| 13/02/20 | 16:35:59 | 13 Feb 2020 | | Price Monitoring Extension | RNS |
| 23/01/20 | 07:00:10 | 23 Jan 2020 | | Publication of Annual Report and Notice of AGM | RNS |
| 15/01/20 | 14:15:01 | 15 Jan 2020 | | EpiSwitch used in diagnosis of canine lymphoma | RNS |
| 20/12/19 | 07:00:03 | 20 Dec 2019 | | OBD enters into master service agreement | RNS |
| 11/12/19 | 11:00:24 | 11 Dec 2019 | | PDMR Shareholding | RNS |
| 10/12/19 | 07:00:10 | 10 Dec 2019 | | Prelim Results for year ended 30 September 2019 | RNS |
| 19/11/19 | 07:00:14 | 19 Nov 2019 | | Notice of Results | RNS |
| 08/11/19 | 07:02:08 | 8 Nov 2019 | | OBD's EpiSwitch featured in presentations | RNS |
| 30/10/19 | 07:00:05 | 30 Oct 2019 | | OBD appoints Iain McInnes to Advisory Board | RNS |
| 25/10/19 | 08:00:05 | 25 Oct 2019 | | First patient enrolled in ALS biomarker study | RNS |
| 12/09/19 | 13:43:30 | 12 Sept 2019 | | PDMR Dealing | RNS |
| 10/09/19 | 11:26:15 | 10 Sept 2019 | | PDMR Dealing | RNS |
| 09/09/19 | 13:48:02 | 9 Sept 2019 | | PDMR Dealing | RNS |
| 06/09/19 | 11:59:56 | 6 Sept 2019 | | PDMR Dealing | RNS |
| 03/09/19 | 10:47:35 | 3 Sept 2019 | | PDMR Dealing | RNS |
| 02/09/19 | 12:18:28 | 2 Sept 2019 | | PDMR Dealing | RNS |
| 29/08/19 | 16:30:35 | 29 Aug 2019 | | PDMR Dealing | RNS |
| 28/08/19 | 11:11:51 | 28 Aug 2019 | | PDMR Dealing | RNS |
| 15/08/19 | 11:59:59 | 15 Aug 2019 | | PDMR Dealing | RNS |
| 14/08/19 | 14:15:37 | 14 Aug 2019 | | PDMR Dealing | RNS |
| 05/08/19 | 12:19:20 | 5 Aug 2019 | | PDMR Dealing | RNS |
| 01/08/19 | 10:51:18 | 1 Aug 2019 | | PDMR Dealing | RNS |
| 26/07/19 | 12:57:00 | 26 Jul 2019 | | PDMR Shareholding | RNS |
| 19/07/19 | 08:00:03 | 19 Jul 2019 | | OBD to present at MAC10 | RNS |
| 09/07/19 | 08:00:10 | 9 Jul 2019 | | Director/PDMR Shareholding | RNS |
| 13/06/19 | 08:00:16 | 13 Jun 2019 | | OBD appoints Dr Bartu Ahiska | RNS |
| 12/06/19 | 08:00:06 | 12 Jun 2019 | | PDMR Dealing / Grant of Share Options | RNS |
| 31/05/19 | 08:00:05 | 31 May 2019 | | Board Transition | RNS |
| 28/05/19 | 08:00:10 | 28 May 2019 | | Interim Results for 6 months ended 31 March 2019 | RNS |
| 03/05/19 | 15:00:03 | 3 May 2019 | | OBD joins ALS Biomarker study sponsored by MTPA | RNS |
| 29/04/19 | 08:50:55 | 29 Apr 2019 | | Notice of Interim Results | RNS |
| 23/04/19 | 08:00:08 | 23 Apr 2019 | | Queen's Award for Enterprise | RNS |
| 05/04/19 | 10:30:03 | 5 Apr 2019 | | Board Appointments | RNS |
| 02/04/19 | 08:00:22 | 2 Apr 2019 | | OBD US subsidiary and commercial lead | RNS |
| 19/03/19 | 07:00:27 | 19 Mar 2019 | | OBD joins Imperial in a prostate cancer trial | RNS |
| 14/03/19 | 14:13:50 | 14 Mar 2019 | | Results of Annual General Meeting | RNS |
| 15/02/19 | 10:01:52 | 15 Feb 2019 | | Director/PDMR Shareholding | RNS |
| 25/01/19 | 07:00:04 | 25 Jan 2019 | | Publication of Annual Report and Notice of AGM | RNS |
| 11/01/19 | 07:00:04 | 11 Jan 2019 | | Board Transition | RNS |
| 11/12/18 | 07:00:15 | 11 Dec 2018 | | Final Results | RNS |
| 03/12/18 | 10:10:50 | 3 Dec 2018 | | Total Voting Rights | RNS |
| 23/11/18 | 07:00:03 | 23 Nov 2018 | | Notice of results for year ended 30 Sept 2018 | RNS |
| 12/11/18 | 07:00:06 | 12 Nov 2018 | | Collaboration into identifying diagnosis of Autism | RNS |
| 08/11/18 | 07:00:18 | 8 Nov 2018 | | OBD signs fifth collaboration agreement | RNS |
| 07/11/18 | 07:00:05 | 7 Nov 2018 | | Study published in Faculty of 1000 Research | RNS |
| 06/11/18 | 07:00:06 | 6 Nov 2018 | | Issue of Equity | RNS |
| 01/11/18 | 17:17:09 | 1 Nov 2018 | | Total Voting Rights | RNS |
| 02/10/18 | 08:00:06 | 2 Oct 2018 | | Issue of Equity | RNS |
| 26/09/18 | 08:00:04 | 26 Sept 2018 | | Issue of Equity | RNS |
| 18/09/18 | 08:00:20 | 18 Sept 2018 | | Consortium with OBD receives ?4m Horizon 2020 fund | RNS |
