SEC Form 4 · accession 0001567619-18-007575

Mimecast Ltd · MIME

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owners

Insight Holdings Group, LLC

10% Owner

Insight Venture Partners Coinvestment Fund II, L.P.

10% Owner

Insight Venture Partners VII, L.P.

10% Owner

Insight Venture Partners (Cayman) VII, L.P.

10% Owner

Insight Venture Partners VII (Co-Investors), L.P.

10% Owner

Insight Venture Associates Coinvestment II, L.P.

10% Owner

Insight Venture Associates VII, L.P.

10% Owner

Insight Venture Associates VII, Ltd.

10% Owner

Insight Venture Partners (Delaware) VII, L.P.

10% Owner

Period of report

Dec 6, 2018

Accepted (ET)

Dec 10, 2018 · 2:43 pm EST

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0001644675

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Ordinary Shares^F1,F2	Dec 6, 2018	J	475,528	—	D	2,761,004	I	See footnote
Ordinary Shares^F1,F3	Dec 6, 2018	J	209,337	—	D	1,215,453	I	See footnote
Ordinary Shares^F1,F4	Dec 6, 2018	J	30,078	—	D	174,642	I	See footnote
Ordinary Shares^F1,F5	Dec 6, 2018	J	11,006	—	D	63,906	I	See footnote
Ordinary Shares^F1,F6	Dec 6, 2018	J	524,051	—	D	3,042,747	I	See footnote
Ordinary Shares^F1,F7	Dec 6, 2018	J	106	—	D	0	I	See footnote
Ordinary Shares^F8	holding	—	—		—	9,419	I	See footnote

Table II — derivative securities

No Table II lines on this filing.

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

Exhibit List Exhibit 99.1 - Explanation of Responses Exhibit 99.2 - Joint Filers' Signatures Exhibit 99.3 - Joint Filer Information