{"transactions":[{"id":822553,"issuer":{"id":1196,"kind":"organization","name":"Rapid7, Inc.","symbol":"RPD"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"PERFORMANCE RIGHTS","published_at":"2026-04-01T20:43:53.000Z","date":"2026-03-31","kind":"grant","planned":false,"acquired":true,"shares":275000,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"This security represents performance stock units (\"PSUs\") granted under the Issuer's 2015 Equity Incentive Plan, as amended, to the Reporting Person. Each PSU represents a contingent right to receive one share of common stock of the Issuer (\"Common Stock\")."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F2","text":"The PSUs are eligible to vest upon the Issuer's Common Stock attaining specified stock price thresholds over a three-year performance period, subject to the Reporting Person's continued employment through the end of the performance period (except for certain good leaver events). The number of PSUs reflected is at the target number of PSUs, and the actual number of PSUs eligible to vest will range from 0% to 150% of the target number of PSUs."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F2","text":"The PSUs are eligible to vest upon the Issuer's Common Stock attaining specified stock price thresholds over a three-year performance period, subject to the Reporting Person's continued employment through the end of the performance period (except for certain good leaver events). The number of PSUs reflected is at the target number of PSUs, and the actual number of PSUs eligible to vest will range from 0% to 150% of the target number of PSUs."}],"balance_after":275000,"derivative":{"underlying":"Common Stock","underlying_shares":275000},"source":{"system":"sec-edgar","filing":"0000950103-26-005188","document":"ownership.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1560327/000095010326005188/ownership.xml","form_type":"4"}},{"id":983225,"issuer":{"id":1196,"kind":"organization","name":"Rapid7, Inc.","symbol":"RPD"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"COMMON STOCK","published_at":"2025-12-02T21:14:29.000Z","date":"2025-12-01","kind":"grant","planned":false,"acquired":true,"shares":466999,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F1","text":"This security represents restricted stock units granted under the Issuer's 2015 Equity Incentive Plan, as amended, to the Reporting Person in connection with his appointment as Chief Financial Officer of the Issuer. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer."},{"field":"shares","element":"transactionShares","label":"F2","text":"The restricted stock unit grant vests over three years with 33% of the shares underlying the restricted stock unit grant vesting on December 15, 2026, and 8.33% of the shares underlying the restricted stock unit grant vesting on the 15th day of each calendar quarter thereafter, subject to the Reporting Person's continued service with the Issuer."}],"balance_after":466999,"source":{"system":"sec-edgar","filing":"0001588892-25-000005","document":"wk-form4_1764710066.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1560327/000158889225000005/wk-form4_1764710066.xml","form_type":"4"}},{"id":2259497,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Share Option (Right to Buy)","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":85127,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"kind","element":"transactionCoding","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F12","text":"This Option was granted on April 1, 2021.  25% of the shares vested on April 1, 2022 and the remainder of the shares vest on a quarterly basis over the next 3 years."}],"balance_after":0,"derivative":{"exercise_price":40.85,"expiration_date":"2031-04-01","underlying":"Ordinary Shares","underlying_shares":85127},"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2259496,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Share Option (Right to Buy)","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":80499,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"kind","element":"transactionCoding","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F11","text":"This Option was granted on April 1, 2020.  25% of the shares vested on April 1, 2021 and the remainder of the shares vest on a quarterly basis over the next 3 years."}],"balance_after":0,"derivative":{"exercise_price":33.38,"expiration_date":"2030-04-01","underlying":"Ordinary Shares","underlying_shares":80499},"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2259495,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Share Option (Right to Buy)","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":180000,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"kind","element":"transactionCoding","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"price","element":"transactionPricePerShare","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"price","element":"transactionPricePerShare","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F8","text":"Each option to purchase Issuer ordinary shares (\"Option\") that was vested and outstanding, and unexercised as of immediately prior to the Effective Time (\"Vested Option\") was canceled and extinguished and converted into the right to receive an amount in cash equal to (x) the difference, if any, between $80.00 and the per-share exercise price of such Vested Option, multiplied by (y) the aggregate number of shares underlying such Vested Option, subject to required withholding taxes.  Each Option that was outstanding as of immediately prior to the Effective Time and that was not a Vested Option (\"Unvested Option\") was automatically converted into and substituted with a cash award in an amount equal to (x) the difference, if any,"},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"(Continued from Footnote 8) between $80.00 and the per-share exercise price of such Unvested Option, multiplied by (y) the aggregate number of shares underlying such Unvested Option, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested Option as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F10","text":"This Option was granted on April 1, 2019.  25% of the shares vested on April 1, 2020 and the remainder of the shares vest on a quarterly basis over the next 3 years."}],"balance_after":0,"derivative":{"exercise_price":47.23,"expiration_date":"2029-04-01","underlying":"Ordinary Shares","underlying_shares":180000},"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2259494,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":29376,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"In connection with the Effective Time of the court-sanctioned scheme of arrangement contemplated by 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."},{"field":"security","element":"securityTitle","label":"F3","text":"Each restricted share unit (\"RSU\") represents a contingent right to receive one Issuer ordinary share."},{"field":"kind","element":"transactionCoding","label":"F4","text":"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. Each RSU that was outstanding as of immediately prior to the Effective Time and that was not a Vested RSU (\"Unvested RSU\") was converted into and substituted with a cash award in an amount equal to $80.00 multiplied by the aggregate number of shares underlying such Unvested RSU immediately prior to the Effective Time, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested RSU as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"shares","element":"transactionShares","label":"F7","text":"These RSUs were granted on April 1, 2021. 25% of the shares vested on April 1, 2022 and the remainder of the shares vest on an annual basis over the next 3 years."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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. Each RSU that was outstanding as of immediately prior to the Effective Time and that was not a Vested RSU (\"Unvested RSU\") was converted into and substituted with a cash award in an amount equal to $80.00 multiplied by the aggregate number of shares underlying such Unvested RSU immediately prior to the Effective Time, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested RSU as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2259493,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":17227,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"In connection with the Effective Time of the court-sanctioned scheme of arrangement contemplated by 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."},{"field":"security","element":"securityTitle","label":"F3","text":"Each restricted share unit (\"RSU\") represents a contingent right to receive one Issuer ordinary share."},{"field":"kind","element":"transactionCoding","label":"F4","text":"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. Each RSU that was outstanding as of immediately prior to the Effective Time and that was not a Vested RSU (\"Unvested RSU\") was converted into and substituted with a cash award in an amount equal to $80.00 multiplied by the aggregate number of shares underlying such Unvested RSU immediately prior to the Effective Time, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested RSU as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"shares","element":"transactionShares","label":"F6","text":"These RSUs were granted on April 1, 2020. 25% of the shares vested on April 1, 2021 and the remainder of the shares vest on an annual basis over the next 3 years."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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. Each RSU that was outstanding as of immediately prior to the Effective Time and that was not a Vested RSU (\"Unvested RSU\") was converted into and substituted with a cash award in an amount equal to $80.00 multiplied by the aggregate number of shares underlying such Unvested RSU immediately prior to the Effective Time, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested RSU as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2259492,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"In connection with the Effective Time of the court-sanctioned scheme of arrangement contemplated by 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."},{"field":"security","element":"securityTitle","label":"F3","text":"Each restricted share unit (\"RSU\") represents a contingent right to receive one Issuer ordinary share."},{"field":"kind","element":"transactionCoding","label":"F4","text":"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. Each RSU that was outstanding as of immediately prior to the Effective Time and that was not a Vested RSU (\"Unvested RSU\") was converted into and substituted with a cash award in an amount equal to $80.00 multiplied by the aggregate number of shares underlying such Unvested RSU immediately prior to the Effective Time, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested RSU as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."},{"field":"shares","element":"transactionShares","label":"F5","text":"These RSUs were granted on April 1, 2019. 25% of the shares vested on April 1, 2020 and the remainder of the shares vest on an annual basis over the next 3 years."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"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. Each RSU that was outstanding as of immediately prior to the Effective Time and that was not a Vested RSU (\"Unvested RSU\") was converted into and substituted with a cash award in an amount equal to $80.00 multiplied by the aggregate number of shares underlying such Unvested RSU immediately prior to the Effective Time, in each case subject to the same time-vesting terms and conditions that applied to the substituted Unvested RSU as in effect immediately prior to the Effective Time, including the requirement of continued service with Magnesium Bidco or its affiliates through the applicable vesting date."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2259491,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":12500,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F2","text":"In connection with the Effective Time of the court-sanctioned scheme of arrangement contemplated by 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."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"In connection with the Effective Time of the court-sanctioned scheme of arrangement contemplated by 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."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2259490,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2022-05-23T17:02:17.000Z","date":"2022-05-19","kind":"disposition_to_issuer","acquired":false,"shares":30242,"ownership":{"direct":true},"footnotes":[{"field":"kind","element":"transactionCoding","label":"F1","text":"Pursuant to the terms of that certain Transaction Agreement between Magnesium Bidco Limited (\"Magnesium Bidco\") and Mimecast Limited (\"Issuer\"), dated December 7, 2021 (the \"Transaction Agreement\"), Magnesium Bidco agreed to acquire all of the issued and to be issued ordinary shares of Issuer for $80.00 per ordinary share by means of a court-sanctioned scheme of arrangement (the \"Scheme\"). At the effective time of the Scheme on May 19, 2022 (the \"Effective Time\"), each ordinary share then outstanding was automatically transferred from Issuer's shareholders to Magnesium Bidco in accordance with the Scheme and the Transaction Agreement, and Issuer's shareholders ceased to have any rights with respect to the Issuer ordinary shares, except their rights under the Scheme, including their right to receive $80.00 per ordinary share, subject to required withholding taxes."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Pursuant to the terms of that certain Transaction Agreement between Magnesium Bidco Limited (\"Magnesium Bidco\") and Mimecast Limited (\"Issuer\"), dated December 7, 2021 (the \"Transaction Agreement\"), Magnesium Bidco agreed to acquire all of the issued and to be issued ordinary shares of Issuer for $80.00 per ordinary share by means of a court-sanctioned scheme of arrangement (the \"Scheme\"). At the effective time of the Scheme on May 19, 2022 (the \"Effective Time\"), each ordinary share then outstanding was automatically transferred from Issuer's shareholders to Magnesium Bidco in accordance with the Scheme and the Transaction Agreement, and Issuer's shareholders ceased to have any rights with respect to the Issuer ordinary shares, except their rights under the Scheme, including their right to receive $80.00 per ordinary share, subject to required withholding taxes."}],"balance_after":0,"source":{"system":"sec-edgar","filing":"0000899243-22-019243","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000089924322019243/doc4.xml","form_type":"4"}},{"id":2307235,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-04-04T17:00:28.000Z","date":"2022-04-01","kind":"exercise","acquired":false,"shares":5448,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F6","text":"The restricted share units reported as disposed of herein were settled for the Issuer's Ordinary Shares upon the vesting of such units (as reported in Row 2 above)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"These restricted share units were granted on April 1, 2021.  Twenty-five percent (25%) of the units vested 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."}],"balance_after":29376,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":8,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2307234,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-04-04T17:00:28.000Z","date":"2022-04-01","kind":"tax_withholding","acquired":false,"shares":4343,"price":79.59,"value":345659.37,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F3","text":"The restricted share units reported as disposed of herein reflect the number of Ordinary Shares underlying the restricted share units that were retained (but not issued) by the Issuer in satisfaction of tax withholding obligations associated with the vesting of such units."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"These restricted share units were granted on April 1, 2021.  Twenty-five percent (25%) of the units vested 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."}],"balance_after":34824,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2307233,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-04-04T17:00:28.000Z","date":"2022-04-01","kind":"exercise","acquired":false,"shares":4792,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F6","text":"The restricted share units reported as disposed of herein were settled for the Issuer's Ordinary Shares upon the vesting of such units (as reported in Row 2 above)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"These restricted share units were granted on April 1, 2020.  Twenty-five percent (25%) of the units vested on April 1, 2021, twenty-five percent (25%) of the units vested on April 1, 2022 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."}],"balance_after":17227,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":6,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2307232,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-04-04T17:00:28.000Z","date":"2022-04-01","kind":"tax_withholding","acquired":false,"shares":3820,"price":79.59,"value":304033.8,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F3","text":"The restricted share units reported as disposed of herein reflect the number of Ordinary Shares underlying the restricted share units that were retained (but not issued) by the Issuer in satisfaction of tax withholding obligations associated with the vesting of such units."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reflects the closing price of the Issuer's Ordinary Shares on the Nasdaq Global Select Market on April 1, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F7","text":"These restricted share units were granted on April 1, 2020.  Twenty-five percent (25%) of the units vested on April 1, 2021, twenty-five percent (25%) of the units vested on April 1, 2022 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."}],"balance_after":22019,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2307231,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-04-04T17:00:28.000Z","date":"2022-04-01","kind":"exercise","acquired":false,"shares":8737,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F6","text":"The restricted share units reported as disposed of herein were settled for the Issuer's Ordinary Shares upon the vesting of such units (as reported in Row 2 above)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"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, twenty-five percent (25%) of the units vested on April 1, 2022, and the remainder of the units vest on April 1, 2023, provided that the Reporting Person remains an employee of the Issuer on each such vesting date."}],"balance_after":12500,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2307230,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2022-04-04T17:00:28.000Z","date":"2022-04-01","kind":"tax_withholding","acquired":false,"shares":3763,"price":79.59,"value":299497.17,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F3","text":"The restricted share units reported as disposed of herein reflect the number of Ordinary Shares underlying the restricted share units that were retained (but not issued) by the Issuer in satisfaction of tax withholding obligations associated with the vesting of such units."},{"field":"price","element":"transactionPricePerShare","label":"F4","text":"Price reflects the closing price of the Issuer's Ordinary Shares on the Nasdaq Global Select Market on April 1, 2022."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F5","text":"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, twenty-five percent (25%) of the units vested on April 1, 2022, and the remainder of the units vest on April 1, 2023, provided that the Reporting Person remains an employee of the Issuer on each such vesting date."}],"balance_after":21237,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2307229,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2022-04-04T17:00:28.000Z","date":"2022-04-01","kind":"exercise","acquired":true,"shares":18977,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"The number of Ordinary Shares reflects the aggregate settlement of the three (3) restricted share units reported below upon vesting, net of Ordinary Shares that were retained (but not issued) by the Issuer in satisfaction of tax withholding obligations associated with the vesting of such units."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."}],"balance_after":42742,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2307228,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Ordinary Shares","published_at":"2022-04-04T17:00:28.000Z","date":"2022-02-28","kind":"sale","acquired":false,"shares":5,"price":79.515,"value":397.575,"ownership":{"direct":true},"balance_after":23765,"source":{"system":"sec-edgar","filing":"0001209191-22-022486","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919122022486/doc4.xml","form_type":"4"}},{"id":2756753,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Share Option (Right to Buy)","published_at":"2021-04-05T18:24:39.000Z","date":"2021-04-01","kind":"grant","acquired":true,"shares":85127,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F9","text":"This option was granted on April 1, 2021. Twenty-five percent (25%) of the shares vest on April 1, 2022, 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."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F9","text":"This option was granted on April 1, 2021. Twenty-five percent (25%) of the shares vest on April 1, 2022, 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."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F9","text":"This option was granted on April 1, 2021. Twenty-five percent (25%) of the shares vest on April 1, 2022, 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."}],"balance_after":85127,"derivative":{"exercise_price":40.85,"expiration_date":"2031-04-01","underlying":"Ordinary Shares","underlying_shares":85127},"source":{"system":"sec-edgar","filing":"0001209191-21-025396","document":"doc4.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":7,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919121025396/doc4.xml","form_type":"4"}},{"id":2756752,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2021-04-05T18:24:39.000Z","date":"2021-04-01","kind":"exercise","acquired":false,"shares":6084,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F7","text":"The restricted share units reported as disposed of herein were settled for the Issuer's Ordinary Shares upon the vesting of such units (as reported in Row 1 above)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F8","text":"These restricted share units were granted on April 1, 2020.  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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."}],"balance_after":31923,"source":{"system":"sec-edgar","filing":"0001209191-21-025396","document":"doc4.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":5,"url":"https://www.sec.gov/Archives/edgar/data/1588892/000120919121025396/doc4.xml","form_type":"4"}},{"id":2756750,"issuer":{"id":126738,"kind":"organization","name":"Mimecast Ltd","symbol":"MIME"},"owners":[{"id":54617,"kind":"person","name":"Brown Rafeal E.","position":1,"cik":"0001588892","reported_name":"Brown Rafeal E.","relationship":{"director":false,"officer":true,"ten_percent_owner":false,"other":false,"officer_title":"Chief Financial Officer"}}],"security":"Restricted Share Units","published_at":"2021-04-05T18:24:39.000Z","date":"2021-04-01","kind":"exercise","acquired":false,"shares":8841,"ownership":{"direct":true},"footnotes":[{"field":"security","element":"securityTitle","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"shares","element":"transactionShares","label":"F7","text":"The restricted share units reported as disposed of herein were settled for the Issuer's Ordinary Shares upon the vesting of such units (as reported in Row 1 above)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"Each restricted share unit represents a contingent right to receive one share of the Issuer's Ordinary Shares."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F6","text":"These restricted share units were granted on April 1, 2019.  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