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Filing Details

Accession Number:: 0001209191-21-063647
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-11-09 17:00:15
Reporting Period:: 2021-11-05

Accepted Time:: 2021-11-09 17:00:15
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1644675	Mimecast Ltd	MIME	Services-Prepackaged Software (7372)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1676397	Peter Bauer	C/O Mimecast North America, Inc. 191 Spring Street Lexington MA 02421	Chief Executive Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Ordinary Shares	Disposition	2021-11-05	275,000	$0.00	974,376	No	5	G	Indirect	By Declaration of Trust of Peter Bauer
Ordinary Shares	Disposition	2021-11-08	2,929	$78.88	1,903,148	No	4	S	Indirect	By Rock Trustees Limited
Ordinary Shares	Disposition	2021-11-08	4,571	$79.13	1,898,577	No	4	S	Indirect	By Rock Trustees Limited

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	5	G	Indirect	By Declaration of Trust of Peter Bauer
No	4	S	Indirect	By Rock Trustees Limited
No	4	S	Indirect	By Rock Trustees Limited

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Ordinary Shares	9,544	Indirect	By The Bauer Irrevocable Trust - 2020
Restricted Shares	2,250	Direct
Restricted Shares	9,000	Direct

Footnotes

Reflects a transfer by the Reporting Person to a charitable foundation.
These shares are held by the Declaration of Trust of Peter Bauer. The Reporting Person is a beneficiary, and the sole trustee of, the Declaration of Trust of Peter Bauer.
The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 15, 2020.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $78.405 - $78.99, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
These shares are held by Rock Trustees Limited as trustee of the Butterworth Trust (the "Butterworth Trust"), of which the Reporting Person is a beneficiary. As trustee of the Butterworth Trust, Rock Trustees Limited exercises dispositive power over the shares held therein. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by the Butterworth Trust, except to the extent, if any, of his pecuniary interest therein.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $79.0025 - $79.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
These shares are held by The Bauer Irrevocable Trust - 2020 for the benefit of the Reporting Person's children. The Reporting Person disclaims Section 16 beneficial ownership of the shares held by The Bauer Irrevocable Trust - 2020, except to the extent, if any, of his pecuniary interest therein.
Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares.
These restricted share units were granted on April 2, 2018. Twenty-five percent (25%) of the units vested on April 2, 2019, twenty-five percent (25%) of the units vested on April 2, 2020, twenty-five percent (25%) of the units vested on April 2, 2021, and the remainder of the units vest on April 2, 2022, provided that the Reporting Person remains an employee of the Issuer on such vesting date.
These restricted share units were granted on April 1, 2019. Twenty-five percent (25%) of the units vested on April 1, 2020, twenty-five percent (25%) of the units vested on April 1, 2021, and the remainder of the units vest on an annual basis over the next two (2) years, provided that the Reporting Person remains an employee of the Issuer on each such vesting date.