| 10/08/26 | 14:00:00 | 10 Aug 2026 | | Fundraising, Posting of Circular & Notice of GM |
| 28/07/26 | 07:00:06 | 28 Jul 2026 | | First commercial agreement for EpiSwitch® Orion |
| 17/07/26 | 13:15:00 | 17 Jul 2026 | | Holding(s) in Company |
| 17/07/26 | 09:15:01 | 17 Jul 2026 | | Holding(s) in Company |
| 30/06/26 | 07:02:01 | 30 Jun 2026 | | US contract sales partnership |
| 30/06/26 | 07:01:01 | 30 Jun 2026 | | Interim Results |
| 30/06/26 | 07:00:06 | 30 Jun 2026 | | Appointment of Chief Executive Officer |
| 15/04/26 | 07:00:07 | 15 Apr 2026 | | Board Appointment |
| 30/03/26 | 16:07:09 | 30 Mar 2026 | | Holding(s) in Company |
| 20/03/26 | 12:03:15 | 20 Mar 2026 | | Holding(s) in Company |
| 03/03/26 | 09:30:00 | 3 Mar 2026 | | OBD to present at PMWC 2026 |
| 17/02/26 | 07:00:09 | 17 Feb 2026 | | Change of Nominated Adviser |
| 27/01/26 | 12:52:41 | 27 Jan 2026 | | Holding(s) in Company |
| 26/01/26 | 12:10:43 | 26 Jan 2026 | | Result of AGM |
| 26/01/26 | 07:00:07 | 26 Jan 2026 | | Board Change |
| 22/12/25 | 11:00:00 | 22 Dec 2025 | | Publication of 2025 Annual Report |
| 16/12/25 | 07:00:07 | 16 Dec 2025 | | Preliminary Results and Notice of AGM |
| 09/12/25 | 12:40:01 | 9 Dec 2025 | | Notice of Results |
| 03/12/25 | 07:00:08 | 3 Dec 2025 | | Statement re share price, update on EpiSwitch PSE |
| 25/11/25 | 14:05:00 | 25 Nov 2025 | | Holding(s) in Company |
| 12/11/25 | 07:00:16 | 12 Nov 2025 | | Holding(s) in Company |
| 11/11/25 | 14:12:00 | 11 Nov 2025 | | Holding(s) in Company |
| 11/11/25 | 14:11:00 | 11 Nov 2025 | | Holding(s) in Company |
| 11/11/25 | 14:10:00 | 11 Nov 2025 | | Holding(s) in Company |
| 10/11/25 | 07:00:10 | 10 Nov 2025 | | PDMR Dealing / Grant of Share Options |
| 07/11/25 | 11:32:14 | 7 Nov 2025 | | Result of General Meeting/PDMR Dealings |
| 22/10/25 | 07:00:10 | 22 Oct 2025 | | Fundraising, Posting of Circular & Notice of GM |
| 14/10/25 | 07:00:14 | 14 Oct 2025 | | OBD in New Report on NHS Prostate Cancer Screening |
| 08/10/25 | 07:00:06 | 8 Oct 2025 | | OBD and UEA develop test for Chronic Fatigue |
| 10/09/25 | 07:00:14 | 10 Sept 2025 | | Holding(s) in Company |
| 04/09/25 | 10:00:01 | 4 Sept 2025 | | Study confirms clinical utility of EpiSwitch CiRT |
| 13/08/25 | 07:00:04 | 13 Aug 2025 | | Collaboration with Google Cloud |
| 18/07/25 | 15:11:01 | 18 Jul 2025 | | Holding(s) in Company |
| 17/07/25 | 07:01:01 | 17 Jul 2025 | | GenomeWeb to host joint Agilent/OBD presentation |
| 17/07/25 | 07:00:10 | 17 Jul 2025 | | Holding(s) in Company |
| 15/07/25 | 17:20:00 | 15 Jul 2025 | | Holding(s) in Company |
| 15/07/25 | 07:00:11 | 15 Jul 2025 | | Pfizer study on EpiSwitch biomarkers |
| 01/07/25 | 15:00:58 | 1 Jul 2025 | | Holding(s) in Company |
| 30/06/25 | 07:00:10 | 30 Jun 2025 | | Interim Results |
| 27/06/25 | 13:30:00 | 27 Jun 2025 | | Holding(s) in Company |
| 09/05/25 | 07:00:07 | 9 May 2025 | | OBD’s Oxford Lab accredited by UKAS |
| 10/04/25 | 16:10:00 | 10 Apr 2025 | | Director/PDMR Shareholding |
| 02/04/25 | 07:00:10 | 2 Apr 2025 | | PDMR Dealing |
| 28/03/25 | 10:35:00 | 28 Mar 2025 | | Result of AGM |
| 17/03/25 | 07:00:09 | 17 Mar 2025 | | Board Changes |
| 14/03/25 | 17:25:00 | 14 Mar 2025 | | Holding(s) in Company |
| 13/03/25 | 07:00:17 | 13 Mar 2025 | | Expansion of OBD/Bupa UK insurance partnership |
| 05/03/25 | 16:00:01 | 5 Mar 2025 | | Publication of 2024 Annual Report |
| 03/03/25 | 07:00:11 | 3 Mar 2025 | | PDMR Dealing / Grant of Share Options |
| 28/02/25 | 07:00:08 | 28 Feb 2025 | | Preliminary Results and Notice of AGM |
