| 25/04/19 | 08:00:02 | 25 Apr 2019 | | Interim Results | RNS |
| 27/02/19 | 14:01:26 | 27 Feb 2019 | | Result of AGM | RNS |
| 27/02/19 | 07:00:03 | 27 Feb 2019 | | Trading Update | RNS |
| 28/01/19 | 15:00:05 | 28 Jan 2019 | | Posting of Annual Report and Notice of AGM | RNS |
| 05/12/18 | 12:13:56 | 5 Dec 2018 | | Preliminary Results 2018 (Replacement) | RNS |
| 05/12/18 | 07:00:02 | 5 Dec 2018 | | Preliminary Results 2018 | RNS |
| 24/10/18 | 08:00:01 | 24 Oct 2018 | | Board Appointment and Pre-Close Trading Update | RNS |
| 04/09/18 | 12:52:48 | 4 Sept 2018 | | Result of General Meeting | RNS |
| 23/08/18 | 16:15:07 | 23 Aug 2018 | | Notice of GM | RNS |
| 07/08/18 | 11:30:44 | 7 Aug 2018 | | General Meeting Adjourned | RNS |
| 17/07/18 | 17:34:03 | 17 Jul 2018 | | Result of ABB | RNS |
| 17/07/18 | 08:00:07 | 17 Jul 2018 | | Acquisition and Proposed Placing | RNS |
| 01/06/18 | 08:00:07 | 1 Jun 2018 | | Partnership Agreement For Brazilian Security Mkt | RNS |
| 03/05/18 | 16:44:42 | 3 May 2018 | | Exercise of Share Options & Total Voting Rights | RNS |
| 30/04/18 | 08:00:07 | 30 Apr 2018 | | Half-year Report | RNS |
| 04/04/18 | 08:00:02 | 4 Apr 2018 | | Trading Update | RNS |
| 13/03/18 | 08:35:45 | 13 Mar 2018 | | Holding(s) in Company | RNS |
| 27/02/18 | 15:59:13 | 27 Feb 2018 | | Results of AGM | RNS |
| 27/02/18 | 07:00:03 | 27 Feb 2018 | | Trading Update | RNS |
| 08/02/18 | 15:40:16 | 8 Feb 2018 | | Holding(s) in Company | RNS |
| 01/02/18 | 07:00:08 | 1 Feb 2018 | | Trading Update | RNS |
| 15/01/18 | 12:07:20 | 15 Jan 2018 | | Posting of Annual Report and Notice of AGM | RNS |
| 14/12/17 | 13:51:07 | 14 Dec 2017 | | Holding(s) in Company | RNS |
| 06/12/17 | 09:29:23 | 6 Dec 2017 | | Holding(s) in Company | RNS |
| 06/12/17 | 08:11:50 | 6 Dec 2017 | | PRELIMINARY RESULTS FOR THE YEAR END | RNS |
| 01/12/17 | 07:00:08 | 1 Dec 2017 | | Notice of Results | RNS |
| 29/11/17 | 10:10:09 | 29 Nov 2017 | | Holding(s) in Company | RNS |
| 28/11/17 | 12:35:01 | 28 Nov 2017 | | Holding(s) in Company | RNS |
| 30/10/17 | 07:00:05 | 30 Oct 2017 | | Holding(s) in Company | RNS |
| 30/10/17 | 07:00:02 | 30 Oct 2017 | | PRE-CLOSE TRADING UPDATE | RNS |
| 20/10/17 | 16:06:26 | 20 Oct 2017 | | Exercise of Share Options and Total Voting Rights | RNS |
| 13/10/17 | 09:57:07 | 13 Oct 2017 | | Holding(s) in Company | RNS |
| 04/10/17 | 08:00:02 | 4 Oct 2017 | | Trading Update | RNS |
| 26/09/17 | 10:02:07 | 26 Sept 2017 | | Exercise of Share Options and Total Voting Rights | RNS |
| 17/07/17 | 09:19:28 | 17 Jul 2017 | | Trading Update | RNS |
| 06/07/17 | 17:04:34 | 6 Jul 2017 | | Granting of Share Options | RNS |
| 17/05/17 | 09:52:45 | 17 May 2017 | | Holding(s) in Company | RNS |
| 10/05/17 | 11:17:57 | 10 May 2017 | | Result of Placing | RNS |
| 10/05/17 | 08:00:08 | 10 May 2017 | | Proposed Placing and Subscription | RNS |
| 26/04/17 | 08:00:07 | 26 Apr 2017 | | Half-year Report | RNS |
| 21/02/17 | 15:15:41 | 21 Feb 2017 | | Result of AGM | RNS |
| 21/02/17 | 07:00:08 | 21 Feb 2017 | | Trading Statement | RNS |
| 06/12/16 | 07:00:06 | 6 Dec 2016 | | Preliminary Results | RNS |
| 17/10/16 | 08:00:07 | 17 Oct 2016 | | Pre Close Trading Update | RNS |
| 12/09/16 | 14:53:39 | 12 Sept 2016 | | Holding(s) in Company | RNS |
| 22/08/16 | 08:00:07 | 22 Aug 2016 | | Trading Update - Year End Deliveries | RNS |
| 17/08/16 | 16:06:58 | 17 Aug 2016 | | Holding(s) in Company | RNS |
| 04/08/16 | 10:01:04 | 4 Aug 2016 | | Change of Auditor | RNS |
| 26/07/16 | 12:03:16 | 26 Jul 2016 | | Holding(s) in Company | RNS |
| 25/07/16 | 08:00:06 | 25 Jul 2016 | | Trading Statement | RNS |