Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1,F3,F7	Sep 6, 2018	C	620,528	—	A	829,957	I	See Footnotes
Class A Common Stock^F1,F4,F7	Sep 6, 2018	C	160,513	—	A	214,686	I	See Footnotes
Class A Common Stock^F1,F5,F7	Sep 6, 2018	C	196,813	—	A	263,237	I	See Footnotes
Class A Common Stock^F1,F6,F7	Sep 6, 2018	C	22,146	—	A	29,620	I	See Footnotes
Class A Common Stock^F2,F3,F7	Sep 6, 2018	J	620,528	—	D	209,429	I	See Footnotes
Class A Common Stock^F2,F4,F7	Sep 6, 2018	J	160,513	—	D	54,173	I	See Footnotes
Class A Common Stock^F2,F5,F7	Sep 6, 2018	J	196,813	—	D	66,424	I	See Footnotes
Class A Common Stock^F2,F6,F7	Sep 6, 2018	J	22,146	—	D	7,474	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	620,528	D	—	—	Class A Common Stock	620,528	2,597,081	D
Class B Common Stock^F1	—	Sep 6, 2018	C	160,513	D	—	—	Class A Common Stock	160,513	671,789	D
Class B Common Stock^F1	—	Sep 6, 2018	C	196,813	D	—	—	Class A Common Stock	196,813	823,714	D
Class B Common Stock^F1	—	Sep 6, 2018	C	22,146	D	—	—	Class A Common Stock	22,146	92,687	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
F7See 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