| 13/04/26 | 13:08:42 | 13 Apr 2026 | | Result of General Meeting |
| 31/03/26 | 07:00:06 | 31 Mar 2026 | | Result of Retail Offer and Posting of Notice of GM |
| 26/03/26 | 07:05:01 | 26 Mar 2026 | | Retail Offer to raise up to £0.5 million |
| 26/03/26 | 07:00:06 | 26 Mar 2026 | | Results of Placing |
| 25/03/26 | 07:10:02 | 25 Mar 2026 | | Interim Results and Notice of Investor Webinar |
| 25/03/26 | 07:00:07 | 25 Mar 2026 | | Proposed Placing, Subscription and Retail Offer |
| 18/03/26 | 07:00:05 | 18 Mar 2026 | | Launch of targeted radiopharmaceutical programme |
| 10/03/26 | 15:26:47 | 10 Mar 2026 | | Block Listing Interim Review |
| 17/02/26 | 07:00:10 | 17 Feb 2026 | | Technical Feasibility for Pathogen Detector |
| 11/02/26 | 07:00:08 | 11 Feb 2026 | | Optimer® Technology in Launched Library Prep Kit |
| 29/01/26 | 07:00:09 | 29 Jan 2026 | | Contract wins and first cash licensing receipts |
| 07/01/26 | 16:04:07 | 7 Jan 2026 | | Trading update - Media comment and speculation |
| 07/01/26 | 07:00:04 | 7 Jan 2026 | | Half Year Trading Update |
| 23/12/25 | 07:00:06 | 23 Dec 2025 | | Aptamer signs licensing agreement with Alphazyme |
| 16/12/25 | 10:34:47 | 16 Dec 2025 | | Licensing agreement with Twist Bioscience |
| 27/11/25 | 13:01:04 | 27 Nov 2025 | | Results of 2025 Annual General Meeting |
| 27/11/25 | 07:00:08 | 27 Nov 2025 | | AGM Statement |
| 14/11/25 | 07:00:07 | 14 Nov 2025 | | Strong contract wins build commercial momentum |
| 04/11/25 | 07:00:12 | 4 Nov 2025 | | New contract with top five pharma company |
| 03/11/25 | 07:00:12 | 3 Nov 2025 | | Posting of Annual Report and Notice of AGM |
| 14/10/25 | 07:00:08 | 14 Oct 2025 | | Full Year Results for the 12mths to 30 June 2025 |
| 13/10/25 | 07:00:11 | 13 Oct 2025 | | New contract with top 10 pharma |
| 10/10/25 | 07:00:10 | 10 Oct 2025 | | Notice of Results, Analyst & Investor Presentation |
| 08/10/25 | 07:00:10 | 8 Oct 2025 | | Major top 3 global pharma contract win |
| 26/09/25 | 07:00:14 | 26 Sept 2025 | | Investor Event and Presentation |
| 11/09/25 | 07:00:17 | 11 Sept 2025 | | New contract with Metir plc |
| 09/09/25 | 07:00:17 | 9 Sept 2025 | | Notification of dealings by a director/PDMR |
| 02/09/25 | 07:00:11 | 2 Sept 2025 | | Therapeutic development agreement with Invizius |
| 28/08/25 | 07:00:11 | 28 Aug 2025 | | Block Listing Interim Review |
| 27/08/25 | 07:00:08 | 27 Aug 2025 | | Biomarker Discovery Service Launch |
| 22/08/25 | 07:00:07 | 22 Aug 2025 | | Update on licensing and development progress |
| 19/08/25 | 07:00:03 | 19 Aug 2025 | | Exercise of warrants |
| 18/08/25 | 15:44:12 | 18 Aug 2025 | | Holding(s) in Company |
| 18/08/25 | 07:00:06 | 18 Aug 2025 | | Contract extension with global pharma partner |
| 08/08/25 | 07:00:12 | 8 Aug 2025 | | Investor Technical Webinar |
| 07/08/25 | 17:24:51 | 7 Aug 2025 | | Holding(s) in Company |
| 05/08/25 | 08:05:50 | 5 Aug 2025 | | Holding(s) in Company |
| 31/07/25 | 13:29:07 | 31 Jul 2025 | | Investor Webinar |
| 31/07/25 | 07:00:14 | 31 Jul 2025 | | Trading Update |
| 28/07/25 | 12:25:28 | 28 Jul 2025 | | Holding(s) in Company |
| 24/07/25 | 11:48:40 | 24 Jul 2025 | | Result of General Meeting |
| 21/07/25 | 07:00:04 | 21 Jul 2025 | | Additional work commissioned by Unilever |
| 18/07/25 | 07:00:08 | 18 Jul 2025 | | Issue of Equity in lieu of Non-Exec Director Fees |
| 09/07/25 | 14:53:31 | 9 Jul 2025 | | Holding(s) in Company |
| 08/07/25 | 07:00:12 | 8 Jul 2025 | | Posting of Circular and Notice of General Meeting |
| 04/07/25 | 07:00:06 | 4 Jul 2025 | | Placing to raise £2.0 million |
| 30/06/25 | 07:00:11 | 30 Jun 2025 | | Liver fibrosis breakthrough with Optimer® platform |
| 25/06/25 | 07:00:08 | 25 Jun 2025 | | Agreement with global life sciences leader |
| 30/05/25 | 07:00:06 | 30 May 2025 | | Unilever second Optimer development programme |
| 15/05/25 | 07:01:00 | 15 May 2025 | | Aptamer Announces New Data at ASGCT |
