0000899243-22-019227.txt : 20220523 0000899243-22-019227.hdr.sgml : 20220523 20220523165740 ACCESSION NUMBER: 0000899243-22-019227 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20220519 FILED AS OF DATE: 20220523 DATE AS OF CHANGE: 20220523 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: AIN ARON J CENTRAL INDEX KEY: 0001193623 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-37637 FILM NUMBER: 22952526 MAIL ADDRESS: STREET 1: C/O MIMECAST LIMITED, MIMECAST NA, INC. STREET 2: 191 SPRING STREET CITY: LEXINGTON STATE: MA ZIP: 02421 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Mimecast Ltd CENTRAL INDEX KEY: 0001644675 STANDARD INDUSTRIAL CLASSIFICATION: SERVICES-PREPACKAGED SOFTWARE [7372] IRS NUMBER: 000000000 STATE OF INCORPORATION: X0 FISCAL YEAR END: 0331 BUSINESS ADDRESS: STREET 1: 1 FINSBURY AVENUE CITY: LONDON STATE: X0 ZIP: EC2M 2PF BUSINESS PHONE: 44(0)2078478700 MAIL ADDRESS: STREET 1: 1 FINSBURY AVENUE CITY: LONDON STATE: X0 ZIP: EC2M 2PF 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2022-05-19 1 0001644675 Mimecast Ltd MIME 0001193623 AIN ARON J C/O MIMECAST NORTH AMERICA, INC. 191 SPRING STREET LEXINGTON MA 02421 1 0 0 0 Ordinary Shares 2022-05-19 4 D 0 21130 D 0 D Restricted Share Units 2022-05-19 4 D 0 3930 D 0 D Restricted Share Units 2022-05-19 4 D 0 2742 D 0 D In connection with the effective time (the "Effective Time") of the court-sanctioned scheme of arrangement contemplated by that certain Transaction Agreement between Magnesium Bidco Limited ("Magnesium Bidco"), an affiliate of Permira Advisers LLC ("Permira"), and Mimecast Limited ("Issuer"), dated December 7, 2021 (the "Transaction Agreement") and the election by the Reporting Person to participate in the equity of Permira or its affiliates following the Effective Time, the Reporting Person exchanged the legal and beneficial ownership of each ordinary share of Issuer held by the Reporting Person for shares of Magnesium Topco Limited, an affiliate of Permira, prior to the Effective Time. Each restricted share unit ("RSU") represents a contingent right to receive one Issuer ordinary share. At the Effective Time, each RSU that was vested and outstanding as of immediately prior to the Effective Time ("Vested RSU") was canceled and converted into the right to receive an amount in cash equal to $80.00 multiplied by the aggregate number of shares subject to such Vested RSU, subject to required withholding taxes. These RSUs were granted on October 3, 2019 and vested in full on the one year anniversary of the date of grant. These RSUs were granted on October 6, 2021 and vest in full on the one year anniversary of the date of grant. /s/ Robert P. Nault, Attorney-in-Fact 2022-05-23