Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1,F2,F3,F4	May 10, 2018	C	556,218	—	A	556,218	I	By Growth Fund
Class A Common Stock^F5,F2,F3,F4	May 10, 2018	J	556,218	—	D	0	I	By Growth Fund
Class A Common Stock^F6,F2,F3,F4	May 10, 2018	C	44,968	—	A	44,968	I	By Growth Partners
Class A Common Stock^F7,F2,F3,F4	May 10, 2018	J	44,968	—	D	0	I	By Growth Partners
Class A Common Stock^F8,F9	May 10, 2018	J	83,637	—	A	83,637	I	See footnote
Class A Common Stock^F10,F9	May 10, 2018	J	83,637	—	D	0	I	See footnote

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Class B Common Stock^F11,F2,F3,F4	—	May 10, 2018	C	556,218	D	—	—	Class A Common Stock	556,218	1,215,708	I
Class B Common Stock^{F11,F2,F3,F4,F12}	—	May 10, 2018	C	44,968	D	—	—	Class A Common Stock	44,968	1,170,740	I

Explanation of responses

F1Represents the conversion of Class B Common Stock into Class A Common Stock held by Draper Fisher Jurvetson Growth Fund 2006, L.P. (Growth Fund).
F10Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Growth Fund 2006 Partners to its partners or members.
F11Each 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.
F12Shares held by DALP.
F2The 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).
F3Timothy C. Draper and John H.N. Fisher 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 and John H.N. Fisher. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.
F4John 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 and Timothy C. Draper. These individuals disclaim beneficial ownership of these shares except to the extent of their pecuniary interest therein.
F5Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Growth Fund to its partners or members and includes the subsequent distribution by Draper Fisher Jurvetson Growth Fund 2006 Partners, L.P. (Growth Fund 2006 Partners) to its respective partners or members.
F6Represents the conversion of Class B Common Stock into Class A Common Stock held by Growth Partners.
F7Represents a pro rata in-kind distribution of Class A Common Stock of the Issuer by Growth Partners to its partners or members.
F8Represents the receipt of shares of Class A Common Stock of the Issuer by virtue of the pro rata in-kind distribution by Growth Fund.
F9Shares held by Growth Fund 2006 Partners.

Remarks

This report is filed as form 1 of 2 to report related transactions for the following filers: Draper Fisher Jurvetson Fund VIII, L.P.; Draper Fisher Jurvetson Partners VIII, LLC; Draper Fisher Jurvetson Fund IX, L.P.; Draper Fisher Jurvetson Partners IX, LLC; Draper Associates, L.P.; Timothy Draper; John Fisher; Mark Bailey; Barry Schuler; Draper Fisher Jurvetson Growth Fund 2006, L.P.; and Draper Fisher Jurvetson Partners Growth Fund 2006, LLC.