Karen M. Anderson - 09 Jun 2021 Form 4 Insider Report for Mimecast Ltd (MIME)

Role
Chief Human Resources Officer
Signature
/s/ Robert P. Nault, Attorney-in-Fact
Issuer symbol
MIME
Transactions as of
09 Jun 2021
Net transactions value
-$51,725
Form type
4
Filing time
10 Jun 2021, 17:01:02 UTC
Next filing
14 Jun 2021
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MIME Ordinary Shares Options Exercise $172,560 +4,314 +99% $40.00 8,679 09 Jun 2021 Direct
transaction MIME Ordinary Shares Sale $224,285 -4,314 -50% $51.99 4,365 09 Jun 2021 Direct F1
holding MIME Restricted Share Units 12,500 09 Jun 2021 Direct F2, F3
holding MIME Restricted Share Units 9,549 09 Jun 2021 Direct F2, F4
holding MIME Restricted Share Units 12,239 09 Jun 2021 Direct F2, F5

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction MIME Share Option (Right to Buy) Options Exercise $0 -4,314 -3.5% $0.000000 120,686 09 Jun 2021 Ordinary Shares 4,314 $40.00 Direct F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 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.
F2 Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares.
F3 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.
F4 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.
F5 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.
F6 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.

Remarks:

Exhibit 24 Power of Attorney (incorporated by reference to Power of Attorney filed as Exhibit 24 to Form 3 filed by the Reporting Person on January 3, 2019).