| 12/01/21 | 07:00:07 | 12 Jan 2021 | | New UK Defence Contract Award & Notice of Results | RNS |
| 14/12/20 | 07:00:09 | 14 Dec 2020 | | Directorate Change | RNS |
| 08/12/20 | 14:34:31 | 8 Dec 2020 | | Holding(s) in Company | RNS |
| 13/11/20 | 16:40:50 | 13 Nov 2020 | | Second Price Monitoring Extn | RNS |
| 13/11/20 | 16:35:45 | 13 Nov 2020 | | Price Monitoring Extension | RNS |
| 29/10/20 | 11:57:19 | 29 Oct 2020 | | Result of AGM | RNS |
| 29/10/20 | 07:00:08 | 29 Oct 2020 | | AGM Statement | RNS |
| 15/10/20 | 17:03:53 | 15 Oct 2020 | | Holding(s) in Company | RNS |
| 15/10/20 | 17:03:31 | 15 Oct 2020 | | Holding(s) in Company | RNS |
| 25/09/20 | 10:20:40 | 25 Sept 2020 | | Adoption of Share Option Plan and Grant of Options | RNS |
| 18/08/20 | 16:41:48 | 18 Aug 2020 | | Posting of Annual Report & Notice of AGM | RNS |
| 04/08/20 | 09:00:01 | 4 Aug 2020 | | Appointment of new CEO | RNS |
| 04/08/20 | 07:00:04 | 4 Aug 2020 | | 2020 Audited Full Year Results | RNS |
| 06/07/20 | 07:00:06 | 6 Jul 2020 | | New Contract Award | RNS |
| 30/06/20 | 07:00:06 | 30 Jun 2020 | | Year-End Trading Update | RNS |
| 02/06/20 | 14:49:04 | 2 Jun 2020 | | Exercise of Options and TVR | RNS |
| 07/05/20 | 07:00:07 | 7 May 2020 | | Product Launch | RNS |
| 01/05/20 | 12:00:02 | 1 May 2020 | | Holding(s) in Company | RNS |
| 29/04/20 | 08:53:11 | 29 Apr 2020 | | Holding(s) in Company | RNS |
| 27/04/20 | 07:00:04 | 27 Apr 2020 | | Covid-19 Impact Update | RNS |
| 09/04/20 | 17:13:58 | 9 Apr 2020 | | Exercise of Options | RNS |
| 27/03/20 | 11:00:40 | 27 Mar 2020 | | Price Monitoring Extension | RNS |
| 12/02/20 | 10:44:31 | 12 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 11/02/20 | 14:45:36 | 11 Feb 2020 | | Exercise of Options & Issue of Equity | RNS |
| 10/02/20 | 15:35:06 | 10 Feb 2020 | | Holding(s) in Company | RNS |
| 10/02/20 | 07:00:06 | 10 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 06/02/20 | 07:00:03 | 6 Feb 2020 | | 2020 Interim Results | RNS |
| 05/02/20 | 07:00:07 | 5 Feb 2020 | | New Contract Wins | RNS |
| 27/01/20 | 17:17:31 | 27 Jan 2020 | | Holding(s) in Company | RNS |
| 27/01/20 | 17:14:21 | 27 Jan 2020 | | Holding(s) in Company | RNS |
| 20/01/20 | 17:52:40 | 20 Jan 2020 | | Holdings in Company | RNS |
| 16/01/20 | 15:18:10 | 16 Jan 2020 | | Holding(s) in Company | RNS |
| 16/01/20 | 15:17:15 | 16 Jan 2020 | | Holding(s) in Company | RNS |
| 15/01/20 | 10:31:22 | 15 Jan 2020 | | Holding(s) in Company | RNS |
| 07/01/20 | 12:00:05 | 7 Jan 2020 | | Notice of Interim Results | RNS |
| 02/01/20 | 15:33:54 | 2 Jan 2020 | | Completion Of Sale Of Telecoms Antenna Business | RNS |
| 30/12/19 | 07:00:08 | 30 Dec 2019 | | Holdings in Company | RNS |
| 20/12/19 | 09:34:59 | 20 Dec 2019 | | Holdings in Company | RNS |
| 19/12/19 | 11:00:01 | 19 Dec 2019 | | Sale of Telecoms Antenna Business | RNS |
| 06/12/19 | 17:14:17 | 6 Dec 2019 | | Holding(s) in Company | RNS |
| 27/11/19 | 12:26:39 | 27 Nov 2019 | | Result of AGM | RNS |
| 27/11/19 | 07:00:04 | 27 Nov 2019 | | AGM Statement | RNS |
| 22/11/19 | 17:11:06 | 22 Nov 2019 | | Issue of Equity | RNS |
| 18/11/19 | 17:19:03 | 18 Nov 2019 | | Holding(s) in Company | RNS |
| 15/11/19 | 13:04:57 | 15 Nov 2019 | | Annual Report & Accounts: Replacement | RNS |
| 01/11/19 | 07:00:06 | 1 Nov 2019 | | Directorate Resignation | RNS |
| 25/10/19 | 13:02:17 | 25 Oct 2019 | | Holding(s) in Company | RNS |
| 25/10/19 | 12:23:19 | 25 Oct 2019 | | Issue of Equity | RNS |
| 25/10/19 | 08:00:05 | 25 Oct 2019 | | Holding(s) in Company | RNS |
| 23/10/19 | 15:00:47 | 23 Oct 2019 | | Posting of Annual Report and Notice of AGM | RNS |