Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1,F3,F8	Sep 10, 2018	C	310,264	—	A	519,693	I	See Footnotes
Class A Common Stock^F1,F4,F8	Sep 10, 2018	C	80,257	—	A	134,430	I	See Footnotes
Class A Common Stock^F1,F5,F8	Sep 10, 2018	C	98,406	—	A	164,830	I	See Footnotes
Class A Common Stock^F1,F6,F8	Sep 10, 2018	C	11,073	—	A	18,547	I	See Footnotes
Class A Common Stock^F2,F3,F8	Sep 10, 2018	J	310,264	—	D	209,429	I	See Footnotes
Class A Common Stock^F2,F4,F8	Sep 10, 2018	J	80,257	—	D	54,173	I	See Footnotes
Class A Common Stock^F2,F5,F8	Sep 10, 2018	J	98,406	—	D	66,424	I	See Footnotes
Class A Common Stock^F2,F6,F8	Sep 10, 2018	J	11,073	—	D	7,474	I	See Footnotes
Class A Common Stock^F2,F7,F8	Sep 10, 2018	J	762	—	A	762	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 10, 2018	C	310,264	D	—	—	Class A Common Stock	310,264	2,286,817	D
Class B Common Stock^F1	—	Sep 10, 2018	C	80,257	D	—	—	Class A Common Stock	80,257	591,532	D
Class B Common Stock^F1	—	Sep 10, 2018	C	98,406	D	—	—	Class A Common Stock	98,406	725,308	D
Class B Common Stock^F1	—	Sep 10, 2018	C	11,073	D	—	—	Class A Common Stock	11,073	81,614	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
F8See 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 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Names and Addresses Exhibit 99.3 - Joint Filers' Signatures