| SC 13G/A | 2019-02-14 | Insight Venture Partners VII, L.P. | Mimecast Ltd | 2,285,476 | 3.8% | EDGAR |
| SC 13G/A | 2019-02-13 | Murray Neil | Mimecast Ltd | 2,492,911 | 4.1% | EDGAR |
| SC 13G/A | 2019-02-13 | Bauer Peter | Mimecast Ltd | 4,294,421 | 7.1% | EDGAR |
| SC 13G/A | 2019-02-11 | Abdiel Qualified Master Fund LP | Mimecast Ltd | 5,334,827 | 8.9% | EDGAR |
| SC 13G/A | 2019-02-08 | Index Ventures V (Jersey), L.P. | Mimecast Ltd | 0 | 0.0% | EDGAR |
| SC 13G/A | 2018-02-28 | Murray Neil | Mimecast Ltd | 2,951,663 | 5.1% | EDGAR |
| SC 13G/A | 2018-02-28 | Bauer Peter | Mimecast Ltd | 4,550,626 | 7.9% | EDGAR |
| SC 13G | 2018-02-14 | Index Ventures V (Jersey), L.P. | Mimecast Ltd | 989,259 | 1.7% | EDGAR |
| SC 13G/A | 2018-01-31 | Abdiel Qualified Master Fund LP | Mimecast Ltd | 4,749,767 | 8.3% | EDGAR |
| SC 13G/A | 2017-05-26 | Dawn Enterprise Capital Fund LP | Mimecast Ltd | 1,289,410 | 2.3% | EDGAR |
| SC 13G/A | 2017-02-14 | Bauer Peter | Mimecast Ltd | 4,881,876 | 8.9% | EDGAR |
| SC 13G/A | 2017-02-14 | Murray Neil | Mimecast Ltd | 3,375,615 | 6.1% | EDGAR |
| SC 13G/A | 2017-02-13 | Insight Venture Partners VII, L.P. | Mimecast Ltd | 3,616,953 | 6.0% | EDGAR |
| SC 13G | 2017-02-08 | Index Ventures V (Jersey), L.P. | Mimecast Ltd | 4,745,057 | 8.6% | EDGAR |
| SC 13G/A | 2017-01-25 | Abdiel Qualified Master Fund LP | Mimecast Ltd | 3,212,695 | 5.9% | EDGAR |
| SC 13G | 2016-10-19 | Dawn Enterprise Capital Fund LP | Mimecast Ltd | 2,789,632 | 5.1% | EDGAR |
| SC 13G | 2016-10-04 | Index Ventures V (Jersey), L.P. | Mimecast Ltd | 4,745,057 | 8.7% | EDGAR |
| SC 13G | 2016-06-07 | Murray Neil | Mimecast Ltd | 4,062,265 | 7.5% | EDGAR |
| SC 13G | 2016-06-07 | Bauer Peter | Mimecast Ltd | 5,209,376 | 9.6% | EDGAR |
| SC 13G | 2016-02-25 | Abdiel Qualified Master Fund LP | Mimecast Ltd | 2,591,731 | 4.8% | EDGAR |