| 13/09/21 | 10:27:36 | 13 Sept 2021 | | Holding(s) in Company | RNS |
| 06/09/21 | 07:00:07 | 6 Sept 2021 | | New Optical Materials Customer | RNS |
| 06/09/21 | 07:00:06 | 6 Sept 2021 | | Interim Results for the Six Months 30 June 2021 | RNS |
| 25/08/21 | 11:23:42 | 25 Aug 2021 | | Removal of Regulation S restrictions | RNS |
| 21/07/21 | 07:00:03 | 21 Jul 2021 | | Banknote cleaning system also deactivates Covid-19 | RNS |
| 14/06/21 | 07:00:06 | 14 Jun 2021 | | Annual General Meeting Update | RNS |
| 17/05/21 | 17:12:30 | 17 May 2021 | | Share Buy-Back | RNS |
| 07/05/21 | 16:49:52 | 7 May 2021 | | Share Buy-Back | RNS |
| 06/05/21 | 14:58:27 | 6 May 2021 | | Share Buy-Back | RNS |
| 04/05/21 | 17:51:50 | 4 May 2021 | | Posting of Annual Report and Accounts, AGM Notice | RNS |
| 26/04/21 | 13:45:36 | 26 Apr 2021 | | Exercise of Options | RNS |
| 22/04/21 | 07:00:02 | 22 Apr 2021 | | New Lottery Contracts | RNS |
| 21/04/21 | 07:00:03 | 21 Apr 2021 | | Enhanced sensor capability contract | RNS |
| 19/04/21 | 13:46:45 | 19 Apr 2021 | | Exercise of Options | RNS |
| 08/04/21 | 07:00:03 | 8 Apr 2021 | | Allowance of Banknote Disinfection Patent | RNS |
| 01/04/21 | 15:29:08 | 1 Apr 2021 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 22/03/21 | 07:35:06 | 22 Mar 2021 | | Audited Results for the 12 months ended 31 Dec 20 | RNS |
| 10/02/21 | 07:00:04 | 10 Feb 2021 | | Exercise of Options | RNS |
| 09/02/21 | 14:11:57 | 9 Feb 2021 | | Appointment of Director | RNS |
| 02/02/21 | 07:00:03 | 2 Feb 2021 | | Second phase of contract for sensor development | RNS |
| 01/02/21 | 15:33:08 | 1 Feb 2021 | | Exercise of Options | RNS |
| 20/01/21 | 07:00:03 | 20 Jan 2021 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 05/01/21 | 16:02:43 | 5 Jan 2021 | | Directorate | RNS |
| 05/01/21 | 07:00:03 | 5 Jan 2021 | | Share Buy-Back | RNS |
| 14/12/20 | 07:01:04 | 14 Dec 2020 | | Two Lottery Renewals | RNS |
| 14/12/20 | 07:00:09 | 14 Dec 2020 | | Acquisition of interest - Solaris BioSciences, Inc | RNS |
| 18/11/20 | 07:00:09 | 18 Nov 2020 | | Issuance of TruBrand Patents in China | RNS |
| 21/10/20 | 09:06:35 | 21 Oct 2020 | | Second Price Monitoring Extn | RNS |
| 21/10/20 | 09:01:26 | 21 Oct 2020 | | Price Monitoring Extension | RNS |
| 21/10/20 | 07:00:02 | 21 Oct 2020 | | Contract with a Central Bank | RNS |
| 14/10/20 | 17:27:13 | 14 Oct 2020 | | Holding(s) in Company | RNS |
| 06/10/20 | 07:00:06 | 6 Oct 2020 | | Removal of Regulation S Restrictions | RNS |
| 11/09/20 | 16:34:27 | 11 Sept 2020 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 10/09/20 | 07:00:07 | 10 Sept 2020 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 07/09/20 | 07:00:08 | 7 Sept 2020 | | Interim Results for the Six Months 30 June 20 | RNS |
| 25/08/20 | 16:11:14 | 25 Aug 2020 | | Holding(s) in Company | RNS |
| 15/07/20 | 18:25:56 | 15 Jul 2020 | | Director Dealings | RNS |
| 09/07/20 | 07:00:05 | 9 Jul 2020 | | Contract with a Major Central Bank | RNS |
| 26/06/20 | 07:00:05 | 26 Jun 2020 | | Share Buy-Back | RNS |
| 25/06/20 | 07:00:07 | 25 Jun 2020 | | Share Buy-Back and Removal of Reg S Restrictions | RNS |
| 16/06/20 | 15:23:03 | 16 Jun 2020 | | Share Buy-Back | RNS |
| 10/06/20 | 07:00:06 | 10 Jun 2020 | | Asian Central Bank Contract Update | RNS |
| 26/05/20 | 07:00:14 | 26 May 2020 | | Director Dealings | RNS |
| 15/05/20 | 17:24:29 | 15 May 2020 | | Exercise of Options and Removal of Regulation S | RNS |
| 30/04/20 | 08:51:49 | 30 Apr 2020 | | Posting of Annual Report and Accounts | RNS |
| 14/04/20 | 07:00:10 | 14 Apr 2020 | | Donations to feed the hungry in a time of need | RNS |
| 03/04/20 | 17:56:28 | 3 Apr 2020 | | Share Buy-Back and Removal of Reg S Restrictions | RNS |
| 23/03/20 | 12:37:50 | 23 Mar 2020 | | Audited Results | RNS |
| 16/03/20 | 13:59:47 | 16 Mar 2020 | | Holding(s) in Company | RNS |
| 09/03/20 | 16:41:11 | 9 Mar 2020 | | Price Monitoring Extension | RNS |