| 23/10/18 | 18:29:26 | 23 Oct 2018 | | Annual Report and Accounts | RNS |
| 23/10/18 | 16:28:35 | 23 Oct 2018 | | Holdings in Company | RNS |
| 26/09/18 | 08:00:04 | 26 Sept 2018 | | Preliminary Results | RNS |
| 27/07/18 | 18:26:06 | 27 Jul 2018 | | Holding(s) in Company | RNS |
| 26/07/18 | 13:02:44 | 26 Jul 2018 | | Holding(s) in Company | RNS |
| 19/07/18 | 11:19:20 | 19 Jul 2018 | | Results of Placing and Subscription | RNS |
| 19/07/18 | 08:00:05 | 19 Jul 2018 | | Proposed placing & subscription to raise £10.6m | RNS |
| 16/07/18 | 09:53:03 | 16 Jul 2018 | | BLOCK LISTING SIX MONTHLY RETURN | RNS |
| 12/07/18 | 08:00:05 | 12 Jul 2018 | | Trading Update | RNS |
| 29/05/18 | 08:00:16 | 29 May 2018 | | Positive data with house-dust mite immunotherapy | RNS |
| 21/05/18 | 08:00:10 | 21 May 2018 | | Positive top-line results from Grass Ph II study | RNS |
| 14/05/18 | 08:00:11 | 14 May 2018 | | Publication of MCT Adjuvant Data | RNS |
| 16/03/18 | 15:38:33 | 16 Mar 2018 | | Grant of Awards under Long Term Incentive Plan | RNS |
| 16/03/18 | 12:53:05 | 16 Mar 2018 | | Director/PDMR Shareholding | RNS |
| 07/03/18 | 09:30:01 | 7 Mar 2018 | | Hardman: Clinical development towards submission | RNS |
| 07/03/18 | 07:00:04 | 7 Mar 2018 | | Interim Results | RNS |
| 28/02/18 | 07:00:04 | 28 Feb 2018 | | Polyvac® Peanut CMO appointed | RNS |
| 12/02/18 | 07:00:05 | 12 Feb 2018 | | Completion of recruitment in PQ Grass Ph II trial | RNS |
| 02/02/18 | 07:15:01 | 2 Feb 2018 | | Hardman Research: Growth in a tough market | RNS |
| 31/01/18 | 07:00:05 | 31 Jan 2018 | | Trading Update | RNS |
| 10/01/18 | 15:19:54 | 10 Jan 2018 | | Holdings in Company | RNS |
| 09/01/18 | 07:00:04 | 9 Jan 2018 | | PQ Birch Phase III trial completes recruitment | RNS |
| 12/12/17 | 07:00:06 | 12 Dec 2017 | | Co-development agreement with Ergomed plc | RNS |
| 07/12/17 | 17:08:34 | 7 Dec 2017 | | Holding(s) in Company | RNS |
| 22/11/17 | 11:36:37 | 22 Nov 2017 | | Result of AGM | RNS |
| 21/11/17 | 07:00:09 | 21 Nov 2017 | | Block Listing Application | RNS |
| 13/11/17 | 07:00:06 | 13 Nov 2017 | | Allergy Therapeutics to Present at Jefferies 2017 | RNS |
| 07/11/17 | 12:59:35 | 7 Nov 2017 | | Director/PDMR Shareholding | RNS |
| 07/11/17 | 11:54:35 | 7 Nov 2017 | | Director/PDMR Shareholding | RNS |
| 19/10/17 | 17:14:11 | 19 Oct 2017 | | Publication of Annual Report and notice of AGM | RNS |
| 12/10/17 | 18:39:54 | 12 Oct 2017 | | Holding(s) in Company | RNS |
| 12/10/17 | 15:55:04 | 12 Oct 2017 | | Director/PDMR Shareholding | RNS |
| 10/10/17 | 08:15:01 | 10 Oct 2017 | | Hardman Research: Continuing to gain market share | RNS |
| 28/09/17 | 08:00:06 | 28 Sept 2017 | | Preliminary Results | RNS |
| 18/09/17 | 08:00:06 | 18 Sept 2017 | | Approval for PQ Grass Phase II trial | RNS |
| 11/09/17 | 08:00:02 | 11 Sept 2017 | | Expansion of Clinical Development and R&D teams | RNS |
| 15/08/17 | 08:00:05 | 15 Aug 2017 | | Notice of Results | RNS |
| 18/07/17 | 08:00:08 | 18 Jul 2017 | | Trading Update | RNS |
| 06/07/17 | 08:00:07 | 6 Jul 2017 | | Publication of adjuvant studies in journals | RNS |
| 27/06/17 | 08:00:05 | 27 Jun 2017 | | Investor and analyst site visits | RNS |
| 19/06/17 | 08:00:03 | 19 Jun 2017 | | Satellite Symposium at EAACI 2017 | RNS |
| 06/06/17 | 08:00:06 | 6 Jun 2017 | | Directorate changes | RNS |
| 02/06/17 | 13:55:15 | 2 Jun 2017 | | Holding(s) in Company | RNS |
| 13/04/17 | 08:00:06 | 13 Apr 2017 | | Issue of Equity | RNS |
| 05/04/17 | 08:15:04 | 5 Apr 2017 | | Hardman Research: Development across portfolio | RNS |
| 29/03/17 | 08:00:23 | 29 Mar 2017 | | Interim Results for six months ended 31 Dec 2016 | RNS |
| 16/03/17 | 07:00:08 | 16 Mar 2017 | | First Patient in Pivotal Phase III Birch Study | RNS |
| 09/03/17 | 07:00:20 | 9 Mar 2017 | | Notice of Interim Results | RNS |
| 14/02/17 | 07:00:08 | 14 Feb 2017 | | House Dust Mite Allergy Vaccine Gains CTA Approval | RNS |
| 08/02/17 | 07:00:09 | 8 Feb 2017 | | Directorate Change | RNS |