| 09/03/22 | 07:00:12 | 9 Mar 2022 | | Block admission six monthly return | RNS |
| 08/03/22 | 09:41:35 | 8 Mar 2022 | | Director/PDMR Shareholding | RNS |
| 25/02/22 | 11:06:07 | 25 Feb 2022 | | Second Price Monitoring Extn | RNS |
| 25/02/22 | 11:00:57 | 25 Feb 2022 | | Price Monitoring Extension | RNS |
| 25/02/22 | 07:00:09 | 25 Feb 2022 | | Operational update | RNS |
| 31/01/22 | 07:00:09 | 31 Jan 2022 | | Holding(s) in Company | RNS |
| 21/01/22 | 14:46:51 | 21 Jan 2022 | | Operational update on Paraytec | RNS |
| 17/01/22 | 15:23:35 | 17 Jan 2022 | | Further re. Director/PDMR holding | RNS |
| 17/01/22 | 09:24:52 | 17 Jan 2022 | | Holding(s) in Company | RNS |
| 16/12/21 | 07:00:08 | 16 Dec 2021 | | Non Regulatory - PhaseFocus Update | RNS |
| 08/12/21 | 16:08:14 | 8 Dec 2021 | | Director/PDMR Shareholding | RNS |
| 08/12/21 | 07:00:08 | 8 Dec 2021 | | Operational update on Paraytec | RNS |
| 26/11/21 | 09:49:52 | 26 Nov 2021 | | Video from The University of Sheffield re Paraytec | RNS |
| 15/11/21 | 07:00:06 | 15 Nov 2021 | | Half-year Report | RNS |
| 14/10/21 | 13:46:55 | 14 Oct 2021 | | Director/PDMR Shareholding | RNS |
| 11/10/21 | 07:30:57 | 11 Oct 2021 | | Investment in Autins Group plc | RNS |
| 30/09/21 | 17:00:05 | 30 Sept 2021 | | Total Voting Rights | RNS |
| 30/09/21 | 07:00:13 | 30 Sept 2021 | | Operational update on various investments | RNS |
| 09/09/21 | 07:00:07 | 9 Sept 2021 | | Block admission six monthly return | RNS |
| 31/08/21 | 17:00:01 | 31 Aug 2021 | | Total Voting Rights | RNS |
| 13/08/21 | 11:05:54 | 13 Aug 2021 | | Second Price Monitoring Extn | RNS |
| 13/08/21 | 11:00:31 | 13 Aug 2021 | | Price Monitoring Extension | RNS |
| 13/08/21 | 07:00:07 | 13 Aug 2021 | | Placing to raise £2.5 million | RNS |
| 06/08/21 | 11:05:58 | 6 Aug 2021 | | Second Price Monitoring Extn | RNS |
| 06/08/21 | 11:00:34 | 6 Aug 2021 | | Price Monitoring Extension | RNS |
| 04/08/21 | 14:40:17 | 4 Aug 2021 | | Further update re Paraytec AD Scanner project | RNS |
| 26/07/21 | 17:49:11 | 26 Jul 2021 | | Director/PDMR Shareholding | RNS |
| 14/07/21 | 14:37:30 | 14 Jul 2021 | | Result of AGM | RNS |
| 29/06/21 | 16:50:30 | 29 Jun 2021 | | Director/PDMR Shareholding | RNS |
| 23/06/21 | 07:49:47 | 23 Jun 2021 | | Further update re Paraytec Limited | RNS |
| 18/06/21 | 07:00:03 | 18 Jun 2021 | | Final Results | RNS |
| 16/06/21 | 07:00:06 | 16 Jun 2021 | | Appointment of Non-Executive Director | RNS |
| 14/06/21 | 09:40:10 | 14 Jun 2021 | | Update on the Paraytec AD Scanner project | RNS |
| 09/06/21 | 07:01:02 | 9 Jun 2021 | | Disposal of interest in Gyrometric Systems Limited | RNS |
| 08/06/21 | 17:25:38 | 8 Jun 2021 | | Block admission six monthly return | RNS |
| 28/05/21 | 17:00:02 | 28 May 2021 | | Total Voting Rights | RNS |
| 18/05/21 | 07:00:06 | 18 May 2021 | | Exercise of Employee Share Options | RNS |
| 18/05/21 | 07:00:05 | 18 May 2021 | | Appointment of Non-Executive Director | RNS |
| 06/05/21 | 07:00:04 | 6 May 2021 | | Sale of shares by PDMR | RNS |
| 05/05/21 | 17:21:51 | 5 May 2021 | | Holding(s) in Company | RNS |
| 04/05/21 | 14:06:36 | 4 May 2021 | | Second Price Monitoring Extn | RNS |
| 04/05/21 | 14:01:12 | 4 May 2021 | | Price Monitoring Extension | RNS |
| 04/05/21 | 07:00:13 | 4 May 2021 | | Further update re Paraytec Limited | RNS |
| 30/04/21 | 17:00:02 | 30 Apr 2021 | | Total Voting Rights | RNS |
| 15/04/21 | 18:25:23 | 15 Apr 2021 | | Replacement: Sale of shares by PDMR | RNS |
| 15/04/21 | 17:31:13 | 15 Apr 2021 | | Sale of shares by PDMR | RNS |
| 14/04/21 | 16:40:38 | 14 Apr 2021 | | Second Price Monitoring Extn | RNS |
| 14/04/21 | 16:35:49 | 14 Apr 2021 | | Price Monitoring Extension | RNS |
| 09/04/21 | 14:20:37 | 9 Apr 2021 | | Sale of shares by PDMR | RNS |
| 07/04/21 | 16:41:31 | 7 Apr 2021 | | Second Price Monitoring Extn | RNS |