| 23/09/26 | 08:35:05 | 23 Sept 2026 | | Holding(s) in Company | RNS |
| 21/09/26 | 14:03:09 | 21 Sept 2026 | | Option Exercise, Issue of Equity & PDMR Dealings | RNS |
| 21/09/26 | 14:01:30 | 21 Sept 2026 | | Holding(s) in Company | RNS |
| 11/09/26 | 14:32:05 | 11 Sept 2026 | | Holding(s) in Company | RNS |
| 08/09/26 | 07:00:02 | 8 Sept 2026 | | Interim Results | RNS |
| 03/09/26 | 07:00:03 | 3 Sept 2026 | | Purchase Orders | RNS |
| 02/09/26 | 08:42:37 | 2 Sept 2026 | | Holding(s) in Company | RNS |
| 02/09/26 | 07:00:06 | 2 Sept 2026 | | Notice of Interim Results & Investor Presentation | RNS |
| 25/08/26 | 14:27:31 | 25 Aug 2026 | | Holding(s) in Company | RNS |
| 03/08/26 | 14:27:41 | 3 Aug 2026 | | Holding(s) in Company | RNS |
| 28/07/26 | 14:45:32 | 28 Jul 2026 | | Trading Update - Amendment | RNS |
| 28/07/26 | 07:00:02 | 28 Jul 2026 | | Trading update | RNS |
| 21/07/26 | 09:59:17 | 21 Jul 2026 | | Holding(s) in Company | RNS |
| 23/06/26 | 07:00:02 | 23 Jun 2026 | | Purchase Orders | RNS |
| 26/05/26 | 14:10:28 | 26 May 2026 | | Holding(s) in Company | RNS |
| 07/05/26 | 13:19:32 | 7 May 2026 | | Holding(s) in Company | RNS |
| 07/05/26 | 07:00:08 | 7 May 2026 | | US$1.2 million Purchase Order | RNS |
| 28/04/26 | 11:54:56 | 28 Apr 2026 | | Result of AGM | RNS |
| 23/04/26 | 07:00:03 | 23 Apr 2026 | | £1.0m Infrastructure Protection Contracts | RNS |
| 13/04/26 | 07:00:09 | 13 Apr 2026 | | £1.7m Purchase Orders for Information Systems | RNS |
| 31/03/26 | 07:00:03 | 31 Mar 2026 | | £2.4m Contract Awards – Infrastructure Protection | RNS |
| 24/03/26 | 07:00:09 | 24 Mar 2026 | | Final Results | RNS |
| 19/03/26 | 07:00:11 | 19 Mar 2026 | | Notice of Results and Investor Presentation | RNS |
| 16/03/26 | 07:00:13 | 16 Mar 2026 | | Contract award in Denmark | RNS |
| 21/01/26 | 07:00:02 | 21 Jan 2026 | | Trading Update | RNS |
| 12/01/26 | 07:00:06 | 12 Jan 2026 | | Purchase Orders | RNS |
| 08/12/25 | 07:00:11 | 8 Dec 2025 | | £2.3m Purchase Orders – Infrastructure Protection | RNS |
| 01/12/25 | 16:25:58 | 1 Dec 2025 | | Option Exercise, Issue of Equity & PDMR Dealings | RNS |
| 29/10/25 | 07:00:04 | 29 Oct 2025 | | $5m purchase orders for New York Subway | RNS |
| 15/10/25 | 16:02:19 | 15 Oct 2025 | | Option Exercise, Issue of Equity & PDMR Dealings | RNS |
| 10/10/25 | 09:45:09 | 10 Oct 2025 | | Holding(s) in Company | RNS |
| 30/09/25 | 07:00:18 | 30 Sept 2025 | | Purchase Orders | RNS |
| 25/09/25 | 07:00:07 | 25 Sept 2025 | | Half-year Report | RNS |
| 18/09/25 | 07:00:09 | 18 Sept 2025 | | Purchase Order | RNS |
| 08/09/25 | 07:00:11 | 8 Sept 2025 | | Notice of Results & Investor Presentation | RNS |
| 08/09/25 | 07:00:09 | 8 Sept 2025 | | Framework Agreement | RNS |
| 02/09/25 | 07:00:11 | 2 Sept 2025 | | Acquisition of Crime and Fire Defence Systems | RNS |
| 01/09/25 | 07:00:08 | 1 Sept 2025 | | £3.5m Framework Agreement | RNS |
| 27/08/25 | 07:00:06 | 27 Aug 2025 | | £1m Purchase Orders and airport systems extension | RNS |
| 29/07/25 | 07:00:06 | 29 Jul 2025 | | Trading Update | RNS |
| 16/07/25 | 07:00:08 | 16 Jul 2025 | | Contract award in Denmark | RNS |
| 10/07/25 | 14:28:10 | 10 Jul 2025 | | Holding(s) in Company | RNS |
| 19/06/25 | 07:00:08 | 19 Jun 2025 | | Purchase Order | RNS |
| 05/06/25 | 14:09:23 | 5 Jun 2025 | | Director/PDMR Shareholding | RNS |
| 29/05/25 | 07:00:03 | 29 May 2025 | | £4.2m Rail Systems Purchase Order | RNS |
| 14/05/25 | 07:00:02 | 14 May 2025 | | £10m Framework Agreement | RNS |
| 23/04/25 | 12:30:00 | 23 Apr 2025 | | Result of AGM | RNS |
| 16/04/25 | 07:00:07 | 16 Apr 2025 | | Purchase Order | RNS |
| 26/03/25 | 09:54:31 | 26 Mar 2025 | | Director/PDMR Shareholding | RNS |
| 25/03/25 | 07:00:06 | 25 Mar 2025 | | Final Results | RNS |
