Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Class A Common Stock^F1,F3	Mar 4, 2019	C	775,661	—	A	985,090	I	See Footnotes
Class A Common Stock^F1,F4	Mar 4, 2019	C	200,641	—	A	254,814	I	See Footnotes
Class A Common Stock^F1,F5	Mar 4, 2019	C	246,016	—	A	312,440	I	See Footnotes
Class A Common Stock^F1,F6	Mar 4, 2019	C	27,682	—	A	35,156	I	See Footnotes
Class A Common Stock^F2,F3	Mar 4, 2019	J	775,661	—	D	209,429	I	See Footnotes
Class A Common Stock^F2,F4	Mar 4, 2019	J	200,641	—	D	54,173	I	See Footnotes
Class A Common Stock^F2,F5	Mar 4, 2019	J	246,016	—	D	66,424	I	See Footnotes
Class A Common Stock^F2,F6	Mar 4, 2019	J	27,682	—	D	7,474	I	See Footnotes
Class A Common Stock^F2,F8	Mar 4, 2019	J	31,695	—	A	67,304	I	See Footnote
Class A Common Stock^F7	holding	—	—		—	762	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	775,661	D	—	—	Class A Common Stock	775,661	1,511,156	D
Class B Common Stock^F1	—	Mar 4, 2019	C	200,641	D	—	—	Class A Common Stock	200,641	390,891	D
Class B Common Stock^F1	—	Mar 4, 2019	C	246,016	D	—	—	Class A Common Stock	246,016	479,292	D
Class B Common Stock^F1	—	Mar 4, 2019	C	27,682	D	—	—	Class A Common Stock	27,682	53,932	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 persons. 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