Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Nov 2, 2016	C	150,126	—	A	3,258,759	I	By Sequoia Capital XI, L.P.
Common Stock^F1,F2	Nov 2, 2016	C	16,332	—	A	354,522	I	By Sequoia Capital XI Principals Fund, LLC
Common Stock^F1,F2	Nov 2, 2016	C	4,742	—	A	102,930	I	y Sequoia Technology Partners XI, L.P.
Common Stock^F1,F3	Nov 2, 2016	C	124,327	—	A	124,327	I	By Sequoia Capital U.S. Growth Fund V, L.P.

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series G Preferred Stock^F2,F1	—	Nov 2, 2016	C	150,126	D	—	—	Common Stock	150,126	I
Series G Preferred Stock^F2,F1	—	Nov 2, 2016	C	16,332	D	—	—	Common Stock	16,332	I
Series G Preferred Stock^F2,F1	—	Nov 2, 2016	C	4,742	D	—	—	Common Stock	4,742	I
Series G Preferred Stock^F3,F1	—	Nov 2, 2016	C	124,327	D	—	—	Common Stock	124,327	I

Explanation of responses

F1The Series G Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.
F2SC XI Management, LLC ("SC XI Management") is the general partner of Sequoia Capital XI, L.P. ("SC XI") and Sequoia Technology Partners XI, L.P. ("STP XI"), and the managing member of Sequoia Capital XI Principals Fund, LLC ("SC XI PF"). Douglas Leone and Michael Moritz are the managing members of SC XI Management. As a result, each of Messrs. Leone and Moritz and SC XI Management may be deemed to share voting and dispositive power with respect to the shares held by SC XI, STP XI and SC XI PF. Each of the Reporting Persons disclaims beneficial ownership of these securities except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.
F3SC US (TTGP), Ltd. ("SC US TTGP") is the general partner of SCGF V Management, L.P. ("GF V Management"), which is the general partner of Sequoia Capital U.S. Growth Fund V, L.P. ("SC Growth"). As a result, SC US TTGP and GF V Management may be deemed to share voting and dispositive power with respect to the shares held by SC Growth. Each of the filing persons disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

Remarks

This filing is Part 2 of 2.