X0306
4
2021-02-19
0
0001644675
Mimecast Ltd
MIME
0001267550
WALSH JOHN J JR
C/O MIMECAST NORTH AMERICA, INC.
191 SPRING STREET
LEXINGTON
MA
02421
0
1
0
0
Sr. Vice Pres., Engineering
Ordinary Shares
2021-02-19
4
M
0
2000
24.45
A
5828
D
Ordinary Shares
2021-02-19
4
S
0
2000
45.50
D
3828
D
Restricted Share Units
1650
D
Restricted Share Units
850
D
Restricted Share Units
8250
D
Restricted Share Units
29958
D
Share Option (Right to Buy)
24.45
2021-02-19
4
M
0
2000
0.00
A
2027-05-01
Ordinary Shares
2000
127500
D
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.
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, 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.
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.
These restricted share units were granted on April 1, 2019. Twenty-five percent (25%) of the units vested on April 1, 2020 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, 2020. Twenty-five percent (25%) of the units vest 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.
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 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.
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).
/s/ Robert P. Nault, Attorney-in-Fact
2021-02-19