| 09/04/25 | 07:00:01 | 9 Apr 2025 | | Cancellation - Synairgen plc |
| 03/04/25 | 07:00:07 | 3 Apr 2025 | | Update on trading post cancellation |
| 28/03/25 | 14:21:56 | 28 Mar 2025 | | Result of General Meeting |
| 11/03/25 | 07:00:10 | 11 Mar 2025 | | Proposed cancellation of trading on AIM |
| 17/01/25 | 12:55:22 | 17 Jan 2025 | | Holding(s) in Company |
| 16/01/25 | 15:42:53 | 16 Jan 2025 | | Martin Murphy appointed as Non-Executive Director |
| 16/01/25 | 15:42:41 | 16 Jan 2025 | | Result of General Meeting and Total Voting Rights |
| 15/01/25 | 17:37:14 | 15 Jan 2025 | | £18m raised to fund Phase 2 INVENT clinical trial |
| 20/12/24 | 07:00:08 | 20 Dec 2024 | | Proposed Fundraising |
| 30/10/24 | 18:09:00 | 30 Oct 2024 | | Exercise of Share Options and Total Voting Rights |
| 10/10/24 | 17:05:10 | 10 Oct 2024 | | Results of AGM and Appointment of New Chairman |
| 26/09/24 | 07:00:12 | 26 Sept 2024 | | Interim Results |
| 18/09/24 | 07:00:09 | 18 Sept 2024 | | Appointment of New Chairman and Notice of AGM |
| 05/09/24 | 07:00:14 | 5 Sept 2024 | | Board Change |
| 27/06/24 | 07:00:11 | 27 Jun 2024 | | 2023 Full Year Results |
| 15/11/23 | 07:00:13 | 15 Nov 2023 | | Grant of Options |
| 11/10/23 | 07:00:12 | 11 Oct 2023 | | Appointment of New Chief Financial Officer |
| 03/10/23 | 07:00:09 | 3 Oct 2023 | | Appointment of Chief Medical Officer |
| 21/09/23 | 07:00:06 | 21 Sept 2023 | | Interim Results |
| 29/06/23 | 18:02:47 | 29 Jun 2023 | | Result of AGM |
| 29/06/23 | 10:00:01 | 29 Jun 2023 | | Annual General Meeting Presentation |
| 22/06/23 | 07:00:06 | 22 Jun 2023 | | Grant of Options |
| 23/05/23 | 07:00:02 | 23 May 2023 | | Posting of Annual Report and Notice of AGM |
| 27/04/23 | 07:00:07 | 27 Apr 2023 | | 2022 Full Year Results |
| 17/04/23 | 07:00:07 | 17 Apr 2023 | | Notice of Full Year results |
| 13/03/23 | 16:40:58 | 13 Mar 2023 | | Second Price Monitoring Extn |
| 13/03/23 | 16:35:40 | 13 Mar 2023 | | Price Monitoring Extension |
| 03/02/23 | 16:40:46 | 3 Feb 2023 | | Second Price Monitoring Extn |
| 03/02/23 | 16:35:31 | 3 Feb 2023 | | Price Monitoring Extension |
| 17/01/23 | 16:35:33 | 17 Jan 2023 | | Price Monitoring Extension |
| 13/01/23 | 16:40:35 | 13 Jan 2023 | | Second Price Monitoring Extn |
| 13/01/23 | 16:35:20 | 13 Jan 2023 | | Price Monitoring Extension |
| 23/12/22 | 11:30:29 | 23 Dec 2022 | | SPRINTER Trial Results Published |
| 14/12/22 | 16:35:36 | 14 Dec 2022 | | Price Monitoring Extension |
| 01/12/22 | 07:00:06 | 1 Dec 2022 | | Board Changes |
| 07/11/22 | 16:40:46 | 7 Nov 2022 | | Second Price Monitoring Extn |
| 07/11/22 | 16:35:40 | 7 Nov 2022 | | Price Monitoring Extension |
| 03/11/22 | 16:40:32 | 3 Nov 2022 | | Second Price Monitoring Extn |
| 03/11/22 | 16:35:38 | 3 Nov 2022 | | Price Monitoring Extension |
| 20/10/22 | 16:35:45 | 20 Oct 2022 | | Price Monitoring Extension |
| 06/10/22 | 13:35:01 | 6 Oct 2022 | | Holding(s) in Company |
| 04/10/22 | 07:02:04 | 4 Oct 2022 | | Data from the US NIH-led ACTIV-2 Phase 2 trial |
| 29/09/22 | 07:01:03 | 29 Sept 2022 | | Board Changes |
| 29/09/22 | 07:00:12 | 29 Sept 2022 | | Interim Results |
| 20/09/22 | 07:00:11 | 20 Sept 2022 | | SPRINTER Long COVID data presented at IDWeek |
| 15/09/22 | 07:00:14 | 15 Sept 2022 | | Notice of Interim Results |
| 08/09/22 | 16:40:43 | 8 Sept 2022 | | Second Price Monitoring Extn |
| 08/09/22 | 16:35:56 | 8 Sept 2022 | | Price Monitoring Extension |
| 07/09/22 | 07:00:03 | 7 Sept 2022 | | Positive Findings from SG015 Tri-al Analysis |
| 05/09/22 | 07:00:11 | 5 Sept 2022 | | Company Announce Collaboration on UNIVERSAL Trial |
