| 15/04/20 | 14:00:20 | 15 Apr 2020 | | Price Monitoring Extension | RNS |
| 15/04/20 | 11:05:33 | 15 Apr 2020 | | Second Price Monitoring Extn | RNS |
| 15/04/20 | 11:00:31 | 15 Apr 2020 | | Price Monitoring Extension | RNS |
| 14/04/20 | 09:06:06 | 14 Apr 2020 | | Second Price Monitoring Extn | RNS |
| 14/04/20 | 09:00:40 | 14 Apr 2020 | | Price Monitoring Extension | RNS |
| 14/04/20 | 07:01:05 | 14 Apr 2020 | | Holding(s) in Company | RNS |
| 14/04/20 | 07:00:09 | 14 Apr 2020 | | Holding(s) in Company | RNS |
| 31/03/20 | 12:52:16 | 31 Mar 2020 | | Holding(s) in Company | RNS |
| 30/03/20 | 15:01:18 | 30 Mar 2020 | | Holding(s) in Company | RNS |
| 30/03/20 | 12:06:05 | 30 Mar 2020 | | Second Price Monitoring Extn | RNS |
| 30/03/20 | 12:00:47 | 30 Mar 2020 | | Price Monitoring Extension | RNS |
| 25/03/20 | 07:00:06 | 25 Mar 2020 | | Business Update and SARS-COV-2 tests development | RNS |
| 04/03/20 | 15:33:59 | 4 Mar 2020 | | Grant of options | RNS |
| 13/02/20 | 09:53:53 | 13 Feb 2020 | | Holding(s) in Company | RNS |
| 11/02/20 | 16:00:03 | 11 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 06/02/20 | 16:30:24 | 6 Feb 2020 | | Holding(s) in Company | RNS |
| 05/02/20 | 17:38:59 | 5 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 05/02/20 | 17:32:16 | 5 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 05/02/20 | 16:45:01 | 5 Feb 2020 | | Holding(s) in Company | RNS |
| 04/02/20 | 16:25:06 | 4 Feb 2020 | | Director/PDMR Shareholding | RNS |
| 04/02/20 | 14:06:00 | 4 Feb 2020 | | Second Price Monitoring Extn | RNS |
| 04/02/20 | 14:00:35 | 4 Feb 2020 | | Price Monitoring Extension | RNS |
| 04/02/20 | 07:00:03 | 4 Feb 2020 | | Half-year Report | RNS |
| 15/01/20 | 07:00:06 | 15 Jan 2020 | | Notice of Results | RNS |
| 11/12/19 | 17:24:40 | 11 Dec 2019 | | Holding(s) in Company | RNS |
| 11/12/19 | 10:06:55 | 11 Dec 2019 | | Holding(s) in Company | RNS |
| 05/12/19 | 11:30:05 | 5 Dec 2019 | | Additional Listing | RNS |
| 03/12/19 | 07:00:13 | 3 Dec 2019 | | AIHL assay kit demonstrates high clinical accuracy | RNS |
| 27/11/19 | 16:23:42 | 27 Nov 2019 | | Result of AGM | RNS |
| 22/11/19 | 14:41:56 | 22 Nov 2019 | | Director/PDMR Shareholding | RNS |
| 18/11/19 | 07:00:07 | 18 Nov 2019 | | Antibiotic Induced Hearing Loss Assay CE marking | RNS |
| 06/11/19 | 07:00:05 | 6 Nov 2019 | | Notice of AGM and Change of Auditors | RNS |
| 22/10/19 | 16:07:13 | 22 Oct 2019 | | Holding(s) in Company | RNS |
| 22/10/19 | 16:06:08 | 22 Oct 2019 | | Holding(s) in Company | RNS |
| 07/10/19 | 08:00:11 | 7 Oct 2019 | | NHS Ethics approval for use of AIHL test in trials | RNS |
| 03/10/19 | 08:00:04 | 3 Oct 2019 | | Final Results | RNS |
| 09/09/19 | 08:00:08 | 9 Sept 2019 | | Notice of Results | RNS |
| 18/07/19 | 08:00:09 | 18 Jul 2019 | | Director/PDMR Shareholding | RNS |
| 09/07/19 | 08:00:04 | 9 Jul 2019 | | Trading Update | RNS |
| 05/04/19 | 09:29:40 | 5 Apr 2019 | | Director/PDMR Shareholding | RNS |
| 28/03/19 | 07:00:08 | 28 Mar 2019 | | Half-year Report | RNS |
| 16/01/19 | 13:21:45 | 16 Jan 2019 | | Holding(s) in Company | RNS |
| 15/01/19 | 07:00:05 | 15 Jan 2019 | | Trading update | RNS |
| 31/12/18 | 11:30:01 | 31 Dec 2018 | | Result of AGM | RNS |
| 12/12/18 | 07:49:07 | 12 Dec 2018 | | Holding(s) in Company | RNS |
| 10/12/18 | 16:44:59 | 10 Dec 2018 | | Holding(s) in Company | RNS |
| 10/12/18 | 15:40:54 | 10 Dec 2018 | | Holding(s) in Company | RNS |
| 10/12/18 | 11:04:15 | 10 Dec 2018 | | Holding(s) in Company | RNS |
| 07/12/18 | 15:07:20 | 7 Dec 2018 | | 2018 Annual Report and AGM Notice | RNS |
| 07/12/18 | 14:59:25 | 7 Dec 2018 | | Result of GM | RNS |
