| 05/06/23 | 07:00:08 | 5 Jun 2023 | | Holding(s) in Company | RNS |
| 02/06/23 | 07:00:06 | 2 Jun 2023 | | Notice of AGM and posting of Annual Report | RNS |
| 01/06/23 | 15:27:24 | 1 Jun 2023 | | AIM Rule 17 Schedule Two (g) Update | RNS |
| 01/06/23 | 08:55:55 | 1 Jun 2023 | | Holding(s) in Company | RNS |
| 24/05/23 | 07:00:14 | 24 May 2023 | | Appointment of Nominated Adviser and Broker | RNS |
| 17/05/23 | 07:00:10 | 17 May 2023 | | Mello investor conference | RNS |
| 04/05/23 | 07:00:10 | 4 May 2023 | | Investor Day | RNS |
| 03/05/23 | 07:00:06 | 3 May 2023 | | Final Results | RNS |
| 06/04/23 | 17:53:33 | 6 Apr 2023 | | Grant of Options | RNS |
| 03/04/23 | 17:53:05 | 3 Apr 2023 | | Grant of Options | RNS |
| 31/03/23 | 18:27:39 | 31 Mar 2023 | | Exercise of Options & Issue of Equity | RNS |
| 23/03/23 | 07:00:06 | 23 Mar 2023 | | Launch of range extension of neonatal ventilators | RNS |
| 01/03/23 | 07:00:06 | 1 Mar 2023 | | Change of Website | RNS |
| 17/02/23 | 14:05:42 | 17 Feb 2023 | | TR1 Notification | RNS |
| 16/02/23 | 07:00:05 | 16 Feb 2023 | | Trading Update | RNS |
| 09/12/22 | 14:27:17 | 9 Dec 2022 | | TR1 Notification | RNS |
| 08/12/22 | 13:10:30 | 8 Dec 2022 | | TR1 Notification | RNS |
| 05/12/22 | 07:00:04 | 5 Dec 2022 | | Board Changes | RNS |
| 30/11/22 | 10:28:31 | 30 Nov 2022 | | Director / PDMR Dealing | RNS |
| 28/11/22 | 14:05:28 | 28 Nov 2022 | | Second Price Monitoring Extn | RNS |
| 28/11/22 | 14:00:17 | 28 Nov 2022 | | Price Monitoring Extension | RNS |
| 28/11/22 | 09:05:52 | 28 Nov 2022 | | Second Price Monitoring Extn | RNS |
| 28/11/22 | 09:00:24 | 28 Nov 2022 | | Price Monitoring Extension | RNS |
| 28/11/22 | 07:00:08 | 28 Nov 2022 | | Update on Trading | RNS |
| 09/11/22 | 07:00:08 | 9 Nov 2022 | | Ukraine Order | RNS |
| 04/10/22 | 16:40:41 | 4 Oct 2022 | | Second Price Monitoring Extn | RNS |
| 04/10/22 | 16:35:49 | 4 Oct 2022 | | Price Monitoring Extension | RNS |
| 04/10/22 | 14:05:45 | 4 Oct 2022 | | Second Price Monitoring Extn | RNS |
| 04/10/22 | 14:00:32 | 4 Oct 2022 | | Price Monitoring Extension | RNS |
| 04/10/22 | 11:05:36 | 4 Oct 2022 | | Second Price Monitoring Extn | RNS |
| 04/10/22 | 11:00:25 | 4 Oct 2022 | | Price Monitoring Extension | RNS |
| 04/10/22 | 07:00:03 | 4 Oct 2022 | | Interim Results | RNS |
| 21/09/22 | 07:00:08 | 21 Sept 2022 | | Significant Japanese Order | RNS |
| 01/09/22 | 07:00:09 | 1 Sept 2022 | | Results date and Investor events | RNS |
| 15/08/22 | 07:00:04 | 15 Aug 2022 | | Trading Update | RNS |
| 13/07/22 | 07:00:04 | 13 Jul 2022 | | Capital Markets Day | RNS |
| 30/06/22 | 12:58:35 | 30 Jun 2022 | | Result of AGM | RNS |
| 30/06/22 | 07:00:07 | 30 Jun 2022 | | AGM Statement | RNS |
| 10/06/22 | 13:00:06 | 10 Jun 2022 | | Exercise of options and Total Voting Rights | RNS |
| 07/06/22 | 07:00:08 | 7 Jun 2022 | | £1.3 million Iraq Order | RNS |
| 06/06/22 | 07:00:08 | 6 Jun 2022 | | Annual Report 2022 and Notice of AGM | RNS |
| 24/05/22 | 07:00:14 | 24 May 2022 | | TR1 Notification | RNS |
| 20/05/22 | 15:09:22 | 20 May 2022 | | TR1 Notification | RNS |
| 19/05/22 | 07:00:13 | 19 May 2022 | | Mello Investor Conference | RNS |
| 04/05/22 | 07:00:04 | 4 May 2022 | | Final Results | RNS |
| 25/04/22 | 07:05:35 | 25 Apr 2022 | | Investor Presentation | RNS |
| 08/04/22 | 14:21:04 | 8 Apr 2022 | | Grant of Options | RNS |
| 01/04/22 | 07:00:10 | 1 Apr 2022 | | Launch of test to avoid hearing loss in neonates | RNS |
| 17/02/22 | 07:00:08 | 17 Feb 2022 | | Post Period Trading Update and Notice of Results | RNS |
| 14/02/22 | 07:00:07 | 14 Feb 2022 | | $1.37 million Egyptian Order | RNS |