SONO

SEC source: 0001567619-19-006792 · doc1.xml · nonDerivative · entry 3

GIANNETTO MICHAEL · CIK 0001229872 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

F2 · shares: Represents the aggregate of sales effected on the same day at different prices.

F3 · price: Represents the weighted average sales price per share. The shares sold at prices ranging from $9.80 to $10.04 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.

SEC source: 0001567619-19-006792 · doc1.xml · nonDerivative · entry 2

GIANNETTO MICHAEL · CIK 0001229872 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0001567619-19-006792 · doc1.xml · nonDerivative · entry 1

GIANNETTO MICHAEL · CIK 0001229872 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,000

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

F1 · kind: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.

SEC source: 0000899243-19-006764 · doc4.xml · nonDerivative · entry 3

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 40,420

F2 · 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 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.

F5 · ownership.nature: IVGA I is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-006764 · doc4.xml · nonDerivative · entry 2

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 730,602

F2 · 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.

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

F5 · ownership.nature: IVGA I is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I 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: 0000899243-19-006764 · doc4.xml · nonDerivative · entry 1

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,313,231

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.

F5 · ownership.direct: IVGA I is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I 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: 0000899243-19-005272 · doc4.xml · nonDerivative · entry 3

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 51,379

F2 · 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 Ventures Growth I (Jersey), L.P. ("Index I") and Index I Parallel.

F3 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-005272 · doc4.xml · nonDerivative · entry 2

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 928,682

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

F3 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-005272 · doc4.xml · nonDerivative · entry 1

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,295,981

F3 · ownership.direct: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I 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: 0000899243-19-005000 · doc4.xml · nonDerivative · entry 6

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 51,413

F4 · 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 Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index Ventures Growth I (Jersey), L.P. ("Index I") and Index I Parallel.

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-005000 · doc4.xml · nonDerivative · entry 5

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 929,303

F4 · 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 Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-005000 · doc4.xml · nonDerivative · entry 4

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,302,197

F4 · 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.

F5 · ownership.direct: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I 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: 0000899243-19-005000 · doc4.xml · nonDerivative · entry 3

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

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.

F3 · 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 Ventures Growth I (Jersey), L.P. ("Index I") and Index I Parallel.

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-005000 · doc4.xml · nonDerivative · entry 2

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 939,128

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.

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

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-005000 · doc4.xml · nonDerivative · entry 1

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,400,543

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.

F5 · ownership.direct: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I 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.

SEC source: 0000899243-19-004998 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 939,128

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.

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 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 9,400,543

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.

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: 0000899243-19-004703 · doc4.xml · nonDerivative · entry 6

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 54,119

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.03 to $11.22. 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 Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index Ventures Growth I (Jersey), L.P. ("Index I") and Index I Parallel.

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004703 · doc4.xml · nonDerivative · entry 5

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 978,201

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.03 to $11.22. 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 Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004703 · doc4.xml · nonDerivative · entry 4

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,791,655

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.03 to $11.22. 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.direct: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004702 · doc4.xml · nonDerivative · entry 6

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 54,119

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.03 to $11.22. 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: 0000899243-19-004702 · doc4.xml · nonDerivative · entry 5

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 978,201

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.03 to $11.22. 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: 0000899243-19-004702 · doc4.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 9,791,655

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.03 to $11.22. 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: 0000899243-19-004703 · doc4.xml · nonDerivative · entry 3

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 56,488

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.30. 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 Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index Ventures Growth I (Jersey), L.P. ("Index I") and Index I Parallel.

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004703 · doc4.xml · nonDerivative · entry 2

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,021,027

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.30. 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 Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004703 · doc4.xml · nonDerivative · entry 1

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,220,336

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.30. 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.direct: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004702 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 56,488

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.30. 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: 0000899243-19-004702 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,021,027

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.30. 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: 0000899243-19-004702 · doc4.xml · nonDerivative · entry 1

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 10,220,336

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.00 to $11.30. 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: 0000899243-19-004382 · doc4.xml · nonDerivative · entry 6

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 58,086

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.30 to $11.565. 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 Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index Ventures Growth I (Jersey), L.P. ("Index I") and Index I Parallel.

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004382 · doc4.xml · nonDerivative · entry 5

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,049,910

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.30 to $11.565. 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 Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004382 · doc4.xml · nonDerivative · entry 4

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,509,455

F4 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.30 to $11.565. 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.direct: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004381 · doc4.xml · nonDerivative · entry 6

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 58,086

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.30 to $11.565. 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: 0000899243-19-004381 · doc4.xml · nonDerivative · entry 5

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,049,910

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.30 to $11.565. 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: 0000899243-19-004381 · doc4.xml · nonDerivative · entry 4

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 10,509,455

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.30 to $11.565. 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: 0000899243-19-004382 · doc4.xml · nonDerivative · entry 3

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 59,980

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.50 to $11.64. 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 Yucca (Jersey) SLP ("Yucca"). Yucca is a co-investment vehicle that is contractually required to mirror the investment of Index Ventures Growth I (Jersey), L.P. ("Index I") and Index I Parallel.

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004382 · doc4.xml · nonDerivative · entry 2

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,084,142

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.50 to $11.64. 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 Parallel Entrepreneur Fund (Jersey), L.P. ("Index I Parallel").

F5 · ownership.nature: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004382 · doc4.xml · nonDerivative · entry 1

Index Ventures Growth I (Jersey) L.P. · CIK 0001466950 · 10% owner

Index Venture Growth Associates I Ltd · CIK 0001447961 · 10% owner

Index Ventures Growth I Parallel Entrepreneur Fund (Jersey) L.P. · CIK 0001466948 · 10% owner

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

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,852,111

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.50 to $11.64. 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.direct: Index Venture Growth Associates I Limited ("IVGA I") is the general partner of Index I, and Index I Parallel (together with Index I and Yucca, the "Index Funds"). IVGA I disclaims Section 16 beneficial ownership of the securities held by the Index Funds, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that IVGA I is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-004381 · doc4.xml · nonDerivative · entry 3

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 59,980

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.50 to $11.64. 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: 0000899243-19-004381 · doc4.xml · nonDerivative · entry 2

Volpi Michelangelo · CIK 0001626464 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 1,084,142

F1 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.50 to $11.64. 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.