BOX

SEC source: 0001209191-17-021378 · doc4.xml · derivative · entry 14

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 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: 17,488,029

Underlying: Class A Common Stock · 33,121 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.

F18 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F18 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F18 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F18 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F19 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 3,262,392 of these shares are owned directly by Fund IX, 10,432,997 of these shares are owned directly by Fund VIII, 88,406 of these shares are owned directly by Partners IX, 231,843 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-17-021378 · doc4.xml · derivative · entry 13

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 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: 17,521,150

Underlying: Class A Common Stock · 1,490,428 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.

F18 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F18 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F18 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F18 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 11

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 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: 4,660

F15 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund IX.

F9 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX to its partners or members

F16 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund IX Partners, L.P. (Fund IX Partners).

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 9

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 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: 377,066

F12 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F12 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F13 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners).

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 8

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 0

F11 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F11 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 7

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 12,630

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.

F10 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F10 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 6

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 0

F9 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX to its partners or members

F9 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX to its partners or members

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 5

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 466,056

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.

F8 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F8 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 4

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners VIII

Disclosed balance after: 0

F7 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners VIII to its partners or members.

F7 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners VIII to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 3

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners VIII

Disclosed balance after: 33,121

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.

F6 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F6 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 2

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund VIII

Disclosed balance after: 0

F5 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII to its partners or members and includes the subsequent distribution by Draper Fisher Jurvetson Fund VIII Partners, L.P. to its respective partners or members.

F5 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII to its partners or members and includes the subsequent distribution by Draper Fisher Jurvetson Fund VIII Partners, L.P. to its respective partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021378 · doc4.xml · nonDerivative · entry 1

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund VIII

Disclosed balance after: 1,490,428

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: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F1 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-17-021380 · doc4.xml · nonDerivative · entry 1

Stein Josh · CIK 0001606417 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 72,963

F1 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Draper Fisher Jurvetson Partners IX, LLC.

F1 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Draper Fisher Jurvetson Partners IX, LLC.

F2 · ownership.nature: Shares are held by the Joshua and Jennifer Stein Revocable Trust for which the Reporting Person serves as trustee.

SEC source: 0001209191-17-003035 · doc4.xml · derivative · entry 10

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,026,857

Underlying: Class A Common Stock · 35,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · nonDerivative · entry 6

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F6 · price: The shares were sold at prices ranging from $14.91 to $15.14. The reporting person will provide upon request to the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · nonDerivative · entry 5

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 35,000

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: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · derivative · entry 9

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,061,857

Underlying: Class A Common Stock · 315,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · nonDerivative · entry 4

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F5 · price: The shares were sold at prices ranging from $14.86 to $15.12. The reporting person will provide upon request to the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · nonDerivative · entry 3

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 315,000

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: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · derivative · entry 8

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,376,857

Underlying: Class A Common Stock · 290,797 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · nonDerivative · entry 2

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · price: The shares were sold at prices ranging from $14.30 to $14.64. The reporting person will provide upon request to the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-17-003035 · doc4.xml · nonDerivative · entry 1

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 290,797

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: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-156317 · doc4.xml · nonDerivative · entry 1

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund VIII Partners

Disclosed balance after: 0

F1 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners) to its partners or members.

F1 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners) to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII) and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F5 · ownership.nature: Shares were acquired pursuant to a prior pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII to its partners or members including Fund VIII Partners.

SEC source: 0001209191-16-156320 · doc4.xml · nonDerivative · entry 1

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON GROWTH FUND 2006 LP · CIK 0001385453 · 10% owner

DRAPER FISHER JURVETION PARTNERS GROWTH FUND 2006 LLC · CIK 0001375505 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Bu Fund VIII Partners

Disclosed balance after: 0

F1 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners) to its partners or members.

F1 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners) to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII) and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F5 · ownership.nature: Shares were acquired pursuant to a prior pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII to its partners or members including Fund VIII Partners.

SEC source: 0001209191-16-156596 · doc4.xml · nonDerivative · entry 1

Mannie Jeff · CIK 0001606411 · VP Controller & Chief Acct Ofr

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,871

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of restricted stock units (RSUs) and does not represent a sale by the Reporting Person.

F2 · balance_after: Includes 10,469 RSUs that represent contingent rights to receive 10,469 shares of the Issuer's Class B Common Stock upon settlement. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · balance_after: Includes 27,402 RSUs that represent contingent rights to receive 27,402 shares of the Issuer's Class A Common Stock upon settlement.

SEC source: 0001209191-16-156595 · doc4.xml · nonDerivative · entry 1

McGoff Peter M · CIK 0001606414 · SVP, Gen. Counsel & Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 193,193

F1 · shares: Represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the net settlement of restricted stock units (RSUs) and does not represent a sale by the Reporting Person.

F2 · balance_after: Includes 14,454 RSUs that represent contingent rights to receive 14,454 shares of the Issuer's Class B Common Stock upon settlement. Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · balance_after: Includes 175,000 RSUs that represent contingent rights to receive 175,000 shares of the Issuer's Class A Common Stock upon settlement.

SEC source: 0001209191-16-156386 · doc4.xml · derivative · entry 4

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,667,654

Underlying: Class A Common Stock · 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-156386 · doc4.xml · nonDerivative · entry 2

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-156386 · doc4.xml · nonDerivative · entry 1

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 500

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

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · derivative · entry 10

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,668,154

Underlying: Class A Common Stock · 18,102 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · nonDerivative · entry 6

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F6 · price: The shares were sold at prices ranging from $14.50 to $14.59. The reporting person will provide upon request to the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · nonDerivative · entry 5

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 18,102

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: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · derivative · entry 9

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,686,256

Underlying: Class A Common Stock · 18,301 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · nonDerivative · entry 4

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F5 · price: The shares were sold at prices ranging from $14.50 to $14.85. The reporting person will provide upon request to the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · nonDerivative · entry 3

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 18,301

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: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · derivative · entry 8

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 6,704,557

Underlying: Class A Common Stock · 7,300 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · nonDerivative · entry 2

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

F4 · price: The shares were sold at prices ranging from $15.00 to $15.10. The reporting person will provide upon request to the SEC, the issuer or security holder of the issuer, full information regarding the number of shares sold at each separate price.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-154967 · doc4.xml · nonDerivative · entry 1

O'Driscoll Rory · CIK 0001366969 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 7,300

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: Represents the conversion of Class B Common Stock into Class A Common Stock held by Scale Venture Partners III, L.P. ("SVP III").

F2 · price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F3 · ownership.nature: The shares are held of record by SVP III. Scale Venture Management III, LLC ("SVM III"), the general partner of SVP III, has sole voting and dispositive power with respect to the shares held by SVP III. Stacey Bishop, Kate Mitchell, Rory O'Driscoll and Andy Vitus, the managing members of SVM III, share voting and dispositive power with respect to the shares held by SVP III. The reporting person disclaims beneficial ownership of the reported securities for purposes of Section 16 or for any other purpose.

SEC source: 0001209191-16-153754 · doc4.xml · nonDerivative · entry 3

Stein Josh · CIK 0001606417 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 72,762

F4 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Draper Fisher Jurvetson Fund IX Partners, L.P.

F4 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Draper Fisher Jurvetson Fund IX Partners, L.P.

F2 · ownership.nature: Shares are held by the Joshua and Jennifer Stein Revocable Trust for which the Reporting Person serves as trustee.

SEC source: 0001209191-16-153754 · doc4.xml · nonDerivative · entry 2

Stein Josh · CIK 0001606417 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 63,896

F3 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Draper Fisher Jurvetson Fund VIII Partners, L.P.

F3 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Draper Fisher Jurvetson Fund VIII Partners, L.P.

F2 · ownership.nature: Shares are held by the Joshua and Jennifer Stein Revocable Trust for which the Reporting Person serves as trustee.

SEC source: 0001209191-16-153534 · doc4.xml · derivative · entry 14

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 19,011,578

Underlying: Class A Common Stock · 25,259 shares

Expires not disclosed

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

F15 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F16 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 3,728,448 of these shares are owned directly by Fund IX, 11,923,425 of these shares are owned directly by Fund VIII, 101,036 of these shares are owned directly by Partners IX, 264,964 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-16-153534 · doc4.xml · derivative · entry 13

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 19,036,837

Underlying: Class A Common Stock · 932,112 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.

F15 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F8 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F16 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 3,728,448 of these shares are owned directly by Fund IX, 11,923,425 of these shares are owned directly by Fund VIII, 101,036 of these shares are owned directly by Partners IX, 264,964 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-16-153534 · doc4.xml · derivative · entry 12

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 19,968,949

Underlying: Class A Common Stock · 33,121 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.

F15 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F6 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners VIII.

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F16 · ownership.nature: 1,490,740 of these shares are owned directly by DALP, 3,728,448 of these shares are owned directly by Fund IX, 11,923,425 of these shares are owned directly by Fund VIII, 101,036 of these shares are owned directly by Partners IX, 264,964 of these shares are owned directly by Partners VIII, 1,390,544 of these shares are owned directly by Growth Fund, and 112,421 of these shares are owned directly by Growth Partners.

SEC source: 0001209191-16-153534 · doc4.xml · derivative · entry 11

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 20,002,070

Underlying: Class A Common Stock · 1,490,428 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.

F15 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F1 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Fund VIII, L.P. (Fund VIII).

F15 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F15 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-16-153534 · doc4.xml · nonDerivative · entry 10

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 200

F14 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII Partners to its partners or members.

F14 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund VIII Partners to its partners or members.

F13 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners).

SEC source: 0001209191-16-153534 · doc4.xml · nonDerivative · entry 9

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 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: 372,083

F12 · kind: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F12 · price: Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Fund VIII.

F13 · ownership.nature: Shares held by Draper Fisher Jurvetson Fund VIII Partners, L.P. (Fund VIII Partners).

SEC source: 0001209191-16-153534 · doc4.xml · nonDerivative · entry 8

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 0

F11 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F11 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Partners IX to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-16-153534 · doc4.xml · nonDerivative · entry 7

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Partners IX

Disclosed balance after: 25,259

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

F10 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F10 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Partners IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-16-153534 · doc4.xml · nonDerivative · entry 6

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 0

F9 · kind: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX Partners to its partners or members.

F9 · price: Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Fund IX Partners to its partners or members.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

SEC source: 0001209191-16-153534 · doc4.xml · nonDerivative · entry 5

Draper Fisher Jurvetson Fund VIII L P · CIK 0001312964 · 10% owner

DRAPER FISHER JURVETSON PARTNERS VIII LLC · CIK 0001327087 · 10% owner

Draper Fisher Jurvetson Fund IX LP · CIK 0001385373 · 10% owner

Draper Fisher Jurvetson Partners IX, LLC · CIK 0001476642 · 10% owner

DRAPER ASSOCIATES L P · CIK 0001106255 · 10% owner

DRAPER TIMOTHY C · CIK 0001074910 · 10% owner

Fisher John H N · CIK 0001304934 · 10% owner

Jurvetson Stephen T · CIK 0001314917 · 10% owner

BAILEY MARK W · CIK 0001284493 · 10% owner

Schuler Barry · CIK 0001506924 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Fund IX

Disclosed balance after: 932,112

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.

F8 · kind: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F8 · price: Represents the conversion of Class B Common Stock into Class A Common Stock held by Fund IX.

F2 · ownership.nature: The General Partner of Draper Associates, L.P. (DALP) is Draper Associates, Inc. which is controlled by its President and majority shareholder, Timothy C. Draper. DALP invests lockstep alongside Fund VIII and Draper Fisher Jurvetson Fund IX, L.P. (Fund IX).

F3 · ownership.nature: Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson are managing directors of the general partner entities of Fund VIII and Fund IX that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners VIII, LLC (Partners VIII) invests lockstep alongside Fund VIII. Draper Fisher Jurvetson Partners IX, LLC (Partners IX) invests lockstep alongside Fund IX. The managing members of Partners VIII and Partners IX are Timothy C. Draper, John H.N. Fisher and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.

F4 · ownership.nature: John H.N. Fisher, Barry M. Schuler and Mark W. Bailey are managing directors of the general partner entities of Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund) that directly hold shares and as such they may be deemed to have voting and investment power with respect to such shares. Draper Fisher Jurvetson Partners Growth Fund 2006, LLC (Growth Partners) invests lockstep alongside Growth Fund. The managing members of Growth Partners are John H.N. Fisher, Barry M. Schuler, Mark W. Bailey, Timothy C. Draper and Stephen T. Jurvetson. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.