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Filing Details

Accession Number:: 0001209191-21-051157
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2021-08-12 17:00:30
Reporting Period:: 2021-08-10

Accepted Time:: 2021-08-12 17:00:30
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
1762176	M. Karen Anderson	C/O Mimecast North America, Inc. 191 Spring Street Lexington MA 02421	Chief Human Resources Officer	No	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
Ordinary Shares	Acquisiton	2021-08-10	15,624	$40.00	15,624	No	4	M	Direct
Ordinary Shares	Acquisiton	2021-08-10	1,859	$33.38	17,483	No	4	M	Direct
Ordinary Shares	Disposition	2021-08-10	16,481	$58.54	1,002	No	4	S	Direct
Ordinary Shares	Disposition	2021-08-10	1,002	$59.05	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Ordinary Shares	Share Option (Right to Buy)	Disposition	2021-08-10	15,624	$0.00	15,624	$40.00
Ordinary Shares	Share Option (Right to Buy)	Disposition	2021-08-10	1,859	$0.00	1,859	$33.38

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
46,878		2029-02-01	No	4	M	Direct
20,453		2030-04-01	No	4	M	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership
Restricted Share Units	12,500	Direct
Restricted Share Units	9,549	Direct
Restricted Share Units	12,239	Direct
Restricted Share Units	9,400	Direct

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on November 16, 2020.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $57.99 - $58.98, 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.
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $58.99 - $59.11, 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.
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 February 1, 2019. Twenty-five percent (25%) of the units vested on February 1, 2020, twenty-five percent (25%) of the units vested on February 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 such vesting date.
These restricted share units were granted 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 three (3) years, provided that the Reporting Person remains an employee of the Issuer on each such vesting date.
These restricted share units were granted on April 1, 2021. Twenty-five percent (25%) of the units vest on April 1, 2022 and the remainder of the units vest on an annual basis over the next three (3) years, provided that the Reporting Person remains an employee of the Issuer on each such vesting date.
These restricted share units were granted on July 1, 2021. Twenty-five percent (25%) of the units vest on July 1, 2022 and the remainder of the units vest on an annual basis over the next three (3) years, provided that the Reporting Person remains an employee of the Issuer on each such vesting date.
This option was granted on February 1, 2019. Twenty-five percent (25%) of the shares vested on February 1, 2020, and the remainder of the shares vest on a quarterly basis over the next three (3) years, provided that the Reporting Person remains an employee of the Issuer on such vesting date.
This option was granted on April 1, 2020. Twenty-five percent (25%) of the shares vested on April 1, 2021, and the remainder of the shares vest on a quarterly basis over the next three (3) years, provided that the Reporting Person remains an employee of the Issuer on each such vesting date.