| 24/04/26 | 18:14:00 | 24 Apr 2026 | | Director/PDMR Shareholding |
| 22/04/26 | 07:00:03 | 22 Apr 2026 | | HCT contract signed with ILiAD Biotechnologies |
| 17/04/26 | 07:00:08 | 17 Apr 2026 | | Annual Report & Notice of AGM |
| 15/04/26 | 07:00:06 | 15 Apr 2026 | | Final Results 2025 |
| 14/04/26 | 07:01:00 | 14 Apr 2026 | | hVIVO launches unified brand identity |
| 14/04/26 | 07:00:04 | 14 Apr 2026 | | Influenza HCT contract signed with Traws Pharma |
| 07/04/26 | 07:00:11 | 7 Apr 2026 | | Notice of Results |
| 26/03/26 | 17:19:02 | 26 Mar 2026 | | Holding(s) in Company |
| 27/02/26 | 15:31:01 | 27 Feb 2026 | | Holding(s) in Company |
| 23/02/26 | 07:00:12 | 23 Feb 2026 | | Issue of Equity and Total Voting Rights |
| 16/02/26 | 15:05:46 | 16 Feb 2026 | | Holding(s) in Company |
| 11/02/26 | 15:11:39 | 11 Feb 2026 | | Holding(s) in Company |
| 29/01/26 | 07:00:07 | 29 Jan 2026 | | Trading Update |
| 27/01/26 | 07:00:09 | 27 Jan 2026 | | Notice of Trading Update |
| 18/12/25 | 07:00:08 | 18 Dec 2025 | | Appointment of Non-Executive Director |
| 15/12/25 | 14:47:08 | 15 Dec 2025 | | CEO & CFO Share Purchase |
| 27/11/25 | 07:00:15 | 27 Nov 2025 | | MSD to acquire Cidara |
| 20/11/25 | 07:00:12 | 20 Nov 2025 | | >£5 million CRS contracts signed |
| 11/11/25 | 07:00:11 | 11 Nov 2025 | | Positive data from novel human challenge models |
| 06/11/25 | 17:05:00 | 6 Nov 2025 | | Holding(s) in Company |
| 03/11/25 | 07:00:12 | 3 Nov 2025 | | Presentation at Jefferies Healthcare Conference |
| 27/10/25 | 15:01:00 | 27 Oct 2025 | | Holding(s) in Company |
| 23/09/25 | 07:00:10 | 23 Sept 2025 | | Interim results |
| 04/09/25 | 07:00:19 | 4 Sept 2025 | | Notice of Results |
| 01/09/25 | 07:00:11 | 1 Sept 2025 | | Appointment of Non-Executive Chair |
| 29/07/25 | 07:00:13 | 29 Jul 2025 | | Proposed appointment of Chair |
| 22/07/25 | 07:00:07 | 22 Jul 2025 | | H1 Trading update |
| 18/07/25 | 07:00:08 | 18 Jul 2025 | | Directorate Change |
| 09/07/25 | 07:00:08 | 9 Jul 2025 | | Notice of Trading Update |
| 01/07/25 | 16:04:58 | 1 Jul 2025 | | Holding(s) in Company |
| 30/06/25 | 07:00:15 | 30 Jun 2025 | | Positive results from client Phase 2b field study |
| 05/06/25 | 13:00:01 | 5 Jun 2025 | | Result of AGM |
| 02/06/25 | 07:00:14 | 2 Jun 2025 | | Director/PDMR Shareholding |
| 30/05/25 | 07:00:09 | 30 May 2025 | | Trading update |
| 29/05/25 | 07:00:10 | 29 May 2025 | | Appointment of Independent Non-Executive Director |
| 12/05/25 | 07:00:11 | 12 May 2025 | | Annual Report, Notice of AGM & Directorate Change |
| 10/04/25 | 07:05:00 | 10 Apr 2025 | | Exercise of Options |
| 10/04/25 | 07:00:11 | 10 Apr 2025 | | Final results |
| 26/03/25 | 13:51:19 | 26 Mar 2025 | | AIM Rule 17 and Schedule 2(g) Update |
| 21/03/25 | 07:00:10 | 21 Mar 2025 | | Notice of Results |
| 07/03/25 | 07:00:10 | 7 Mar 2025 | | Director/PDMR Shareholding |
| 27/02/25 | 07:00:10 | 27 Feb 2025 | | Acquisition of Cryostore for up to £3.2m |
| 17/02/25 | 07:00:08 | 17 Feb 2025 | | £2m hMPV characterisation study contract |
| 05/02/25 | 07:00:07 | 5 Feb 2025 | | Shionogi reports positive RSV trial results |
| 03/02/25 | 07:00:07 | 3 Feb 2025 | | RSV contract signed with Inhalon Biopharma |
| 31/01/25 | 13:24:53 | 31 Jan 2025 | | Holding(s) in Company |
| 31/01/25 | 07:00:06 | 31 Jan 2025 | | Holding(s) in Company |
| 29/01/25 | 07:01:00 | 29 Jan 2025 | | Acquisition: two Clinical Research Units from CRS |
| 29/01/25 | 07:00:05 | 29 Jan 2025 | | Trading update |
| 27/01/25 | 07:00:06 | 27 Jan 2025 | | LOI signed for Phase 3 Whooping Cough trial |
