Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1,F3	Mar 4, 2019	C	725,171	—	A	920,967	I	See Footnote
Class A Common Stock^F1,F4	Mar 4, 2019	C	524,829	—	A	666,533	I	See Footnote
Class A Common Stock^F2,F3	Mar 4, 2019	J	725,171	—	D	195,796	I	See Footnote
Class A Common Stock^F2,F4	Mar 4, 2019	J	524,829	—	D	141,704	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^F1	—	Mar 4, 2019	C	725,171	D	—	—	Class A Common Stock	725,171	1,412,793	D
Class B Common Stock^F1	—	Mar 4, 2019	C	524,829	D	—	—	Class A Common Stock	524,829	1,022,481	D

Explanation of responses

F1See Exhibit 99.1
F2See Exhibit 99.1
F3See Exhibit 99.1
F4See 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 persons. 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