| 11/12/25 | 07:00:08 | 11 Dec 2025 | | Director/PDMR Shareholding | RNS |
| 10/12/25 | 07:01:08 | 10 Dec 2025 | | Half Year Results | RNS |
| 01/12/25 | 12:20:11 | 1 Dec 2025 | | Total Voting Rights | RNS |
| 28/11/25 | 07:00:13 | 28 Nov 2025 | | Notice of Half Year Results | RNS |
| 04/11/25 | 11:59:55 | 4 Nov 2025 | | Total Voting Rights | RNS |
| 27/10/25 | 16:37:48 | 27 Oct 2025 | | Director/PDMR Shareholding | RNS |
| 16/10/25 | 10:11:54 | 16 Oct 2025 | | Director/PDMR Shareholding | RNS |
| 07/10/25 | 15:15:17 | 7 Oct 2025 | | Director/PDMR Shareholding | RNS |
| 07/10/25 | 07:00:03 | 7 Oct 2025 | | MASS secures £15.7m countermeasures contract | RNS |
| 02/10/25 | 11:03:28 | 2 Oct 2025 | | Block Listing Six Monthly Return | RNS |
| 01/10/25 | 09:53:33 | 1 Oct 2025 | | Total Voting Rights | RNS |
| 25/09/25 | 16:59:32 | 25 Sept 2025 | | Result of AGM | RNS |
| 25/09/25 | 07:00:08 | 25 Sept 2025 | | AGM Statement | RNS |
| 19/09/25 | 17:12:43 | 19 Sept 2025 | | Director/PDMR Shareholding | RNS |
| 12/09/25 | 07:00:18 | 12 Sept 2025 | | Investor Presentation | RNS |
| 10/09/25 | 15:21:44 | 10 Sept 2025 | | Director/PDMR Shareholding | RNS |
| 03/09/25 | 10:57:17 | 3 Sept 2025 | | Director/PDMR Shareholding | RNS |
| 01/09/25 | 11:05:46 | 1 Sept 2025 | | Total Voting Rights | RNS |
| 26/08/25 | 15:22:12 | 26 Aug 2025 | | Block Listing Six Monthly Return | RNS |
| 20/08/25 | 15:56:08 | 20 Aug 2025 | | Annual Report and Notice of Annual General Meeting | RNS |
| 15/08/25 | 15:35:22 | 15 Aug 2025 | | Director/PDMR Shareholding | RNS |
| 11/08/25 | 17:10:59 | 11 Aug 2025 | | Director/PDMR Shareholding | RNS |
| 01/08/25 | 16:16:41 | 1 Aug 2025 | | Total Voting Rights | RNS |
| 17/07/25 | 09:49:14 | 17 Jul 2025 | | Director/PDMR Shareholding | RNS |
| 16/07/25 | 07:00:07 | 16 Jul 2025 | | Final Results | RNS |
| 11/07/25 | 09:00:00 | 11 Jul 2025 | | Investor Presentation | RNS |
| 11/07/25 | 07:00:08 | 11 Jul 2025 | | Notice of Results | RNS |
| 09/07/25 | 12:11:45 | 9 Jul 2025 | | Holding(s) in Company | RNS |
| 01/07/25 | 11:00:19 | 1 Jul 2025 | | Total Voting Rights | RNS |
| 29/05/25 | 07:00:06 | 29 May 2025 | | Full Year Trading Update | RNS |
| 12/05/25 | 15:59:19 | 12 May 2025 | | Block Listing Application | RNS |
| 06/05/25 | 14:00:01 | 6 May 2025 | | Contract Win (Replacement) | RNS |
| 01/05/25 | 09:00:00 | 1 May 2025 | | Contract win | RNS |
| 01/05/25 | 07:00:03 | 1 May 2025 | | Total Voting Rights | RNS |
| 24/04/25 | 12:12:46 | 24 Apr 2025 | | Director/PDMR Shareholding | RNS |
| 09/04/25 | 15:05:45 | 9 Apr 2025 | | Director/PDMR Shareholding | RNS |
| 02/04/25 | 10:41:18 | 2 Apr 2025 | | Block Listing Six Monthly Return | RNS |
| 01/04/25 | 09:58:50 | 1 Apr 2025 | | Total Voting Rights | RNS |
| 31/03/25 | 12:53:35 | 31 Mar 2025 | | Director/PDMR Shareholding | RNS |
| 03/03/25 | 12:34:02 | 3 Mar 2025 | | Total Voting Rights | RNS |
| 24/02/25 | 14:57:07 | 24 Feb 2025 | | Block Listing Six Monthly Return | RNS |
| 21/02/25 | 14:18:13 | 21 Feb 2025 | | Director/PDMR Shareholding | RNS |
| 12/02/25 | 11:00:00 | 12 Feb 2025 | | Investor Presentation via Investor Meet Company | RNS |
| 12/02/25 | 07:00:04 | 12 Feb 2025 | | MASS wins extension for JCAST training contract | RNS |
| 10/02/25 | 07:00:09 | 10 Feb 2025 | | Cohort presentation at Shares Spotlight Event | RNS |
| 05/02/25 | 07:00:07 | 5 Feb 2025 | | Investor Presentation via Engage Investor | RNS |
| 03/02/25 | 17:00:20 | 3 Feb 2025 | | Total Voting Rights | RNS |
| 31/01/25 | 07:00:05 | 31 Jan 2025 | | Completion of EM Solutions Acquisition | RNS |
| 24/01/25 | 07:00:07 | 24 Jan 2025 | | Investor Presentation | RNS |
| 20/01/25 | 07:30:00 | 20 Jan 2025 | | Completion date of EM Solutions Acquisition | RNS |
