Volpi Michelangelo

SEC source: 0000899243-19-029252 · doc4a.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 71,587

F1 · shares: Represents 135,302 shares sold by Index Venture Associates IV Limited ("Index Venture IV GP"), 51,372 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel" ), 72,260 shares sold by Index Ventures VI (Jersey) LP ("Index Ventures VI"), 23,634 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel") and 19,899 shares sold by Yucca (Jersey) SLP ("Yucca"). Index Venture IV GP is the general partner of Index Ventures IV Parallel and Index Ventures IV (Jersey) LP ("Index Ventures IV"). On December 9, 2019, each of Index Ventures IV and Index Ventures VI distributed to their respective partners for no consideration 656,093 shares (of which 171,404 shares were received by Index Venture IV GP) and 1,358,637 shares (of which 294,067 shares were received by Index Venture Associates VI Limited ("Index Venture VI GP"), the general partner of Index Ventures VI), respectively,

F2 · shares: (Continued from Footnote 1) representing each such partner's pro rata interest in the shares held by Index Ventures IV and Index Ventures VI, respectively. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended. Following these distributions, Index Ventures IV held no shares and Index Ventures VI held 87,599 shares.

F3 · price: These shares were sold in multiple transactions at prices ranging from $62.04 - $63.0275, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · ownership.nature: Represents 135,302 shares sold by Index Venture Associates IV Limited ("Index Venture IV GP"), 51,372 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel" ), 72,260 shares sold by Index Ventures VI (Jersey) LP ("Index Ventures VI"), 23,634 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel") and 19,899 shares sold by Yucca (Jersey) SLP ("Yucca"). Index Venture IV GP is the general partner of Index Ventures IV Parallel and Index Ventures IV (Jersey) LP ("Index Ventures IV"). On December 9, 2019, each of Index Ventures IV and Index Ventures VI distributed to their respective partners for no consideration 656,093 shares (of which 171,404 shares were received by Index Venture IV GP) and 1,358,637 shares (of which 294,067 shares were received by Index Venture Associates VI Limited ("Index Venture VI GP"), the general partner of Index Ventures VI), respectively,

F2 · ownership.nature: (Continued from Footnote 1) representing each such partner's pro rata interest in the shares held by Index Ventures IV and Index Ventures VI, respectively. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended. Following these distributions, Index Ventures IV held no shares and Index Ventures VI held 87,599 shares.

F4 · ownership.nature: Represents 10,905, 15,339, 5,017, 36,102 and 4,224 shares held directly by Index Ventures IV Parallel (and, together with Index Ventures IV, Index Ventures VI and Index Ventures VI Parallel, the "Index Funds"), Index Ventures VI, Index Ventures VI Parallel, Index Venture IV GP, Index Venture VI GP and Yucca (Jersey) SLP ("Yucca"). Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

F7 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-025610 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · shares: Represents shares gifted by The Volpi-Cupal Family Trust. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any.

F1 · ownership.nature: Represents shares gifted by The Volpi-Cupal Family Trust. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0000899243-19-025610 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0000899243-19-024408 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F1 · shares: Represents shares gifted by The Volpi-Cupal Family Trust. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any.

F1 · ownership.nature: Represents shares gifted by The Volpi-Cupal Family Trust. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any.

SEC source: 0000899243-19-024408 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0000899243-19-023702 · doc4.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,217,380

F12 · shares: Represents 11,845 shares sold by Index Venture IV GP, 4,304 shares sold by Index Ventures IV Parallel, 1,980 shares sold by Index Ventures VI Parallel and 1,667 shares sold by Yucca.

F13 · price: These shares were sold in multiple transactions at prices ranging from $95.40 - $96.01, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F12 · ownership.nature: Represents 11,845 shares sold by Index Venture IV GP, 4,304 shares sold by Index Ventures IV Parallel, 1,980 shares sold by Index Ventures VI Parallel and 1,667 shares sold by Yucca.

F14 · ownership.nature: Represents 656,093, 62,277, 1,446,236, 28,651 and 24,123 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel and Yucca.

SEC source: 0000899243-19-023702 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,237,175

F9 · shares: Represents 40,243 shares sold by Index Venture IV GP, 14,621 shares sold by Index Ventures IV Parallel, 6,727 shares sold by Index Ventures VI Parallel and 5,663 shares sold by Yucca.

F10 · price: These shares were sold in multiple transactions at prices ranging from $94.40 - $95.39, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F8 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F9 · ownership.nature: Represents 40,243 shares sold by Index Venture IV GP, 14,621 shares sold by Index Ventures IV Parallel, 6,727 shares sold by Index Ventures VI Parallel and 5,663 shares sold by Yucca.

F10 · ownership.nature: These shares were sold in multiple transactions at prices ranging from $94.40 - $95.39, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F11 · ownership.nature: Represents 656,093, 66,581, 1,446,236, 30,631, 11,845 and 25,790 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel, Index Venture IV GP and Yucca.

SEC source: 0000899243-19-023702 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,304,430

F5 · shares: Represents 1,193 shares sold by Index Venture IV GP, 434 shares sold by Index Ventures IV Parallel, 199 shares sold by Index Ventures VI Parallel and 168 shares sold by Yucca.

F6 · price: These shares were sold in multiple transactions at prices ranging from $95.62 - $96.13, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: Represents 1,193 shares sold by Index Venture IV GP, 434 shares sold by Index Ventures IV Parallel, 199 shares sold by Index Ventures VI Parallel and 168 shares sold by Yucca.

F7 · ownership.nature: Represents 656,093, 81,202, 1,446,236, 37,358, 52,088 and 31,453 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel, Index Venture IV GP and Yucca.

F8 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-023702 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 2,306,424

F1 · shares: Represents 23,834 shares sold by Index Venture Associates IV Limited ("Index Venture IV GP"), 8,659 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel" ), 3,984 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel") and 3,354 shares sold by Yucca (Jersey) SLP ("Yucca"). Index Venture IV GP is the Index Ventures IV Parallel and Index Ventures IV (Jersey) LP ("Index Ventures IV"). On September 12, 2019, each of Index Ventures IV and Index Ventures VI (Jersey) LP ("Index Ventures VI") distributed to their respective partners (and in the case of Index Ventures IV, to its general partner),

F2 · shares: (Continued from footnote 1) for no consideration 295,177 shares (of which 77,115 shares were received by Index Venture IV GP) and 611,793 shares representing each such partner's pro rata interest in the shares held by Index Ventures IV and Index Ventures VI, respectively. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F3 · price: These shares were sold in multiple transactions at prices ranging from $94.47 - $95.43, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · ownership.nature: Represents 23,834 shares sold by Index Venture Associates IV Limited ("Index Venture IV GP"), 8,659 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel" ), 3,984 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel") and 3,354 shares sold by Yucca (Jersey) SLP ("Yucca"). Index Venture IV GP is the Index Ventures IV Parallel and Index Ventures IV (Jersey) LP ("Index Ventures IV"). On September 12, 2019, each of Index Ventures IV and Index Ventures VI (Jersey) LP ("Index Ventures VI") distributed to their respective partners (and in the case of Index Ventures IV, to its general partner),

F2 · ownership.nature: (Continued from footnote 1) for no consideration 295,177 shares (of which 77,115 shares were received by Index Venture IV GP) and 611,793 shares representing each such partner's pro rata interest in the shares held by Index Ventures IV and Index Ventures VI, respectively. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F4 · ownership.nature: Represents 656,093, 81,636, 1,446,236, 37,557, 53,281 and 31,621 shares held directly by Index Ventures IV, Index Ventures IV Parallel and, together with Index Ventures IV, Index Ventures VI and Index Ventures VI Parallel, the "Index Funds"), Index Ventures VI, Index Ventures VI Parallel, Index Venture IV GP and Yucca (Jersey) SLP ("Yucca"). Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

F8 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · nonDerivative · entry 6

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.64 - $16.00 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: The securities are held directly by Yucca (Jersey) SLP ("Yucca"). The general partner of Yucca is Yucca Associates Limited ("YAL").

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.64 - $16.00 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: The securities are held directly by Index Ventures Growth II Parallel Entrepreneur Fund (Jersey), L.P. ("Parallel"). Associates is the general partner of Parallel.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $15.64 - $16.00 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · balance_after: On September 11, 2019, IVG II distributed for no consideration, 1,389,780 shares of Class A Common Stock of the Issuer, to its partners, representing each such partner's pro rata interest in such shares held by IVG II. The aforementioned distribution was made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: The securities are held by Index Ventures Growth II (Jersey), L.P. ("IVG II"). Index Venture Growth Associates II Limited ("Associates") is the general partner of IVG II.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023458 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,176,110

F7 · shares: Represents 9,352 shares sold by Index Ventures IV, 888 shares sold by Index Ventures IV Parallel and 344 shares sold by Yucca.

F8 · price: These shares were sold in multiple transactions at prices ranging from $90.16 - $90.85, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F9 · ownership.nature: Represents 951,270, 90,295, 2,058,029, 41,541 and 34,975 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel and Yucca.

SEC source: 0000899243-19-023458 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,186,694

F3 · shares: Represents 20,693 shares sold by Index Ventures IV, 1,964 shares sold by Index Ventures IV Parallel and 761 shares sold by Yucca.

F4 · price: These shares were sold in multiple transactions at prices ranging from $89.14 - $90.135, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F6 · ownership.nature: Represents 960,622, 91,183, 2,058,029, 41,541 and 35,319 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel and Yucca.

SEC source: 0000899243-19-023475 · doc4.xml · derivative · entry 11

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 17,852 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: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.exercise_date: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.expiration_date: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.underlying: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F6 · ownership.nature: The securities are held directly by Yucca (Jersey) SLP ("Yucca"). The general partner of Yucca is Yucca Associates Limited ("YAL").

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · derivative · entry 10

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,148 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: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.exercise_date: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.expiration_date: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.underlying: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F5 · ownership.nature: The securities are held directly by Index Ventures Growth II Parallel Entrepreneur Fund (Jersey), L.P. ("Parallel"). Associates is the general partner of Parallel.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · derivative · entry 9

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 1,405,157 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: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.exercise_date: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.expiration_date: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · derivative.underlying: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F2 · ownership.nature: The securities are held by Index Ventures Growth II (Jersey), L.P. ("IVG II"). Index Venture Growth Associates II Limited ("Associates") is the general partner of IVG II.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · nonDerivative · entry 5

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 17,852

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

F1 · shares: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · price: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · balance_after: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F6 · ownership.nature: The securities are held directly by Yucca (Jersey) SLP ("Yucca"). The general partner of Yucca is Yucca Associates Limited ("YAL").

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,148

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

F1 · shares: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · price: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · balance_after: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F5 · ownership.nature: The securities are held directly by Index Ventures Growth II Parallel Entrepreneur Fund (Jersey), L.P. ("Parallel"). Associates is the general partner of Parallel.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023475 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,405,157

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

F1 · shares: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · price: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F1 · balance_after: At the request of the holder, on September 10, 2019, each such share of the Issuer's Class B Common Stock converted into one (1) share of the Issuer's Class A Common Stock.

F2 · ownership.nature: The securities are held by Index Ventures Growth II (Jersey), L.P. ("IVG II"). Index Venture Growth Associates II Limited ("Associates") is the general partner of IVG II.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-023458 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,210,112

F1 · shares: Represents 65,000 shares sold by Index Ventures VI (Jersey) LP ("Index Ventures VI") and 1,312 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel").

F2 · ownership.nature: Represents 981,315, 93,147, 2,058,029, 41,541 and 36,080 shares held directly by Index Ventures IV (Jersey) LP ("Index Ventures IV"), Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel" and, together with Index Ventures IV, Index Ventures VI and Index Ventures VI Parallel, the "Index Funds"), Index Ventures VI, Index Ventures VI Parallel and Yucca (Jersey) SLP ("Yucca"). Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

F5 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-022984 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,276,424

F3 · kind: Represents 172,142 shares sold by Index Ventures IV GP, the general partner of Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel"), 62,544 shares sold by Index Ventures IV Parallel, 28,775 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel") and 24,227 shares sold by Yucca (Jersey) SLP ("Yucca").

F3 · shares: Represents 172,142 shares sold by Index Ventures IV GP, the general partner of Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel"), 62,544 shares sold by Index Ventures IV Parallel, 28,775 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel") and 24,227 shares sold by Yucca (Jersey) SLP ("Yucca").

F1 · ownership.nature: On September 3, 2019, each of Index Ventures IV (Jersey) LP ("Index Ventures IV") and Index Ventures VI (Jersey) LP ("Index Ventures VI") distributed to their respective partners (and in the case of Index Ventures IV, to its general partner, Index Ventures Associates IV Limited ("Index Ventures IV GP")), for no consideration 658,917 shares (of which 172,142 shares were received by Index Ventures IV GP) and 1,425,537 shares representing each such partner's pro rata interest in the shares held by Index Ventures IV and Index Ventures VI, respectively. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F3 · ownership.nature: Represents 172,142 shares sold by Index Ventures IV GP, the general partner of Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel"), 62,544 shares sold by Index Ventures IV Parallel, 28,775 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel") and 24,227 shares sold by Yucca (Jersey) SLP ("Yucca").

F4 · ownership.nature: Represents 981,315, 93,147, 2,123,029, 42,853, 36,080 and zero shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel and, together with Index Ventures IV, Index Ventures IV Parallel and Index Ventures VI, the "Index Funds"), Yucca and Index Ventures IV GP. Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

SEC source: 0000899243-19-018386 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,476,424

F5 · kind: Represents 21,922 shares sold by Index Ventures IV GP and 2,399 shares sold by Yucca.

F5 · shares: Represents 21,922 shares sold by Index Ventures IV GP and 2,399 shares sold by Yucca.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $73.52 - $73.99. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F7 · ownership.nature: Represents 1,640,232, 155,691, 3,548,566, 71,628, 60,307 and zero shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel, Yucca and Index Ventures IV GP. Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

SEC source: 0000899243-19-018386 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,500,745

F1 · kind: Represents 3,585 shares sold by Index Ventures Associates IV Limited ("Index Ventures IV GP"), the managing general partner of Index Ventures IV (Jersey) LP ("Index Ventures IV") and Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel") and 392 shares sold by Yucca (Jersey) SLP ("Yucca").

F1 · shares: Represents 3,585 shares sold by Index Ventures Associates IV Limited ("Index Ventures IV GP"), the managing general partner of Index Ventures IV (Jersey) LP ("Index Ventures IV") and Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel") and 392 shares sold by Yucca (Jersey) SLP ("Yucca").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $74.90 - $75.09. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Represents 1,640,232, 155,691, 3,548,566, 71,628, 62,706 and 21,922 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI (Jersey) LP ("Index Ventures VI"), Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel" and, together with Index Ventures IV, Index Ventures IV Parallel and Index Ventures VI, the "Index Funds"), Yucca and Index Ventures IV GP. Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

F4 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-017928 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,504,716

F1 · kind: Represents 31,354 shares sold by Index Ventures Associates IV Limited ("Index Ventures IV GP"), the managing general partner of Index Ventures IV (Jersey) LP ("Index Ventures IV") and Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel") and 3,430 shares sold by Yucca (Jersey) SLP ("Yucca").

F1 · shares: Represents 31,354 shares sold by Index Ventures Associates IV Limited ("Index Ventures IV GP"), the managing general partner of Index Ventures IV (Jersey) LP ("Index Ventures IV") and Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel") and 3,430 shares sold by Yucca (Jersey) SLP ("Yucca").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.00 - $78.505. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Represents 1,640,232, 155,691, 3,548,566, 71,628, 63,097 and 25,502 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI (Jersey) LP ("Index Ventures VI"), Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel" and, together with Index Ventures IV, Index Ventures IV Parallel and Index Ventures VI, the "Index Funds"), Yucca and Index Ventures IV GP. Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

F4 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-018382 · doc4a.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,504,722

F1 · kind: Represents 31,349 shares sold by Index Ventures Associates IV Limited ("Index Ventures IV GP"), the managing general partner of Index Ventures IV (Jersey) LP ("Index Ventures IV") and Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel") and 3,429 shares sold by Yucca (Jersey) SLP ("Yucca").

F1 · shares: Represents 31,349 shares sold by Index Ventures Associates IV Limited ("Index Ventures IV GP"), the managing general partner of Index Ventures IV (Jersey) LP ("Index Ventures IV") and Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel") and 3,429 shares sold by Yucca (Jersey) SLP ("Yucca").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.00 - $78.525. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: Represents 1,640,232, 155,691, 3,548,566, 71,628, 63,098 and 25,507 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI (Jersey) LP ("Index Ventures VI"), Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel" and, together with Index Ventures IV, Index Ventures IV Parallel and Index Ventures VI, the "Index Funds"), Yucca and Index Ventures IV GP. Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

F4 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-016637 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,539,500

F8 · kind: Represents 12,056 shares sold by Index Ventures IV GP and 1,320 shares sold by Yucca.

F8 · shares: Represents 12,056 shares sold by Index Ventures IV GP and 1,320 shares sold by Yucca.

F9 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $82.39 - $83.30. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F7 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

F10 · ownership.nature: Represents 1,640,232, 155,691, 3,548,566, 71,628, 66,527 and 56,856 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel, Yucca and Index Ventures IV GP.

SEC source: 0000899243-19-016637 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,552,876

F4 · kind: Represents 16,791 shares sold by Index Ventures IV GP and 1,835 shares sold by Yucca.

F4 · shares: Represents 16,791 shares sold by Index Ventures IV GP and 1,835 shares sold by Yucca.

F5 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.39 - $82.39. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: Represents 1,640,232, 155,691, 3,548,566, 71,628, 67,847 and 68,912 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI, Index Ventures VI Parallel, Yucca and Index Ventures IV GP.

F7 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-016637 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 5,571,502

F1 · kind: Represents 541,362 shares sold by Index Ventures IV (Jersey) LP ("Index Ventures IV"), 82,525 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel"), and 2,651 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel").

F1 · shares: Represents 541,362 shares sold by Index Ventures IV (Jersey) LP ("Index Ventures IV"), 82,525 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures IV Parallel"), and 2,651 shares sold by Index Ventures VI Parallel Entrepreneur Fund (Jersey) LP ("Index Ventures VI Parallel").

F2 · ownership.nature: Represents 1,640,232, 155,691, 3,548,566, 71,628, 69,682 and 85,703 shares held directly by Index Ventures IV, Index Ventures IV Parallel, Index Ventures VI (Jersey) LP ("Index Ventures VI" and, together with Index Ventures IV, Index Ventures IV Parallel and Index Ventures VI Parallel, the "Index Funds"), Index Ventures VI Parallel, Yucca (Jersey) SLP ("Yucca") and Index Ventures Associates IV Limited ("Index Ventures IV GP"). Index Ventures IV GP is managing general partner of Index Ventures IV and Index Ventures IV Parallel. Yucca is an Index co-investment vehicle that is contractually required to mirror the Index Funds' investment in the shares.

F3 · ownership.nature: On May 10, 2019, Hexavest S.a.r.l. ("Hexavest") distributed, for no consideration, all 6,571,709 Ordinary Shares held by it to each of its shareholders, consisting of the Index Funds and Yucca, in an amount representing each such shareholder's pro rata interest in the shares held by Hexavest, and on June 10, 2019, each of Index Ventures IV and Index Ventures VI distributed to their respective partners, for no consideration, certain of the shares received by them in the Hexavest distribution in an amount representing each such partner's pro rata interest in the shares held by Index Ventures IV and Index Ventures VI, respectively. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F7 · ownership.nature: Mr. Volpi is co-president of Index Ventures (US) Inc. which provides certain consultancy services to the Index Funds' affiliates. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose.

SEC source: 0000899243-19-014128 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · kind: Represents shares sold by Index Venture Growth Associates I Limited ("IVGA I"), the general partner of Index Ventures Growth I (Jersey) L.P. ("Index I"). The shares were received by IVGA I in a previously reported distribution-in-kind made by Index I in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $10.50 - $10.8093. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F1 · ownership.nature: Represents shares sold by Index Venture Growth Associates I Limited ("IVGA I"), the general partner of Index Ventures Growth I (Jersey) L.P. ("Index I"). The shares were received by IVGA I in a previously reported distribution-in-kind made by Index I in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F3 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel") and Yucca (Jersey) SLP ("Yucca" and, together with Index I and Index I Parallel, the "Index Funds"). IVGA I is the general partner of Index I and Index I Parallel. Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index I and Index I Parallel. Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-009019 · doc4.xml · nonDerivative · entry 7

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.20 - $20.00 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F6 · ownership.nature: The securities are held directly by Yucca (Jersey) SLP ("Yucca"). The general partner of Yucca is Yucca Associates Limited ("YAL").

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · nonDerivative · entry 5

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.20 - $20.00 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: The securities are held directly by Index Ventures Growth II Parallel Entrepreneur Fund (Jersey), L.P. ("Parallel"). Associates is the general partner of Parallel.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $19.20 - $20.00 inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The securities are held by Index Ventures Growth II (Jersey), L.P. ("IVG II"). Index Venture Growth Associates II Limited ("Associates") is the general partner of IVG II.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · derivative · entry 10

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 17,852

Underlying: Class A Common Stock · 8,926 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: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.exercise_date: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.expiration_date: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.underlying: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F6 · ownership.nature: The securities are held directly by Yucca (Jersey) SLP ("Yucca"). The general partner of Yucca is Yucca Associates Limited ("YAL").

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · derivative · entry 9

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,148

Underlying: Class A Common Stock · 2,574 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: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.exercise_date: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.expiration_date: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.underlying: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F5 · ownership.nature: The securities are held directly by Index Ventures Growth II Parallel Entrepreneur Fund (Jersey), L.P. ("Parallel"). Associates is the general partner of Parallel.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · derivative · entry 8

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,405,157

Underlying: Class A Common Stock · 702,581 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: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.exercise_date: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.expiration_date: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · derivative.underlying: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F2 · ownership.nature: The securities are held by Index Ventures Growth II (Jersey), L.P. ("IVG II"). Index Venture Growth Associates II Limited ("Associates") is the general partner of IVG II.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · nonDerivative · entry 6

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,926

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

F1 · shares: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · price: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · balance_after: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F6 · ownership.nature: The securities are held directly by Yucca (Jersey) SLP ("Yucca"). The general partner of Yucca is Yucca Associates Limited ("YAL").

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,574

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

F1 · shares: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · price: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · balance_after: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F5 · ownership.nature: The securities are held directly by Index Ventures Growth II Parallel Entrepreneur Fund (Jersey), L.P. ("Parallel"). Associates is the general partner of Parallel.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,687

F3 · kind: On March 25, 2019, IVG II distributed for no consideration, 694,894 shares of Class A Common Stock of the issuer, to its limited partners, representing each such partner's pro rata interest in such shares held by IVG II. The aforementioned distribution was made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F3 · price: On March 25, 2019, IVG II distributed for no consideration, 694,894 shares of Class A Common Stock of the issuer, to its limited partners, representing each such partner's pro rata interest in such shares held by IVG II. The aforementioned distribution was made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: The securities are held by Index Ventures Growth II (Jersey), L.P. ("IVG II"). Index Venture Growth Associates II Limited ("Associates") is the general partner of IVG II.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-009019 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 702,581

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

F1 · shares: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · price: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F1 · balance_after: At the request of the holder, on March 25, 2019, each such share of the issuer's Class B Common Stock converted into one (1) share of the issuer's Class A Common Stock.

F2 · ownership.nature: The securities are held by Index Ventures Growth II (Jersey), L.P. ("IVG II"). Index Venture Growth Associates II Limited ("Associates") is the general partner of IVG II.

F7 · ownership.nature: The Reporting Person is a partner within the Index Ventures group. Advisors within the Index Ventures group provide advice to IVG II, Parallel and Yucca (collectively, the "Index Funds"). The Reporting Person is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. The Reporting Person disclaims Section 16 beneficial ownership of these securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-006763 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 40,420

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.66 to $10.085. The reporting persons undertake to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F5 · ownership.nature: The shares are held directly by Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index I and Index I Parallel.

F6 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-006763 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 730,602

F3 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $9.66 to $10.085. The reporting persons undertake to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: The shares are held directly by Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F6 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-006763 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 7,313,231

F1 · kind: On March 6, 2019 Index Ventures Growth I (Jersey) L.P. ("Index I") distributed, for no consideration, an aggregate of 1,982,750 shares of common stock of the issuer to its limited partners and to Index Venture Growth Associates I Limited ("IVGA I"), the general partner of Index I, representing each such partner's pro rata interest in the shares held by Index I. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F1 · price: On March 6, 2019 Index Ventures Growth I (Jersey) L.P. ("Index I") distributed, for no consideration, an aggregate of 1,982,750 shares of common stock of the issuer to its limited partners and to Index Venture Growth Associates I Limited ("IVGA I"), the general partner of Index I, representing each such partner's pro rata interest in the shares held by Index I. The aforementioned distributions were made in accordance with the exemptions afforded by Rule 16a-13 and Rule 16a-9 of the Securities Exchange Act of 1934, as amended.

F2 · ownership.nature: The shares are held directly by Index I.

F6 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-005273 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 51,379

F3 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (Jersey) SLP (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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.

F4 · ownership.nature: The shares are held directly by Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index I and Index I Parallel.

SEC source: 0000899243-19-005273 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 928,682

F2 · ownership.nature: The shares are held directly by Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F3 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (Jersey) SLP (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-005273 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,295,981

F1 · ownership.nature: The shares are held directly by Index Ventures Growth I (Jersey), L.P. ("Index I").

F3 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (Jersey) SLP (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-004998 · doc4.xml · nonDerivative · entry 6

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 51,413

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.08. The reporting persons undertake to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (Jersey) SLP (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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.

F5 · ownership.nature: The shares are held directly by Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index I and Index I Parallel.

SEC source: 0000899243-19-004998 · doc4.xml · nonDerivative · entry 5

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 929,303

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.08. The reporting persons undertake to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F3 · ownership.nature: The shares are held directly by Index Ventures Growth I Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F4 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (Jersey) SLP (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-004998 · doc4.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,302,197

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.08. The reporting persons undertake to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The shares are held directly by Index Ventures Growth I (Jersey), L.P. ("Index I").

F4 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (Jersey) SLP (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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: 0000899243-19-004998 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 51,957

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.01 to $11.23. The reporting persons undertake to provide to the issuer, any security holder of the issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

F4 · ownership.nature: Michelangelo Volpi, a member of the Issuer's Board of Directors, is a partner with the Index Ventures group. Advisors within the Index Ventures group provide advice to Index I, Index I Parallel and Yucca (Jersey) SLP (collectively, the "Index Funds"). Mr. Volpi is involved in making recommendations to the Index Funds, but does not hold voting or dispositive power over the shares held by the Index Funds. Mr. Volpi disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein, 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.

F5 · ownership.nature: The shares are held directly by Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index I and Index I Parallel.