| 21/02/20 | 07:00:03 | 21 Feb 2020 | | Share Buy-Back | RNS |
| 08/01/20 | 07:00:06 | 8 Jan 2020 | | Evaluation of Feature for Asian Central Bank | RNS |
| 27/12/19 | 07:00:09 | 27 Dec 2019 | | Issuance of Patents and Trademarks | RNS |
| 11/11/19 | 15:30:46 | 11 Nov 2019 | | Holding(s) in Company | RNS |
| 30/10/19 | 13:39:59 | 30 Oct 2019 | | Holding(s) in Company | RNS |
| 16/10/19 | 08:00:07 | 16 Oct 2019 | | Holding(s) in Company | RNS |
| 02/10/19 | 08:00:08 | 2 Oct 2019 | | G7 Quality Control Equipment Service Contract | RNS |
| 25/09/19 | 15:59:56 | 25 Sept 2019 | | Holding(s) in Company | RNS |
| 24/09/19 | 08:00:02 | 24 Sept 2019 | | Interim Results | RNS |
| 17/09/19 | 08:00:13 | 17 Sept 2019 | | Funding Approval - G7 Central Bank | RNS |
| 29/08/19 | 16:48:38 | 29 Aug 2019 | | Currency News - Spectra Polymer Technology | RNS |
| 01/08/19 | 08:00:09 | 1 Aug 2019 | | Polymer Banknote Substrate Supply Agreement | RNS |
| 15/07/19 | 08:00:04 | 15 Jul 2019 | | New Lottery Security Contracts | RNS |
| 24/06/19 | 08:00:08 | 24 Jun 2019 | | Annual General Meeting Lack of Quorum | RNS |
| 11/06/19 | 08:00:03 | 11 Jun 2019 | | Five Year Optical Materials Supply Contract | RNS |
| 29/05/19 | 17:12:34 | 29 May 2019 | | Exercise of Options | RNS |
| 29/05/19 | 08:00:02 | 29 May 2019 | | Trading Update | RNS |
| 28/05/19 | 08:00:11 | 28 May 2019 | | Removal of Regulation S restrictions from shares | RNS |
| 17/05/19 | 16:21:56 | 17 May 2019 | | Removal of Regulation S restrictions from shares | RNS |
| 10/05/19 | 15:31:30 | 10 May 2019 | | Posting of AGM Notice | RNS |
| 10/05/19 | 15:15:48 | 10 May 2019 | | Share Buy-Back | RNS |
| 26/04/19 | 09:55:19 | 26 Apr 2019 | | Posting of Annual Report and Accounts | RNS |
| 24/04/19 | 08:00:04 | 24 Apr 2019 | | Removal of Regulation S Restrictions from Stock | RNS |
| 18/04/19 | 08:00:06 | 18 Apr 2019 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 15/04/19 | 08:00:06 | 15 Apr 2019 | | Updated CEO Employment Agreement | RNS |
| 25/03/19 | 07:00:08 | 25 Mar 2019 | | Preliminary Results | RNS |
| 18/03/19 | 07:00:03 | 18 Mar 2019 | | Trading Update | RNS |
| 22/02/19 | 09:04:23 | 22 Feb 2019 | | Director/PDMR Shareholding | RNS |
| 19/02/19 | 11:38:06 | 19 Feb 2019 | | Removal of Reg S restrictions from common stock | RNS |
| 19/02/19 | 07:00:14 | 19 Feb 2019 | | Date of Audited Results | RNS |
| 22/01/19 | 07:00:04 | 22 Jan 2019 | | Sensor Service Contract | RNS |
| 11/01/19 | 07:15:59 | 11 Jan 2019 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 09/01/19 | 07:00:01 | 9 Jan 2019 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 02/01/19 | 07:00:05 | 2 Jan 2019 | | First Orders for TruBrand in China | RNS |
| 19/12/18 | 16:16:58 | 19 Dec 2018 | | Removal of Reg S restrictions from common stock | RNS |
| 17/12/18 | 07:00:05 | 17 Dec 2018 | | Change of Registered Office | RNS |
| 10/12/18 | 07:44:23 | 10 Dec 2018 | | Trading Update: Additional phosphour orders | RNS |
| 20/11/18 | 15:48:48 | 20 Nov 2018 | | Exercise of Options | RNS |
| 10/10/18 | 15:37:41 | 10 Oct 2018 | | Holding(s) in Company | RNS |
| 24/09/18 | 08:00:09 | 24 Sept 2018 | | Interim Results - Six Months End 30 June 2018 | RNS |
| 12/09/18 | 10:58:31 | 12 Sept 2018 | | Removal of Reg S restrictions from common stock | RNS |
| 03/09/18 | 08:00:05 | 3 Sept 2018 | | Two New Lottery Wins and Results Date | RNS |
| 31/05/18 | 17:03:47 | 31 May 2018 | | Removal of Reg S restrictions from common stock | RNS |
| 14/05/18 | 08:00:06 | 14 May 2018 | | G20 Central Bank begins Funding Sensor Development | RNS |
| 24/04/18 | 17:32:32 | 24 Apr 2018 | | Posting of Annual Report and Accounts | RNS |
| 11/04/18 | 08:00:04 | 11 Apr 2018 | | Exercise of Options | RNS |
| 01/02/18 | 16:40:50 | 1 Feb 2018 | | Second Price Monitoring Extn | RNS |
| 01/02/18 | 07:00:06 | 1 Feb 2018 | | Trading Update | RNS |
| 15/01/18 | 07:00:03 | 15 Jan 2018 | | Licensing Agreement and Supply Agreement | RNS |
| 11/12/17 | 07:00:05 | 11 Dec 2017 | | Annual General Meeting Postponed | RNS |