| 30.10.2025 17:26 | MSI | Holding(s) in Company | RNS |
| 27.10.2025 07:00 | MSI | Director/PDMR Shareholding | RNS |
| 03.10.2025 12:00 | MSI | MS International secures further USD34 million contract with US Navy | Alliance |
| 02.10.2025 12:49 | MSI | Director/PDMR Shareholding and Total Voting Rights | RNS |
| 01.10.2025 07:00 | MSI | UNITED STATES NAVY CONTRACTS | RNS |
| 09.09.2025 14:09 | MSI | Exercise of Options, TVR & Director Shareholding | RNS |
| 22.08.2025 14:53 | MSI | Exercise of Options, TVR & Director Shareholdings | RNS |
| 15.08.2025 16:46 | SNX, SUPR, SEQI | UK dividends calendar - next 7 days | Alliance |
| 13.08.2025 17:19 | MSI | Exercise of Options, TVR & Director Shareholding | RNS |
| 06.08.2025 14:18 | MSI | Result of AGM | RNS |
| 06.08.2025 11:00 | MSI | AGM Statement | RNS |
| 18.07.2025 07:00 | MSI | Confirmation of Director Appointment | RNS |
| 17.07.2025 16:46 | MSI | Exercise of Options & TVR | RNS |
| 15.07.2025 16:01 | MSI | Exercise of Options, TVR & Director Shareholdings | RNS |
| 10.07.2025 16:01 | YNGA, VSL, DCC | UK dividends calendar - next 7 days | Alliance |
| 09.07.2025 16:51 | MSI | Exercise of Options, TVR & Director Shareholding | RNS |
| 04.07.2025 16:35 | MSI | Exercise of Options & TVR | RNS |
| 03.07.2025 16:03 | MSI | Exercise of Options & TVR | RNS |
| 02.07.2025 17:17 | MSI | Exercise of Options, TVR & Director Shareholding | RNS |
| 01.07.2025 16:01 | MSI | Exercise of Options, TVR & Director Shareholding | RNS |
| 30.06.2025 07:00 | MSI | Final Results | RNS |
| 13.02.2025 16:30 | MSI | Exercise of Options and Total Voting Rights | RNS |
| 21.01.2025 14:00 | MSI | Confirmation of Director Appointment | RNS |
| 20.01.2025 16:01 | MSI | Director/PDMR Shareholding | RNS |
| 20.01.2025 13:18 | MSI | Director/PDMR Shareholding | RNS |
| 14.01.2025 16:35 | MSI | Director/PDMR Shareholding and Total Voting Rights | RNS |
| 10.01.2025 11:53 | VTU, UTL, STS | UK dividends calendar - next 7 days | Alliance |
| 06.12.2024 10:40 | MSI | MS International touts profit growth ahead of phased contract delivery | Alliance |
| 06.12.2024 07:00 | MSI | Half-year Report | RNS |
| 22.10.2024 15:57 | MSI | Total Voting Rights | RNS |
| 01.10.2024 14:37 | MSI | Director/PDMR Shareholding | RNS |
| 16.09.2024 15:36 | MSI | Directors' Shareholdings | RNS |
| 06.09.2024 14:50 | MSI | Transaction in Own Shares & Director Shareholding | RNS |
| 19.08.2024 14:24 | TEP, SNX, SWEF | UK dividends calendar - next 7 days | Alliance |
| 13.08.2024 15:52 | MSI | Exercise of Options and Total Voting Rights | RNS |
| 09.08.2024 10:49 | MSI | Director/PDMR Shareholding | RNS |
| 07.08.2024 15:20 | MSI | Exercise of Options and Total Voting Rights | RNS |
| 02.08.2024 15:48 | MSI | Director/PDMR Shareholding | RNS |
