NERV

SEC source: 0001209191-20-001116 · doc4.xml · derivative · entry 1

Reilly Joseph H. · CIK 0001610499 · SVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,469

Underlying: Common Stock · 41,469 shares

Expires 2029-12-30

F1 · derivative.exercise_date: This option vests 25% on December 31, 2019 and then in quarterly installments over 3 years thereafter.

SEC source: 0001209191-20-001114 · doc4.xml · derivative · entry 1

Race Geoff · CIK 0001610382 · EVP, CFO & CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,432

Underlying: Common Stock · 74,432 shares

Expires 2029-12-30

F1 · derivative.exercise_date: This option vests 25% on December 31, 2019 and then in quarterly installments over 3 years thereafter.

SEC source: 0001209191-20-001107 · doc4.xml · derivative · entry 1

Luthringer Remy · CIK 0001610384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 95,698

Underlying: Common Stock · 95,698 shares

Expires 2029-12-30

F1 · derivative.exercise_date: This option vests 25% on December 31, 2019 and then in quarterly installments over 3 years thereafter.

SEC source: 0001209191-19-060886 · doc4.xml · nonDerivative · entry 2

Ahlholm Frederick W · CIK 0001405279 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,223

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-19-060885 · doc4.xml · nonDerivative · entry 2

Reilly Joseph H. · CIK 0001610499 · SVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,225

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-19-060890 · doc4.xml · nonDerivative · entry 2

Race Geoff · CIK 0001610382 · EVP, CFO & CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 205,044

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-19-060887 · doc4.xml · nonDerivative · entry 2

Luthringer Remy · CIK 0001610384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 49,040

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-19-060886 · doc4.xml · derivative · entry 3

Ahlholm Frederick W · CIK 0001405279 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Common Stock · 5,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

F3 · derivative.expiration_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

SEC source: 0001209191-19-060886 · doc4.xml · nonDerivative · entry 1

Ahlholm Frederick W · CIK 0001405279 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,780

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

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001209191-19-060885 · doc4.xml · derivative · entry 3

Reilly Joseph H. · CIK 0001610499 · SVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,750

Underlying: Common Stock · 8,750 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

F3 · derivative.expiration_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

SEC source: 0001209191-19-060885 · doc4.xml · nonDerivative · entry 1

Reilly Joseph H. · CIK 0001610499 · SVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 28,949

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

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001209191-19-060890 · doc4.xml · derivative · entry 3

Race Geoff · CIK 0001610382 · EVP, CFO & CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

Underlying: Common Stock · 12,500 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

F3 · derivative.expiration_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

SEC source: 0001209191-19-060890 · doc4.xml · nonDerivative · entry 1

Race Geoff · CIK 0001610382 · EVP, CFO & CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 210,870

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

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001209191-19-060887 · doc4.xml · derivative · entry 4

Luthringer Remy · CIK 0001610384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,750

Underlying: Common Stock · 18,750 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

F3 · derivative.expiration_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

SEC source: 0001209191-19-060887 · doc4.xml · nonDerivative · entry 1

Luthringer Remy · CIK 0001610384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 51,452

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

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001209191-19-060350 · doc4.xml · nonDerivative · entry 1

Russell Richard E. · CIK 0001724897 · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 33,770

F1 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-19-039748 · doc4.xml · nonDerivative · entry 1

DOYLE WILLIAM F · CIK 0001194459 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,111

SEC source: 0001209191-19-039271 · doc4.xml · nonDerivative · entry 1

VAN HEEK G JAN · CIK 0001021040 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,333

SEC source: 0001209191-19-039266 · doc4.xml · nonDerivative · entry 1

Kupfer David · CIK 0001642053 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 219,188

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.52 to $5.57, 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 purchased at each separate price within the range set forth in this footnote (1) to this Form 4.

SEC source: 0001209191-19-039270 · doc4.xml · nonDerivative · entry 1

HILLEMAN JERYL L · CIK 0001216628 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,000

SEC source: 0001209191-19-039268 · doc4.xml · nonDerivative · entry 1

HASLER HANS PETER · CIK 0001226286 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

SEC source: 0000899243-19-018204 · doc4.xml · nonDerivative · entry 1

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 3,899,189

F1 · shares: Represents 31,147 shares sold by Index Ventures III (Jersey), L.P. ("Index III Jersey"), 69,365 shares sold by Index Ventures III (Delaware), L.P. ("Index III Delaware"), 1,236 shares sold by Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. ("Index III Parallel" and, together with Index III Jersey and Index III Delaware, the "Index III Funds"), 47,434 shares sold by Index Ventures IV (Jersey) L.P. ("Index IV Jersey"), 4,502 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index IV Parallel" and, together with Index IV Jersey, the "Index IV Funds"), 37,511 shares sold by Index Ventures V (Jersey), L.P. ("Index V Jersey"), 304 shares sold by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index V Parallel" and, together with Index V Jersey, the "Index V Funds") and 2,501 shares sold by Yucca (Jersey) SLP ("Yucca Jersey").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $5.75 to $6.26. 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 · balance_after: Represents 675,863 shares held directly by Index III Jersey, 1,372,944 shares held directly by Index III Delaware, 24,458 shares held directly by Index III Parallel, 938,845 shares held directly by Index IV Jersey, 89,115 shares held directly by Index IV Parallel, 742,447 shares held directly by Index V Jersey, 6,016 shares held directly by Index V Parallel and 49,501 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-017798 · doc4.xml · nonDerivative · entry 2

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,096,189

F5 · shares: Represents 5,818 shares sold by Index III Jersey, 11,823 shares sold by Index III Delaware, 211 shares sold by Index III Parallel, 8,084 shares sold by Index IV Jersey, 768 shares sold by Index IV Parallel, 6,395 shares sold by Index V Jersey, 51 shares sold by Index V Parallel and 425 shares sold by Yucca Jersey.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.25 to $4.60. 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.

F7 · balance_after: Represents 710,010 shares held directly by Index III Jersey, 1,442,309 shares held directly by Index III Delaware, 25,694 shares held directly by Index III Parallel, 986,279 shares held directly by Index IV Jersey, 93,617 shares held directly by Index IV Parallel, 779,958 shares held directly by Index V Jersey, 6,320 shares held directly by Index V Parallel and 52,002 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-017798 · doc4.xml · nonDerivative · entry 1

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,129,764

F1 · shares: Represents 13,389 shares sold by Index Ventures III (Jersey), L.P. ("Index III Jersey"), 27,198 shares sold by Index Ventures III (Delaware), L.P. ("Index III Delaware"), 484 shares sold by Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. ("Index III Parallel" and, together with Index III Jersey and Index III Delaware, the "Index III Funds"), 18,599 shares sold by Index Ventures IV (Jersey) L.P. ("Index IV Jersey"), 1,765 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index IV Parallel" and, together with Index IV Jersey, the "Index IV Funds"), 14,708 shares sold by Index Ventures V (Jersey), L.P. ("Index V Jersey"), 119 shares sold by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index V Parallel" and, together with Index V Jersey, the "Index V Funds") and 981 shares sold by Yucca (Jersey) SLP ("Yucca Jersey").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.31 to $4.555. 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 · balance_after: Represents 715,828 shares held directly by Index III Jersey, 1,454,132 shares held directly by Index III Delaware, 25,905 shares held directly by Index III Parallel, 994,363 shares held directly by Index IV Jersey, 94,385 shares held directly by Index IV Parallel, 786,353 shares held directly by Index V Jersey, 6,371 shares held directly by Index V Parallel and 52,427 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-017418 · doc4.xml · nonDerivative · entry 2

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,207,007

F5 · shares: Represents 8,610 shares sold by Index III Jersey, 17,491 shares sold by Index III Delaware, 311 shares sold by Index III Parallel, 11,961 shares sold by Index IV Jersey, 1,135 shares sold by Index IV Parallel, 9,459 shares sold by Index V Jersey, 77 shares sold by Index V Parallel and 631 shares sold by Yucca Jersey.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.35 to $4.51. 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.

F7 · balance_after: Represents 729,217 shares held directly by Index III Jersey, 1,481,330 shares held directly by Index III Delaware, 26,389 shares held directly by Index III Parallel, 1,012,962 shares held directly by Index IV Jersey, 96,150 shares held directly by Index IV Parallel, 801,061 shares held directly by Index V Jersey, 6,490 shares held directly by Index V Parallel and 53,408 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-017418 · doc4.xml · nonDerivative · entry 1

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,256,682

F1 · shares: Represents 9,749 shares sold by Index Ventures III (Jersey), L.P. ("Index III Jersey"), 19,804 shares sold by Index Ventures III (Delaware), L.P. ("Index III Delaware"), 353 shares sold by Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. ("Index III Parallel" and, together with Index III Jersey and Index III Delaware, the "Index III Funds"), 13,542 shares sold by Index Ventures IV (Jersey) L.P. ("Index IV Jersey"), 1,285 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index IV Parallel" and, together with Index IV Jersey, the "Index IV Funds"), 10,709 shares sold by Index Ventures V (Jersey), L.P. ("Index V Jersey"), 87 shares sold by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index V Parallel" and, together with Index V Jersey, the "Index V Funds") and 714 shares sold by Yucca (Jersey) SLP ("Yucca Jersey").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.365 to $4.55. 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 · balance_after: Represents 737,827 shares held directly by Index III Jersey, 1,498,821 shares held directly by Index III Delaware, 26,700 shares held directly by Index III Parallel, 1,024,923 shares held directly by Index IV Jersey, 97,285 shares held directly by Index IV Parallel, 810,520 shares held directly by Index V Jersey, 6,567 shares held directly by Index V Parallel and 54,039 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-017189 · doc4.xml · nonDerivative · entry 2

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,312,925

F5 · shares: Represents 4,363 shares sold by Index III Jersey, 8,862 shares sold by Index III Delaware, 158 shares sold by Index III Parallel, 6,060 shares sold by Index IV Jersey, 575 shares sold by Index IV Parallel, 4,792 shares sold by Index V Jersey, 39 shares sold by Index V Parallel and 320 shares sold by Yucca Jersey.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.40 to $4.60. 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.

F7 · balance_after: Represents 747,576 shares held directly by Index III Jersey, 1,518,625 shares held directly by Index III Delaware, 27,053 shares held directly by Index III Parallel, 1,038,465 shares held directly by Index IV Jersey, 98,570 shares held directly by Index IV Parallel, 821,229 shares held directly by Index V Jersey, 6,654 shares held directly by Index V Parallel and 54,753 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-017189 · doc4.xml · nonDerivative · entry 1

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,338,094

F1 · shares: Represents 9,238 shares sold by Index Ventures III (Jersey), L.P. ("Index III Jersey"), 18,767 shares sold by Index Ventures III (Delaware), L.P. ("Index III Delaware"), 334 shares sold by Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. ("Index III Parallel" and, together with Index III Jersey and Index III Delaware, the "Index III Funds"), 12,833 shares sold by Index Ventures IV (Jersey) L.P. ("Index IV Jersey"), 1,218 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index IV Parallel" and, together with Index IV Jersey, the "Index IV Funds"), 10,148 shares sold by Index Ventures V (Jersey), L.P. ("Index V Jersey"), 83 shares sold by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index V Parallel" and, together with Index V Jersey, the "Index V Funds") and 677 shares sold by Yucca (Jersey) SLP ("Yucca Jersey").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.46 to $4.595. 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 · balance_after: Represents 751,939 shares held directly by Index III Jersey, 1,527,487 shares held directly by Index III Delaware, 27,211 shares held directly by Index III Parallel, 1,044,525 shares held directly by Index IV Jersey, 99,145 shares held directly by Index IV Parallel, 826,021 shares held directly by Index V Jersey, 6,693 shares held directly by Index V Parallel and 55,073 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-016830 · doc4.xml · nonDerivative · entry 2

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,391,392

F5 · shares: Represents 4,663 shares sold by Index III Jersey, 9,472 shares sold by Index III Delaware, 169 shares sold by Index III Parallel, 6,477 shares sold by Index IV Jersey, 615 shares sold by Index IV Parallel, 5,122 shares sold by Index V Jersey, 41 shares sold by Index V Parallel and 342 shares sold by Yucca Jersey.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.50 to $4.63. 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.

F7 · balance_after: Represents 761,177 shares held directly by Index III Jersey, 1,546,254 shares held directly by Index III Delaware, 27,545 shares held directly by Index III Parallel, 1,057,358 shares held directly by Index IV Jersey, 100,363 shares held directly by Index IV Parallel, 836,169 shares held directly by Index V Jersey, 6,776 shares held directly by Index V Parallel and 55,750 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-036792 · doc4.xml · derivative · entry 1

DOYLE WILLIAM F · CIK 0001194459 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2029-06-11

F1 · derivative.exercise_date: The shares subject to this option vest in four equal quarterly installments at a rate of 1/4 of the total number of shares every three months, with the first 1/4 vesting on the date that is three months following June 12, 2019 and an additional 1/4 every three months thereafter, subject in each case to the continued service of the Reporting Person as a non-employee director as of such vesting date.

SEC source: 0000899243-19-016830 · doc4.xml · nonDerivative · entry 1

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,418,293

F1 · shares: Represents 5,746 shares sold by Index Ventures III (Jersey), L.P. ("Index III Jersey"), 11,672 shares sold by Index Ventures III (Delaware), L.P. ("Index III Delaware"), 208 shares sold by Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. ("Index III Parallel" and, together with Index III Jersey and Index III Delaware, the "Index III Funds"), 7,982 shares sold by Index Ventures IV (Jersey) L.P. ("Index IV Jersey"), 758 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index IV Parallel" and, together with Index IV Jersey, the "Index IV Funds"), 6,312 shares sold by Index Ventures V (Jersey), L.P. ("Index V Jersey"), 51 shares sold by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index V Parallel" and, together with Index V Jersey, the "Index V Funds") and 421 shares sold by Yucca (Jersey) SLP ("Yucca Jersey").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $4.75 to $4.95. 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 · balance_after: Represents 765,840 shares held directly by Index III Jersey, 1,555,726 shares held directly by Index III Delaware, 27,714 shares held directly by Index III Parallel, 1,063,835 shares held directly by Index IV Jersey, 100,978 shares held directly by Index IV Parallel, 841,291 shares held directly by Index V Jersey, 6,817 shares held directly by Index V Parallel and 56,092 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-19-033707 · doc4.xml · derivative · entry 1

VAN HEEK G JAN · CIK 0001021040 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2029-05-30

F1 · derivative.exercise_date: The shares subject to this option vest in four equal quarterly installments at a rate of 1/4 of the total number of shares every three months, with the first 1/4 vesting on the date that is three months following May 31, 2019 and an additional 1/4 every three months thereafter, subject in each case to the continued service of the Reporting Person as a non-employee director as of such vesting date.

SEC source: 0001209191-19-033705 · doc4.xml · derivative · entry 1

Kupfer David · CIK 0001642053 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2029-05-30

F1 · derivative.exercise_date: The shares subject to this option vest in four equal quarterly installments at a rate of 1/4 of the total number of shares every three months, with the first 1/4 vesting on the date that is three months following May 31, 2019 and an additional 1/4 every three months thereafter, subject in each case to the continued service of the Reporting Person as a non-employee director as of such vesting date.

SEC source: 0001209191-19-033706 · doc4.xml · derivative · entry 1

Laghrissi-Thode Fouzia · CIK 0001642015 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2029-05-30

F1 · derivative.exercise_date: The shares subject to this option vest in four equal quarterly installments at a rate of 1/4 of the total number of shares every three months, with the first 1/4 vesting on the date that is three months following May 31, 2019 and an additional 1/4 every three months thereafter, subject in each case to the continued service of the Reporting Person as a non-employee director as of such vesting date.

SEC source: 0001209191-19-033703 · doc4.xml · derivative · entry 1

DOYLE WILLIAM F · CIK 0001194459 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2029-05-30

F1 · derivative.exercise_date: The shares subject to this option vest in four equal quarterly installments at a rate of 1/4 of the total number of shares every three months, with the first 1/4 vesting on the date that is three months following May 31, 2019 and an additional 1/4 every three months thereafter, subject in each case to the continued service of the Reporting Person as a non-employee director as of such vesting date.

SEC source: 0001209191-19-033702 · doc4.xml · derivative · entry 1

HILLEMAN JERYL L · CIK 0001216628 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2029-05-30

F1 · derivative.exercise_date: The shares subject to this option vest in four equal quarterly installments at a rate of 1/4 of the total number of shares every three months, with the first 1/4 vesting on the date that is three months following May 31, 2019 and an additional 1/4 every three months thereafter, subject in each case to the continued service of the Reporting Person as a non-employee director as of such vesting date.

SEC source: 0001209191-19-033704 · doc4.xml · derivative · entry 1

HASLER HANS PETER · CIK 0001226286 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Common Stock · 20,000 shares

Expires 2029-05-30

F1 · derivative.exercise_date: The shares subject to this option vest in four equal quarterly installments at a rate of 1/4 of the total number of shares every three months, with the first 1/4 vesting on the date that is three months following May 31, 2019 and an additional 1/4 every three months thereafter, subject in each case to the continued service of the Reporting Person as a non-employee director as of such vesting date.

SEC source: 0000899243-19-014268 · doc4.xml · nonDerivative · entry 2

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,451,443

F5 · shares: Represents 35 shares sold by Index III Jersey, 70 shares sold by Index III Delaware, 1 share sold by Index III Parallel, 48 shares sold by Index IV Jersey, 5 shares sold by Index IV Parallel, 38 shares sold by Index V Jersey, 0 shares sold by Index V Parallel and 3 shares sold by Yucca Jersey.

F6 · balance_after: Represents 771,586 shares held directly by Index III Jersey, 1,567,398 shares held directly by Index III Delaware, 27,922 shares held directly by Index III Parallel, 1,071,817 shares held directly by Index IV Jersey, 101,736 shares held directly by Index IV Parallel, 847,603 shares held directly by Index V Jersey, 6,868 shares held directly by Index V Parallel and 56,513 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-014268 · doc4.xml · nonDerivative · entry 1

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,451,643

F1 · shares: Represents 3,938 shares sold by Index Ventures III (Jersey), L.P. ("Index III Jersey"), 7,999 shares sold by Index Ventures III (Delaware), L.P. ("Index III Delaware"), 143 shares sold by Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. ("Index III Parallel" and, together with Index III Jersey and Index III Delaware, the "Index III Funds"), 5,470 shares sold by Index Ventures IV (Jersey) L.P. ("Index IV Jersey"), 519 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index IV Parallel" and, together with Index IV Jersey, the "Index IV Funds"), 4,326 shares sold by Index Ventures V (Jersey), L.P. ("Index V Jersey"), 35 shares sold by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index V Parallel" and, together with Index V Jersey, the "Index V Funds") and 288 shares sold by Yucca (Jersey) SLP ("Yucca Jersey").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.00 to $6.25. 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 · balance_after: Represents 771,621 shares held directly by Index III Jersey, 1,567,468 shares held directly by Index III Delaware, 27,923 shares held directly by Index III Parallel, 1,071,865 shares held directly by Index IV Jersey, 101,741 shares held directly by Index IV Parallel, 847,641 shares held directly by Index V Jersey, 6,868 shares held directly by Index V Parallel and 56,516 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-013815 · doc4.xml · nonDerivative · entry 3

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,474,361

F8 · shares: Represents 7,772 shares sold by Index III Jersey, 15,787 shares sold by Index III Delaware, 281 shares sold by Index III Parallel, 10,796 shares sold by Index IV Jersey, 1,025 shares sold by Index IV Parallel, 8,537 shares sold by Index V Jersey, 69 shares sold by Index V Parallel and 569 shares sold by Yucca Jersey.

F9 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.26 to $6.525. 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.

F10 · balance_after: Represents 775,559 shares held directly by Index III Jersey, 1,575,467 shares held directly by Index III Delaware, 28,066 shares held directly by Index III Parallel, 1,077,335 shares held directly by Index IV Jersey, 102,260 shares held directly by Index IV Parallel, 851,967 shares held directly by Index V Jersey, 6,903 shares held directly by Index V Parallel and 56,804 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-013815 · doc4.xml · nonDerivative · entry 2

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,519,197

F5 · shares: Represents 9,259 shares sold by Index III Jersey, 18,809 shares sold by Index III Delaware, 335 shares sold by Index III Parallel, 12,862 shares sold by Index IV Jersey, 1,221 shares sold by Index IV Parallel, 10,171 shares sold by Index V Jersey, 83 shares sold by Index V Parallel and 678 shares sold by Yucca Jersey.

F6 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.50 to $6.79. 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.

F7 · balance_after: Represents 783,331 shares held directly by Index III Jersey, 1,591,254 shares held directly by Index III Delaware, 28,347 shares held directly by Index III Parallel, 1,088,131 shares held directly by Index IV Jersey, 103,285 shares held directly by Index IV Parallel, 860,504 shares held directly by Index V Jersey, 6,972 shares held directly by Index V Parallel and 57,373 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0000899243-19-013815 · doc4.xml · nonDerivative · entry 1

Index Venture Associates III Ltd · CIK 0001503683 · 10% owner

Index Venture Associates IV Ltd · CIK 0001447962 · 10% owner

Index Venture Associates V Ltd · CIK 0001611751 · 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 Footnote

Disclosed balance after: 4,572,615

F1 · shares: Represents 6,340 shares sold by Index Ventures III (Jersey), L.P. ("Index III Jersey"), 12,878 shares sold by Index Ventures III (Delaware), L.P. ("Index III Delaware"), 229 shares sold by Index Ventures III Parallel Entrepreneur Fund (Jersey) L.P. ("Index III Parallel" and, together with Index III Jersey and Index III Delaware, the "Index III Funds"), 8,806 shares sold by Index Ventures IV (Jersey) L.P. ("Index IV Jersey"), 836 shares sold by Index Ventures IV Parallel Entrepreneur Fund (Jersey) L.P. ("Index IV Parallel" and, together with Index IV Jersey, the "Index IV Funds"), 6,964 shares sold by Index Ventures V (Jersey), L.P. ("Index V Jersey"), 57 shares sold by Index Ventures V Parallel Entrepreneur Fund (Jersey), L.P. ("Index V Parallel" and, together with Index V Jersey, the "Index V Funds") and 464 shares sold by Yucca (Jersey) SLP ("Yucca Jersey").

F2 · price: The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.78 to $7.41. 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 · balance_after: Represents 792,590 shares held directly by Index III Jersey, 1,610,063 shares held directly by Index III Delaware, 28,682 shares held directly by Index III Parallel, 1,100,993 shares held directly by Index IV Jersey, 104,506 shares held directly by Index IV Parallel, 870,675 shares held directly by Index V Jersey, 7,055 shares held directly by Index V Parallel and 58,051 shares held directly by Yucca Jersey.

F4 · ownership.nature: Index Venture Associates III Ltd. ("Index III GP") is the general partner of the Index III Funds, Index Venture Associates IV Ltd. ("Index IV GP") is the general partner of the Index IV Funds and Index Venture Associates V Ltd. ("Index V GP") is the general partner of the Index V Funds. Yucca (Jersey) SLP is the Administrator of the Index Co-Investment Scheme acting through Intertrust Employee Benefit Services Limited. Each of Index III GP, Index IV GP and Index V GP disclaims Section 16 beneficial ownership of the securities held by the Index III Funds, Index IV Funds and Index V Funds, respectively, and the shares held by Yucca Jersey, except to the extent of its respective pecuniary interest therein, if any, and this report shall not be deemed an admission that Index III GP, Index IV GP or Index V GP is the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001209191-18-064104 · doc4.xml · nonDerivative · entry 1

DOYLE WILLIAM F · CIK 0001194459 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,611

SEC source: 0001209191-18-063191 · doc4.xml · nonDerivative · entry 2

Ahlholm Frederick W · CIK 0001405279 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,780

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-18-063195 · doc4.xml · nonDerivative · entry 2

Race Geoff · CIK 0001610382 · EVP, CFO & CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 198,370

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-18-063187 · doc4.xml · nonDerivative · entry 2

Luthringer Remy · CIK 0001610384 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 32,702

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-18-063183 · doc4.xml · nonDerivative · entry 2

Reilly Joseph H. · CIK 0001610499 · SVP & Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,199

F2 · kind: Shares sold to satisfy withholding tax obligations upon the vesting of restricted stock grants.

SEC source: 0001209191-18-063191 · doc4.xml · derivative · entry 3

Ahlholm Frederick W · CIK 0001405279 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

Underlying: Common Stock · 5,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

F3 · derivative.expiration_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

SEC source: 0001209191-18-063191 · doc4.xml · nonDerivative · entry 1

Ahlholm Frederick W · CIK 0001405279 · SVP, Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,339

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

F1 · price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

SEC source: 0001209191-18-063195 · doc4.xml · derivative · entry 3

Race Geoff · CIK 0001610382 · EVP, CFO & CBO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

Underlying: Common Stock · 12,500 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.

F3 · derivative.exercise_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.

F3 · derivative.expiration_date: Represents shares issuable upon the vesting of RSUs awarded to the Reporting Person on December 14, 2016. The RSUs vest in 4 equal annual installments beginning on December 14, 2017 and will be fully vested on December 14, 2020, in all cases so long as there has been no break in the Reporting Person's continuous service through such date.