| 07/04/20 | 16:42:02 | 7 Apr 2020 | | Second Price Monitoring Extn | RNS |
| 07/04/20 | 16:36:57 | 7 Apr 2020 | | Price Monitoring Extension | RNS |
| 03/04/20 | 08:00:06 | 3 Apr 2020 | | Appointment of Non-Executive Director | RNS |
| 24/03/20 | 11:05:38 | 24 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 24/03/20 | 11:00:28 | 24 Mar 2020 | | Price Monitoring Extension | RNS |
| 23/03/20 | 14:05:55 | 23 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 23/03/20 | 14:00:36 | 23 Mar 2020 | | Price Monitoring Extension | RNS |
| 23/03/20 | 11:06:09 | 23 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 23/03/20 | 11:00:41 | 23 Mar 2020 | | Price Monitoring Extension | RNS |
| 23/03/20 | 09:05:53 | 23 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 23/03/20 | 09:00:37 | 23 Mar 2020 | | Price Monitoring Extension | RNS |
| 19/03/20 | 16:42:12 | 19 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 19/03/20 | 16:37:36 | 19 Mar 2020 | | Price Monitoring Extension | RNS |
| 19/03/20 | 14:06:00 | 19 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 19/03/20 | 14:00:55 | 19 Mar 2020 | | Price Monitoring Extension | RNS |
| 19/03/20 | 13:32:19 | 19 Mar 2020 | | Directors' Share Dealing | RNS |
| 19/03/20 | 07:00:06 | 19 Mar 2020 | | Trading Update & Notice of Results | RNS |
| 18/03/20 | 16:36:27 | 18 Mar 2020 | | Price Monitoring Extension | RNS |
| 18/03/20 | 11:06:36 | 18 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 18/03/20 | 11:00:38 | 18 Mar 2020 | | Price Monitoring Extension | RNS |
| 13/03/20 | 07:00:04 | 13 Mar 2020 | | Block listing Interim Review | RNS |
| 11/03/20 | 16:40:51 | 11 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 11/03/20 | 16:35:46 | 11 Mar 2020 | | Price Monitoring Extension | RNS |
| 03/03/20 | 12:02:14 | 3 Mar 2020 | | Exercise of Options | RNS |
| 26/02/20 | 11:05:22 | 26 Feb 2020 | | Second Price Monitoring Extn | RNS |
| 26/02/20 | 11:00:27 | 26 Feb 2020 | | Price Monitoring Extension | RNS |
| 21/01/20 | 10:23:43 | 21 Jan 2020 | | Grant of LTIP Awards | RNS |
| 15/01/20 | 14:02:36 | 15 Jan 2020 | | Result of AGM | RNS |
| 14/01/20 | 14:00:45 | 14 Jan 2020 | | Price Monitoring Extension | RNS |
| 17/12/19 | 15:37:40 | 17 Dec 2019 | | Director Dealing | RNS |
| 11/12/19 | 13:39:18 | 11 Dec 2019 | | Exercise of Options | RNS |
| 05/12/19 | 12:30:20 | 5 Dec 2019 | | Grant of Options & Related Party Transaction | RNS |
| 03/12/19 | 11:45:01 | 3 Dec 2019 | | Block Listing Application | RNS |
| 02/12/19 | 16:40:52 | 2 Dec 2019 | | Second Price Monitoring Extn | RNS |
| 02/12/19 | 16:35:46 | 2 Dec 2019 | | Price Monitoring Extension | RNS |
| 27/11/19 | 07:00:03 | 27 Nov 2019 | | Final Results | RNS |
| 02/10/19 | 08:00:03 | 2 Oct 2019 | | Pre-Close Trading Update & Notice of Results | RNS |
| 27/09/19 | 11:58:16 | 27 Sept 2019 | | Exercise of Options | RNS |
| 13/09/19 | 17:24:26 | 13 Sept 2019 | | Correction: PDMR share dealings | RNS |
| 10/09/19 | 14:55:50 | 10 Sept 2019 | | Block Listing Application | RNS |
| 10/09/19 | 14:52:21 | 10 Sept 2019 | | PDMR share dealings | RNS |
| 06/09/19 | 13:40:03 | 6 Sept 2019 | | PDMR share dealing | RNS |
| 05/09/19 | 11:20:56 | 5 Sept 2019 | | Director and PCA share dealings | RNS |
| 02/09/19 | 08:00:05 | 2 Sept 2019 | | Acquisition of Dynamic Research Incorporated | RNS |
| 15/07/19 | 14:05:45 | 15 Jul 2019 | | Exercise of Share Options | RNS |
| 04/07/19 | 08:00:06 | 4 Jul 2019 | | Appointment of Chief Financial Officer | RNS |
| 28/06/19 | 14:52:03 | 28 Jun 2019 | | Acquisition of rFpro | RNS |
| 12/06/19 | 11:42:39 | 12 Jun 2019 | | Holding(s) in Company | RNS |
| 06/06/19 | 12:17:21 | 6 Jun 2019 | | Result of General Meeting and Total Voting Rights | RNS |
| 06/06/19 | 08:00:06 | 6 Jun 2019 | | Results of Oversubscribed Open Offer | RNS |
