Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1,F3,F6	Sep 10, 2018	C	290,069	—	A	485,865	I	See Footnotes
Class A Common Stock^F1,F4,F6	Sep 10, 2018	C	209,931	—	A	351,635	I	See Footnotes
Class A Common Stock^F2,F3,F6	Sep 10, 2018	J	290,069	—	D	195,796	I	See Footnotes
Class A Common Stock^F2,F4,F6	Sep 10, 2018	J	209,931	—	D	141,704	I	See Footnotes
Class A Common Stock^F2,F5,F6	Sep 10, 2018	J	2,520	—	A	7,561	I	See Footnotes

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^F1	—	Sep 6, 2018	C	290,069	D	—	—	Class A Common Stock	290,069	2,137,964	D
Class B Common Stock^F1	—	Sep 6, 2018	C	209,931	D	—	—	Class A Common Stock	209,931	1,547,310	D

Explanation of responses

F1See Exhibit 99.1
F2See Exhibit 99.1
F3See Exhibit 99.1
F4See Exhibit 99.1
F5See Exhibit 99.1
F6See Exhibit 99.1

Remarks

This Form 4 is one of two Forms 4 filed relating to the same event. The Form 4 has been split into two filings because there are more than 10 reporting persons in total, and the SEC's EDGAR filing system limits a single Form 4 to a maximum of 10 reporting person. Each Form 4 is filed by Designated Filer, Insight Holdings Group, LLC. Exhibit List: Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Names and Addresses Exhibit 99.3 - Joint Filers' Signatures