, L.P. · CIK 0001619682 · 10% owner

ICONIQ Strategic Partners II Co-Invest, L.P., DD Series · CIK 0001665116 · 10% owner

ICONIQ Strategic Partners II GP, L.P. · CIK 0001702932 · 10% owner

ICONIQ Strategic Partners II TT GP, Ltd · CIK 0001702831 · 10% owner

Makan Divesh · CIK 0001688143 · 10% owner

Griffith William J.G. · CIK 0001688124 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,604,521

Underlying: Class A Common Stock · 515,739 shares

Expires not disclosed

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

F5 · derivative.exercise_price: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F5 · kind: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F6 · ownership.direct: The shares are held by ICONIQ II Co-Invest.

F7 · ownership.direct: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.direct: Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029106 · doc4.xml · derivative · entry 5

ICONIQ STRATEGIC PARTNERS II, L.P. · CIK 0001619710 · 10% owner

ICONIQ STRATEGIC PARTNERS II-B, L.P. · CIK 0001619682 · 10% owner

ICONIQ Strategic Partners II Co-Invest, L.P., DD Series · CIK 0001665116 · 10% owner

ICONIQ Strategic Partners II GP, L.P. · CIK 0001702932 · 10% owner

ICONIQ Strategic Partners II TT GP, Ltd · CIK 0001702831 · 10% owner

Makan Divesh · CIK 0001688143 · 10% owner

Griffith William J.G. · CIK 0001688124 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,751,509

Underlying: Class A Common Stock · 1,120,259 shares

Expires not disclosed

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

F3 · derivative.exercise_price: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F3 · kind: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F4 · ownership.direct: The shares are held by ICONIQ II-B.

F7 · ownership.direct: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.direct: Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029106 · doc4.xml · derivative · entry 4

ICONIQ STRATEGIC PARTNERS II, L.P. · CIK 0001619710 · 10% owner

ICONIQ STRATEGIC PARTNERS II-B, L.P. · CIK 0001619682 · 10% owner

ICONIQ Strategic Partners II Co-Invest, L.P., DD Series · CIK 0001665116 · 10% owner

ICONIQ Strategic Partners II GP, L.P. · CIK 0001702932 · 10% owner

ICONIQ Strategic Partners II TT GP, Ltd · CIK 0001702831 · 10% owner

Makan Divesh · CIK 0001688143 · 10% owner

Griffith William J.G. · CIK 0001688124 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,902,325

Underlying: Class A Common Stock · 1,431,099 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: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F1 · kind: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · ownership.direct: The shares are held by ICONIQ II.

F7 · ownership.direct: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.direct: Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029106 · doc4.xml · nonDerivative · entry 3

ICONIQ STRATEGIC PARTNERS II, L.P. · CIK 0001619710 · 10% owner

ICONIQ STRATEGIC PARTNERS II-B, L.P. · CIK 0001619682 · 10% owner

ICONIQ Strategic Partners II Co-Invest, L.P., DD Series · CIK 0001665116 · 10% owner

ICONIQ Strategic Partners II GP, L.P. · CIK 0001702932 · 10% owner

ICONIQ Strategic Partners II TT GP, Ltd · CIK 0001702831 · 10% owner

Makan Divesh · CIK 0001688143 · 10% owner

Griffith William J.G. · CIK 0001688124 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 515,739

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

F5 · kind: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F5 · price: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F6 · ownership.direct: The shares are held by ICONIQ II Co-Invest.

F7 · ownership.direct: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.direct: Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029106 · doc4.xml · nonDerivative · entry 2

ICONIQ STRATEGIC PARTNERS II, L.P. · CIK 0001619710 · 10% owner

ICONIQ STRATEGIC PARTNERS II-B, L.P. · CIK 0001619682 · 10% owner

ICONIQ Strategic Partners II Co-Invest, L.P., DD Series · CIK 0001665116 · 10% owner

ICONIQ Strategic Partners II GP, L.P. · CIK 0001702932 · 10% owner

ICONIQ Strategic Partners II TT GP, Ltd · CIK 0001702831 · 10% owner

Makan Divesh · CIK 0001688143 · 10% owner

Griffith William J.G. · CIK 0001688124 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,120,259

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

F3 · kind: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F3 · price: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F4 · ownership.direct: The shares are held by ICONIQ II-B.

F7 · ownership.direct: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.direct: Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029106 · doc4.xml · nonDerivative · entry 1

ICONIQ STRATEGIC PARTNERS II, L.P. · CIK 0001619710 · 10% owner

ICONIQ STRATEGIC PARTNERS II-B, L.P. · CIK 0001619682 · 10% owner

ICONIQ Strategic Partners II Co-Invest, L.P., DD Series · CIK 0001665116 · 10% owner

ICONIQ Strategic Partners II GP, L.P. · CIK 0001702932 · 10% owner

ICONIQ Strategic Partners II TT GP, Ltd · CIK 0001702831 · 10% owner

Makan Divesh · CIK 0001688143 · 10% owner

Griffith William J.G. · CIK 0001688124 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,431,099

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: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F1 · price: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F2 · ownership.direct: The shares are held by ICONIQ II.

F7 · ownership.direct: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.direct: Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029076 · doc4.xml · derivative · entry 6

Jacobson Matthew · CIK 0001783518 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 3,604,521

Underlying: Class A Common Stock · 515,739 shares

Expires not disclosed

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

F5 · derivative.exercise_price: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F5 · kind: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F6 · ownership.nature: The shares are held by ICONIQ II Co-Invest.

F7 · ownership.nature: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.nature: The Reporting Person is a General Partner and a Managing Director at ICONIQ Capital. Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029076 · doc4.xml · derivative · entry 5

Jacobson Matthew · CIK 0001783518 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,751,509

Underlying: Class A Common Stock · 1,120,259 shares

Expires not disclosed

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

F3 · derivative.exercise_price: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F3 · kind: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F4 · ownership.nature: The shares are held by ICONIQ II-B.

F7 · ownership.nature: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.nature: The Reporting Person is a General Partner and a Managing Director at ICONIQ Capital. Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029076 · doc4.xml · derivative · entry 4

Jacobson Matthew · CIK 0001783518 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,902,325

Underlying: Class A Common Stock · 1,431,099 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: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F1 · kind: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2 · ownership.nature: The shares are held by ICONIQ II.

F7 · ownership.nature: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.nature: The Reporting Person is a General Partner and a Managing Director at ICONIQ Capital. Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029076 · doc4.xml · nonDerivative · entry 3

Jacobson Matthew · CIK 0001783518 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 515,739

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

F5 · kind: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F5 · price: On December 10, 2019, ICONIQ Strategic Partners II Co-Invest, L.P., DD Series ("ICONIQ II Co-Invest") converted in the aggregate 515,739 shares of the Issuer's Class B Common Stock into 515,739 shares of the Issuer's Class A Common Stock.

F6 · ownership.nature: The shares are held by ICONIQ II Co-Invest.

F7 · ownership.nature: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.nature: The Reporting Person is a General Partner and a Managing Director at ICONIQ Capital. Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029076 · doc4.xml · nonDerivative · entry 2

Jacobson Matthew · CIK 0001783518 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,120,259

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

F3 · kind: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F3 · price: On December 10, 2019, ICONIQ Strategic Partners II-B, LP ("ICONIQ II-B") converted in the aggregate 1,120,259 shares of the Issuer's Class B Common Stock into 1,120,259 shares of the Issuer's Class A Common Stock.

F4 · ownership.nature: The shares are held by ICONIQ II-B.

F7 · ownership.nature: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.nature: The Reporting Person is a General Partner and a Managing Director at ICONIQ Capital. Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029076 · doc4.xml · nonDerivative · entry 1

Jacobson Matthew · CIK 0001783518 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,431,099

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: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F1 · price: On December 10, 2019, ICONIQ Strategic Partners II, LP ("ICONIQ II") converted in the aggregate 1,431,099 shares of the Issuer's Class B Common Stock into 1,431,099 shares of the Issuer's Class A Common Stock.

F2 · ownership.nature: The shares are held by ICONIQ II.

F7 · ownership.nature: Iconiq Strategic Partners GP II, L.P. ("ICONIQ GP II") is the sole general partner of each of ICONIQ II, ICONIQ II-B and ICONIQ II Co-Invest. ICONIQ Strategic Partners II TT GP, Ltd. ("ICONIQ Parent GP II") is the sole general partner of ICONIQ GP II. Divesh Makan ("Makan") and William J.G. Griffith ("Griffith") are the sole equity holders and directors of ICONIQ Parent GP II.

F8 · ownership.nature: The Reporting Person is a General Partner and a Managing Director at ICONIQ Capital. Each of ICONIQ GP II, ICONIQ Parent GP II, Makan and Griffith disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), except to the extent of its or his pecuniary interest therein, if any. This report shall not be deemed an admission that any of the Reporting Persons is a beneficial owner of such securities for the purpose of Section 16 of the Exchange Act, or for any other purpose.

SEC source: 0000899243-19-029070 · doc4.xml · derivative · entry 11

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 559,689

Underlying: Class A Common Stock · 138,508 shares

Expires not disclosed

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

F7 · derivative.exercise_price: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F7 · kind: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F8 · 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 Fund's investment in the Issuer (in this case, Index Growth III, Index VI and 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 an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0000899243-19-029070 · doc4.xml · derivative · entry 10

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 628,418

Underlying: Class A Common Stock · 157,104 shares

Expires not disclosed

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

F5 · derivative.exercise_price: On December 10, 2019, Index VI Parallel converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F5 · kind: On December 10, 2019, Index VI Parallel converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F6 · ownership.nature: The shares are held by Index VI Parallel. IVA VI is the general partner of 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 an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0000899243-19-029070 · doc4.xml · derivative · entry 9

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 31,132,589

Underlying: Class A Common Stock · 7,783,147 shares

Expires not disclosed

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

F3 · derivative.exercise_price: On December 10, 2019, Index VI converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F3 · kind: On December 10, 2019, Index VI converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F4 · 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: 0000899243-19-029070 · doc4.xml · derivative · entry 8

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 10,353,715

Underlying: Class A Common Stock · 2,495,601 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: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F1 · kind: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

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: 0000899243-19-029070 · doc4.xml · nonDerivative · entry 6

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 138,508

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

F7 · kind: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F7 · price: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F8 · 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 Fund's investment in the Issuer (in this case, Index Growth III, Index VI and 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 an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0000899243-19-029070 · doc4.xml · nonDerivative · entry 5

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 157,104

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

F5 · kind: On December 10, 2019, Index VI Parallel converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F5 · price: On December 10, 2019, Index VI Parallel converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F6 · ownership.nature: The shares are held by Index VI Parallel. IVA VI is the general partner of 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 an admission that such shares are beneficially owned by him for Section 16 or any other purpose.

SEC source: 0000899243-19-029070 · doc4.xml · nonDerivative · entry 4

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,891,574

F3 · kind: On December 10, 2019, Index VI converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F3 · price: On December 10, 2019, Index VI converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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 · 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: 0000899243-19-029070 · doc4.xml · nonDerivative · entry 3

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 7,783,147

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

F3 · kind: On December 10, 2019, Index VI converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F3 · price: On December 10, 2019, Index VI converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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 · 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: 0000899243-19-029070 · doc4.xml · nonDerivative · entry 2

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,309,685

F1 · kind: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F1 · price: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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: 0000899243-19-029070 · doc4.xml · nonDerivative · entry 1

Shah Shardul · CIK 0001783882 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 2,495,601

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: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F1 · price: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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: 0001209191-19-060233 · doc4.xml · derivative · entry 2

Kopits Laszlo · CIK 0001783569 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 415,997

Underlying: Class A Common Stock · 103,999 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.

SEC source: 0001209191-19-060233 · doc4.xml · nonDerivative · entry 1

Kopits Laszlo · CIK 0001783569 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 103,999

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 · 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: 0001209191-19-060229 · doc4.xml · derivative · entry 4

Callahan Michael James · CIK 0001784030 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 80,000

Underlying: Class A Common Stock · 20,000 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.

F2 · ownership.nature: Shares are held directly by The Michael Callahan Grantor Retained Annuity Trust, of which Reporting Person is Trustee.

SEC source: 0001209191-19-060229 · doc4.xml · derivative · entry 3

Callahan Michael James · CIK 0001784030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 726,085

Underlying: Class A Common Stock · 181,521 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.

SEC source: 0001209191-19-060229 · doc4.xml · nonDerivative · entry 2

Callahan Michael James · CIK 0001784030 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 20,000

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 · 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.

F2 · ownership.nature: Shares are held directly by The Michael Callahan Grantor Retained Annuity Trust, of which Reporting Person is Trustee.

SEC source: 0001209191-19-060229 · doc4.xml · nonDerivative · entry 1

Callahan Michael James · CIK 0001784030 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,179

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 · 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: 0000899243-20-006724 · doc4a.xml · derivative · entry 10

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: 563,459

Underlying: Class A Common Stock · 138,508 shares

Expires not disclosed

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

F7 · derivative.exercise_price: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F7 · kind: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F8 · 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 Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel). 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: 0000899243-20-006724 · doc4a.xml · derivative · entry 9

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: 628,416

Underlying: Class A Common Stock · 157,104 shares

Expires not disclosed

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

F5 · derivative.exercise_price: On December 10, 2019, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F5 · kind: On December 10, 2019, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F6 · ownership.direct: The shares are held by Index VI Parallel. IVA VI is the general partner of Index VI Parallel 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: 0000899243-20-006724 · doc4a.xml · derivative · entry 8

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: 31,132,589

Underlying: Class A Common Stock · 7,783,147 shares

Expires not disclosed

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

F3 · derivative.exercise_price: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F3 · kind: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F4 · ownership.direct: (4) 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: 0000899243-20-006724 · doc4a.xml · derivative · entry 7

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: 10,601,253

Underlying: Class A Common Stock · 2,495,601 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: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F1 · kind: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F9 · 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

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: 0000899243-20-006724 · doc4a.xml · nonDerivative · entry 6

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: 138,508

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

F7 · kind: On December 10, 2019, Yucca (Jersey) SLP ("Yucca") converted in the aggregate 138,508 shares of the Issuer's Class B Common Stock into 138,508 shares of the Issuer's Class A Common Stock.

F8 · 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 Fund's investment in the Issuer (in this case, Index Growth III, Index VI and Index VI Parallel). 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: 0000899243-20-006724 · doc4a.xml · nonDerivative · entry 5

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: 157,104

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

F5 · kind: On December 10, 2019, Index Ventures VI Parallel Entrepreneur Fund (Jersey), L.P. ("Index VI Parallel") converted in the aggregate 157,104 shares of the Issuer's Class B Common Stock into 157,104 shares of the Issuer's Class A Common Stock.

F6 · ownership.direct: The shares are held by Index VI Parallel. IVA VI is the general partner of Index VI Parallel 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: 0000899243-20-006724 · doc4a.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: 3,891,574

F3 · kind: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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 · ownership.direct: (4) 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: 0000899243-20-006724 · doc4a.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: 7,783,147

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

F3 · kind: On December 10, 2019, Index Ventures VI (Jersey), L.P. ("Index VI") converted in the aggregate 7,783,147 shares of the Issuer's Class B Common Stock into 7,783,147 shares of the Issuer's Class A Common Stock. Subsequently on the same date, 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 972,893 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 · ownership.direct: (4) 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: 0000899243-20-006724 · doc4a.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: 1,185,916

F1 · kind: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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: 0000899243-20-006724 · doc4a.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: 2,495,601

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: On December 10, 2019, Index Ventures Growth III (Jersey), L.P. ("Index Growth III") converted in the aggregate 2,495,601 shares of the Issuer's Class B Common Stock into 2,495,601 shares of the Issuer's Class A Common Stock. Subsequently on the same date, Index Growth III distributed in-kind, without consideration, 1,309,685 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.