Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Jul 30, 2018	C	8,739,118	—	A	8,739,118	I	See footnote
Common Stock^F1,F3	Jul 30, 2018	C	4,342,255	—	A	4,342,255	I	See footnote
Common Stock^F1,F4	Jul 30, 2018	C	925,908	—	A	925,908	I	See footnote
Common Stock^F1,F5	Jul 30, 2018	C	174,441	—	A	174,441	I	See footnote

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series B Preferred Stock^F2,F1	—	Jul 30, 2018	C	8,739,118	D	—	—	Common Stock	8,739,118	I
Series B Preferred Stock^F3,F1	—	Jul 30, 2018	C	4,342,255	D	—	—	Common Stock	4,342,255	I
Series B Preferred Stock^F4,F1	—	Jul 30, 2018	C	925,908	D	—	—	Common Stock	925,908	I
Series B Preferred Stock^F5,F1	—	Jul 30, 2018	C	174,441	D	—	—	Common Stock	174,441	I

Explanation of responses

F1Each share of the issuer's Series B preferred stock converted into 1 share of the issuer's common stock and had no expiration date.
F2Held directly by Insight Venture Partners IX, L.P.
F3Held directly by Insight Venture Partners (Cayman) IX, L.P.
F4Held directly by Insight Venture Partners (Delaware) IX, L.P.
F5Held directly by Insight Venture Partners IX (Co-Investors), L.P.

Remarks

This Form 4 is the first 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.