| 27/07/18 | 08:00:04 | 27 Jul 2018 | | OEM Design Award | RNS |
| 16/07/18 | 08:00:06 | 16 Jul 2018 | | Board changes | RNS |
| 05/07/18 | 08:00:07 | 5 Jul 2018 | | US Fleet (Guardian) Contract | RNS |
| 15/06/18 | 11:43:55 | 15 Jun 2018 | | Key Staff Recognised | RNS |
| 07/06/18 | 12:05:26 | 7 Jun 2018 | | Second Price Monitoring Extn | RNS |
| 07/06/18 | 12:00:19 | 7 Jun 2018 | | Price Monitoring Extension | RNS |
| 05/06/18 | 12:05:40 | 5 Jun 2018 | | Second Price Monitoring Extn | RNS |
| 05/06/18 | 12:00:35 | 5 Jun 2018 | | Price Monitoring Extension | RNS |
| 04/06/18 | 08:00:06 | 4 Jun 2018 | | Automotive design win with US OEM for FOVIO chip | RNS |
| 21/05/18 | 08:00:08 | 21 May 2018 | | Business Outlook Update | RNS |
| 18/05/18 | 11:14:49 | 18 May 2018 | | European Commission Agenda Affirms SEE Tech | RNS |
| 17/05/18 | 17:40:42 | 17 May 2018 | | Second Price Monitoring Extn | RNS |
| 17/05/18 | 17:35:16 | 17 May 2018 | | Price Monitoring Extension | RNS |
| 16/05/18 | 08:00:10 | 16 May 2018 | | Australian Distributor Expands Guardian Commitment | RNS |
| 09/05/18 | 17:40:31 | 9 May 2018 | | Second Price Monitoring Extn | RNS |
| 09/05/18 | 17:35:16 | 9 May 2018 | | Price Monitoring Extension | RNS |
| 26/04/18 | 08:08:35 | 26 Apr 2018 | | Automotive Design Award with Premium German OEM | RNS |
| 12/04/18 | 08:00:06 | 12 Apr 2018 | | Change of Adviser | RNS |
| 12/03/18 | 07:00:05 | 12 Mar 2018 | | Half Year Results to 31 December 2017 | RNS |
| 09/03/18 | 07:52:55 | 9 Mar 2018 | | Statement regarding Press Speculation | RNS |
| 28/02/18 | 07:00:09 | 28 Feb 2018 | | Notice of Results & Investor Events | RNS |
| 22/02/18 | 08:13:22 | 22 Feb 2018 | | Holding(s) in Company | RNS |
| 22/02/18 | 08:00:02 | 22 Feb 2018 | | Block Listing Cancellation | RNS |
| 21/02/18 | 09:00:01 | 21 Feb 2018 | | Directorate Change Update | RNS |
| 08/02/18 | 07:00:04 | 8 Feb 2018 | | Trading Update & Fleet, Rail and Off-Road Update | RNS |
| 29/01/18 | 07:00:05 | 29 Jan 2018 | | Directorate Change | RNS |
| 23/01/18 | 10:54:29 | 23 Jan 2018 | | Holding(s) in Company | RNS |
| 16/01/18 | 09:22:30 | 16 Jan 2018 | | Result of Offer and Total Voting Rights | RNS |
| 09/01/18 | 10:44:39 | 9 Jan 2018 | | Holding(s) in Company | RNS |
| 08/01/18 | 09:23:14 | 8 Jan 2018 | | Holding(s) in Company | RNS |
| 03/01/18 | 08:44:13 | 3 Jan 2018 | | Result of General Meeting and Total Voting Rights | RNS |
| 22/12/17 | 07:00:04 | 22 Dec 2017 | | Block Listing Return and Total Voting Rights | RNS |
| 05/12/17 | 15:57:50 | 5 Dec 2017 | | Successful Placing and Subscriptions to raise £35m | RNS |
| 04/12/17 | 17:33:44 | 4 Dec 2017 | | Proposed Accelerated Bookbuild | RNS |
| 30/11/17 | 07:00:07 | 30 Nov 2017 | | Dubai Distributor Wins Guardian Contracts in 2017 | RNS |
| 17/11/17 | 07:01:11 | 17 Nov 2017 | | Result of AGM | RNS |
| 17/11/17 | 07:00:05 | 17 Nov 2017 | | AGM Statement | RNS |
| 02/11/17 | 10:02:23 | 2 Nov 2017 | | Issue of Shares to Directors and Staff & TVR | RNS |
| 30/10/17 | 07:00:03 | 30 Oct 2017 | | New DMS Program Award | RNS |
| 25/10/17 | 10:00:05 | 25 Oct 2017 | | Holding(s) in Company | RNS |
| 25/10/17 | 08:00:04 | 25 Oct 2017 | | Emirates and Seeing Machines Collaboration | RNS |
| 24/10/17 | 08:00:04 | 24 Oct 2017 | | Euro NCAP and NTSB - Driver Monitoring Systems | RNS |
| 23/10/17 | 08:00:04 | 23 Oct 2017 | | Notice of AGM | RNS |
| 17/10/17 | 13:40:40 | 17 Oct 2017 | | Business Outlook Update | RNS |
| 10/10/17 | 10:56:02 | 10 Oct 2017 | | Holding(s) in Company | RNS |
| 10/10/17 | 08:00:02 | 10 Oct 2017 | | GM 2018 Cadillac CT6 Super Cruise System | RNS |
| 11/09/17 | 08:00:06 | 11 Sept 2017 | | Final Results | RNS |
| 08/09/17 | 13:10:01 | 8 Sept 2017 | | Notice of Results | RNS |
| 08/09/17 | 08:00:02 | 8 Sept 2017 | | Global Agreement with Progress Rail | RNS |
| 23/08/17 | 11:37:01 | 23 Aug 2017 | | Holding(s) in Company | RNS |