| 02/04/15 | 16:05:52 | 2 Apr 2015 | | Removal of Restrictions from Common Stock | RNS |
| 19/03/15 | 14:23:59 | 19 Mar 2015 | | Removal of Restrictions from Common Stock | RNS |
| 05/03/15 | 08:40:57 | 5 Mar 2015 | | Holding(s) in Company | RNS |
| 10/02/15 | 07:00:14 | 10 Feb 2015 | | Contract Win | RNS |
| 03/02/15 | 08:02:19 | 3 Feb 2015 | | Holding(s) in Company | RNS |
| 23/12/14 | 16:35:12 | 23 Dec 2014 | | Holding(s) in Company | RNS |
| 09/12/14 | 07:00:24 | 9 Dec 2014 | | Notice of Allowance from the US Patent Office | RNS |
| 04/11/14 | 17:51:10 | 4 Nov 2014 | | Holding(s) in Company | RNS |
| 20/10/14 | 08:00:12 | 20 Oct 2014 | | AGM Postponement | RNS |
| 30/09/14 | 08:00:17 | 30 Sept 2014 | | Interim results | RNS |
| 10/09/14 | 10:42:42 | 10 Sept 2014 | | TR-1: Notification of major interest in shares | RNS |
| 01/09/14 | 08:00:21 | 1 Sept 2014 | | Notice of AGM | RNS |
| 24/07/14 | 08:00:12 | 24 Jul 2014 | | Partnership with Cool Clean Technologies | RNS |
| 22/07/14 | 08:00:15 | 22 Jul 2014 | | Contract wins | RNS |
| 24/06/14 | 09:15:13 | 24 Jun 2014 | | Posting of Annual Report and Accounts | RNS |
| 23/06/14 | 08:00:10 | 23 Jun 2014 | | Central Bank testing Spectra's Aeris technology | RNS |
| 20/06/14 | 08:00:10 | 20 Jun 2014 | | Settlement of lawsuit and termination of agreement | RNS |
| 12/06/14 | 08:00:26 | 12 Jun 2014 | | Testing of Soiled Banknote Technology | RNS |
| 09/05/14 | 08:00:12 | 9 May 2014 | | TR-1: Notification of major interest in shares | RNS |
| 30/04/14 | 08:00:54 | 30 Apr 2014 | | Preliminary Results | RNS |
| 16/04/14 | 16:46:48 | 16 Apr 2014 | | TR-1: Notification of major interest in shares | RNS |
| 25/03/14 | 07:01:07 | 25 Mar 2014 | | TR-1: Notification of major interest in shares | RNS |
| 03/03/14 | 07:00:18 | 3 Mar 2014 | | Completion of Acquisition of Inksure Technologies | RNS |
| 04/02/14 | 15:33:12 | 4 Feb 2014 | | TR-1: Notification of major interest in shares | RNS |
| 30/01/14 | 07:00:17 | 30 Jan 2014 | | Trading Update | RNS |
| 16/01/14 | 07:00:12 | 16 Jan 2014 | | First Commercial Orders for Manufacturing Facility | RNS |
| 13/01/14 | 07:00:08 | 13 Jan 2014 | | Extension of InkSure Asset Purchase Agreement | RNS |
| 13/01/14 | 07:00:06 | 13 Jan 2014 | | Second G8 Central Bank Test Program | RNS |
| 19/11/13 | 07:00:10 | 19 Nov 2013 | | Judgment Reducing Potential Lawsuit Exposure | RNS |
| 14/11/13 | 07:00:14 | 14 Nov 2013 | | Approval to deliver suite of sensors worth $8m | RNS |
| 19/02/13 | 07:00:10 | 19 Feb 2013 | | Removal of Restrictions from Common Stock | RNS |
| 18/02/13 | 07:00:09 | 18 Feb 2013 | | Pre-Close Trading Update | RNS |
| 15/01/13 | 07:00:17 | 15 Jan 2013 | | Removal of Restrictions From Common Stock | RNS |