John J. Walsh Jr - May 17, 2021 Form 4 Insider Report for Mimecast Ltd (MIME)

Role
Sr. Vice Pres., Engineering
Signature
/s/ Robert P. Nault, Attorney-in-Fact
Stock symbol
MIME
Transactions as of
May 17, 2021
Transactions value $
-$45,180
Form type
4
Date filed
5/17/2021, 05:15 PM
Previous filing
May 14, 2021
Next filing
May 24, 2021

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction MIME Ordinary Shares Options Exercise $48.9K +2K +121.8% $24.45 3.64K May 17, 2021 Direct
transaction MIME Ordinary Shares Sale -$94.1K -2K -54.91% $47.04 1.64K May 17, 2021 Direct F1
holding MIME Restricted Share Units 14.7K May 17, 2021 Direct F2, F3
holding MIME Restricted Share Units 22.5K May 17, 2021 Direct F2, F4
holding MIME Restricted Share Units 5.5K May 17, 2021 Direct F2, F5
holding MIME Restricted Share Units 850 May 17, 2021 Direct F2, F6
holding MIME Restricted Share Units 825 May 17, 2021 Direct F2, F7

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 -2K -1.93% $0.00 102K May 17, 2021 Ordinary Shares 2K $24.45 Direct F8
* 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 March 12, 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 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.
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, 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.
F6 These restricted share units were granted on June 1, 2018. Twenty-five percent (25%) of the units vested on June 1, 2019, twenty-five percent (25%) of the units vested on June 1, 2020, 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.
F7 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.
F8 This option was granted on May 1, 2017. Twenty-five percent (25%) of the shares vested on May 1, 2018 and the remainder of the shares vested on a quarterly basis over the next three (3) years. This option is fully vested.

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 April 2, 2018).