| 31/07/26 | 17:37:59 | 31 Jul 2026 | | Annual General Meeting Lack of Quorum | RNS |
| 23/07/26 | 07:00:05 | 23 Jul 2026 | | Swiss Post Converts to Hybrid Stamps | RNS |
| 09/07/26 | 12:26:04 | 9 Jul 2026 | | Sensor order update | RNS |
| 08/07/26 | 16:51:16 | 8 Jul 2026 | | Notice of AGM | RNS |
| 11/06/26 | 07:00:03 | 11 Jun 2026 | | Exercise of Options and Total Voting Rights | RNS |
| 22/05/26 | 14:45:01 | 22 May 2026 | | Additional Sensor order | RNS |
| 16/04/26 | 07:00:07 | 16 Apr 2026 | | Exercise of Options and Total Voting Rights | RNS |
| 08/04/26 | 07:00:07 | 8 Apr 2026 | | Exercise of Options and Total Voting Rights | RNS |
| 30/03/26 | 07:00:11 | 30 Mar 2026 | | Audited results for year ended 31 December 2025 | RNS |
| 05/02/26 | 07:00:08 | 5 Feb 2026 | | Executed Contract with HMRC for Vaping Duty Stamps | RNS |
| 16/01/26 | 07:00:06 | 16 Jan 2026 | | Successful Bid for HMRC Vaping Duty Stamps Scheme | RNS |
| 08/12/25 | 07:00:07 | 8 Dec 2025 | | Transaction in Own Shares & TVR | RNS |
| 26/11/25 | 07:01:00 | 26 Nov 2025 | | Transaction in Own Shares & TVR | RNS |
| 26/11/25 | 07:00:11 | 26 Nov 2025 | | Maintenance contract for new sensors | RNS |
| 25/11/25 | 07:00:22 | 25 Nov 2025 | | Share Buyback Programme | RNS |
| 16/10/25 | 07:00:05 | 16 Oct 2025 | | Appointment of Finance Director | RNS |
| 29/09/25 | 07:00:15 | 29 Sept 2025 | | Interim Results for Six Months Ended 30 June 2025 | RNS |
| 09/09/25 | 14:59:29 | 9 Sept 2025 | | Notice of Interim Results | RNS |
| 27/06/25 | 07:00:03 | 27 Jun 2025 | | Exercise of Options | RNS |
| 24/06/25 | 16:48:22 | 24 Jun 2025 | | Annual General Meeting Lack of Quorum | RNS |
| 11/06/25 | 07:00:11 | 11 Jun 2025 | | Notice of AGM | RNS |
| 27/05/25 | 17:33:45 | 27 May 2025 | | Appointment of Finance Director | RNS |
| 09/04/25 | 16:55:32 | 9 Apr 2025 | | Holding(s) in Company | RNS |
| 07/04/25 | 07:00:10 | 7 Apr 2025 | | Exercise of Options & Removal of Reg S | RNS |
| 31/03/25 | 07:00:08 | 31 Mar 2025 | | Audited results for year ended 31 December 2024 | RNS |
| 09/01/25 | 07:00:04 | 9 Jan 2025 | | Exercise of Options | RNS |
| 18/12/24 | 15:58:53 | 18 Dec 2024 | | Exercise of Options | RNS |
| 18/12/24 | 07:00:02 | 18 Dec 2024 | | $9.4M downpayment on sensor manufacturing contract | RNS |
| 21/10/24 | 16:00:00 | 21 Oct 2024 | | Holding(s) in Company | RNS |
| 30/09/24 | 07:00:08 | 30 Sept 2024 | | Interim Results | RNS |
| 20/08/24 | 16:35:00 | 20 Aug 2024 | | Removal of Reg S restrictions from common stock | RNS |
| 30/07/24 | 07:00:08 | 30 Jul 2024 | | Annual General Meeting Lack of Quorum | RNS |
| 18/07/24 | 16:52:29 | 18 Jul 2024 | | Holding(s) in Company | RNS |
| 16/07/24 | 07:00:03 | 16 Jul 2024 | | New $37.9 million sensor manufacturing contract | RNS |
| 15/07/24 | 07:00:05 | 15 Jul 2024 | | Change of Nominated Adviser and Broker | RNS |
| 28/06/24 | 13:46:10 | 28 Jun 2024 | | Replacement: Posting of Annual Report | RNS |
| 28/06/24 | 10:14:12 | 28 Jun 2024 | | Posting of Annual Report and Notice of AGM | RNS |
| 03/06/24 | 07:00:05 | 3 Jun 2024 | | Issue of Equity & Update to Dividend Timetable | RNS |
| 27/03/24 | 07:00:07 | 27 Mar 2024 | | Audited results for 12 months ended 31 Dec 2023 | RNS |
| 11/01/24 | 07:00:01 | 11 Jan 2024 | | Exercise of Options and Director/PDMR Shareholding | RNS |
| 28/12/23 | 07:00:01 | 28 Dec 2023 | | Exercise of Options | RNS |
| 21/12/23 | 12:15:48 | 21 Dec 2023 | | Completion of Acquisition | RNS |
| 15/12/23 | 16:35:00 | 15 Dec 2023 | | Exercise of Options and transfer of shares | RNS |
| 04/12/23 | 07:00:04 | 4 Dec 2023 | | Acquisition of Cartor Holdings Limited | RNS |
| 06/11/23 | 16:43:50 | 6 Nov 2023 | | TR-1 | RNS |
| 12/10/23 | 07:00:10 | 12 Oct 2023 | | Largest Central Bank Consumables Order | RNS |
| 25/09/23 | 07:00:05 | 25 Sept 2023 | | Interim Results for Six Months Ended 30 June 2023 | RNS |
| 07/07/23 | 18:01:52 | 7 Jul 2023 | | Removal of Regulation S restrictions from shares | RNS |
| 26/06/23 | 15:22:13 | 26 Jun 2023 | | Annual General Meeting Lack of Quorum | RNS |
| 30/05/23 | 07:00:09 | 30 May 2023 | | Appointment of Chief Financial Officer | RNS |
