| 13/12/22 | 15:50:31 | 13 Dec 2022 | | Director/PDMR Shareholding and Total Voting Rights |
| 01/12/22 | 15:10:05 | 1 Dec 2022 | | Issue of Equity & Total Voting Rights |
| 15/11/22 | 18:16:52 | 15 Nov 2022 | | Issue of Equity, Total Voting Rights & Correction |
| 14/11/22 | 16:00:01 | 14 Nov 2022 | | Issue of Equity & Total Voting Rights |
| 14/11/22 | 07:00:06 | 14 Nov 2022 | | Half-year Report |
| 11/11/22 | 12:00:01 | 11 Nov 2022 | | Retail Investor Presentation |
| 09/11/22 | 07:00:08 | 9 Nov 2022 | | Notice of Results and Live Webcast 14th November |
| 09/11/22 | 07:00:04 | 9 Nov 2022 | | New System Contract – SE Asia Coast Guard |
| 07/11/22 | 09:05:35 | 7 Nov 2022 | | Second Price Monitoring Extn |
| 07/11/22 | 09:00:23 | 7 Nov 2022 | | Price Monitoring Extension |
| 03/10/22 | 16:41:02 | 3 Oct 2022 | | Second Price Monitoring Extn |
| 03/10/22 | 16:36:03 | 3 Oct 2022 | | Price Monitoring Extension |
| 03/10/22 | 11:00:40 | 3 Oct 2022 | | Price Monitoring Extension |
| 03/10/22 | 07:00:07 | 3 Oct 2022 | | Half Year Trading Update |
| 21/09/22 | 17:00:05 | 21 Sept 2022 | | Result of AGM |
| 21/09/22 | 07:00:06 | 21 Sept 2022 | | AGM Update |
| 16/09/22 | 07:00:05 | 16 Sept 2022 | | Notice of AGM |
| 28/07/22 | 07:00:06 | 28 Jul 2022 | | Final Results |
| 22/07/22 | 07:00:03 | 22 Jul 2022 | | Live Webcast 8:00am Thursday, 28th July 2022 |
| 28/06/22 | 14:00:28 | 28 Jun 2022 | | Price Monitoring Extension |
| 04/05/22 | 07:00:05 | 4 May 2022 | | Grant of Share Options |
| 05/04/22 | 17:07:11 | 5 Apr 2022 | | Director/PDMR Shareholding |
| 05/04/22 | 07:00:05 | 5 Apr 2022 | | Year End Trading Update |
| 05/04/22 | 07:00:04 | 5 Apr 2022 | | Investor Webcast |
| 16/03/22 | 11:15:01 | 16 Mar 2022 | | Director/PDMR Shareholding |
| 14/03/22 | 16:00:01 | 14 Mar 2022 | | Holding(s) in Company |
| 11/03/22 | 14:00:02 | 11 Mar 2022 | | Director/PDMR Shareholding |
| 11/03/22 | 09:05:21 | 11 Mar 2022 | | Second Price Monitoring Extn |
| 11/03/22 | 09:00:28 | 11 Mar 2022 | | Price Monitoring Extension |
| 11/03/22 | 07:00:04 | 11 Mar 2022 | | Result of Placing, Director Dealing and TVR |
| 10/03/22 | 16:35:01 | 10 Mar 2022 | | Proposed Placing |
| 04/02/22 | 07:00:04 | 4 Feb 2022 | | Appointment of Director |
| 02/02/22 | 07:00:05 | 2 Feb 2022 | | Panama Canal Order |
| 26/01/22 | 07:00:04 | 26 Jan 2022 | | £40 million SRT-MDA System Project Contract Signed |
| 17/01/22 | 14:24:06 | 17 Jan 2022 | | Issue of Equity & Total Voting Rights |
| 06/01/22 | 07:00:05 | 6 Jan 2022 | | £40 million SRT-MDA System Project Award |
| 02/12/21 | 07:00:04 | 2 Dec 2021 | | Half-year Report |
| 08/10/21 | 07:00:02 | 8 Oct 2021 | | Half Year Trading Update |
| 27/09/21 | 15:39:58 | 27 Sept 2021 | | Issue of Equity & Total Voting Rights |
| 22/09/21 | 13:15:06 | 22 Sept 2021 | | Result of AGM |
| 14/09/21 | 07:00:09 | 14 Sept 2021 | | AGM & Investor Presentation |
| 03/09/21 | 07:00:07 | 3 Sept 2021 | | AGM and Open Day |
