| 15.04.2021 06:30 | SPT | Change of Director Details | RNS |
| 08.04.2021 09:28 | SPT | Director/PDMR Shareholding | RNS |
| 01.04.2021 07:35 | SPT | Total Voting Rights | RNS |
| 31.03.2021 15:08 | AV., SPT | Holding(s) in Company | RNS |
| 29.03.2021 14:08 | SPT | Appointment of Non-executive Director | RNS |
| 25.03.2021 11:25 | SPT | Director/PDMR Shareholding | RNS |
| 24.03.2021 13:55 | SPT | Annual Report 2020 and Associated Documents | RNS |
| 18.03.2021 16:49 | SPT | Holding(s) in Company | RNS |
| 18.03.2021 09:10 | SPT | Director/PDMR Shareholding | RNS |
| 12.03.2021 12:22 | SPT | Director/PDMR Shareholding | RNS |
| 11.03.2021 14:57 | SPT | Director/PDMR Shareholding | RNS |
| 11.03.2021 07:00 | SPT | Full Year Results | RNS |
| 05.03.2021 07:00 | SPT | Acquisition of octoScope, Inc. | RNS |
| 01.03.2021 16:31 | AV., SPT | Holding(s) in Company | RNS |
| 01.03.2021 09:44 | SPT | Total Voting Rights | RNS |
| 25.02.2021 09:13 | SPT | Director/PDMR Shareholding | RNS |
| 12.02.2021 15:28 | SPT | Holding(s) in Company | RNS |
| 12.02.2021 09:09 | SPT | Holding(s) in Company | RNS |
| 01.02.2021 08:52 | SPT | Total Voting Rights | RNS |
| 26.01.2021 12:20 | SPT | Director/PDMR Shareholding | RNS |
| 20.01.2021 15:05 | SPT | Holding(s) in Company | RNS |
| 18.01.2021 07:00 | SPT | Trading Update | RNS |
| 06.01.2021 13:44 | SPT | Holding(s) in Company | RNS |
| 04.01.2021 10:03 | SPT | Block listing Interim Review | RNS |
| 04.01.2021 09:39 | SPT | Holding(s) in Company | RNS |
| 04.01.2021 08:49 | SPT | Total Voting Rights | RNS |
| 29.12.2020 11:48 | SPT | Director/PDMR Shareholding | RNS |
| 01.12.2020 10:33 | SPT | Total Voting Rights | RNS |
| 24.11.2020 14:30 | SPT | Director/PDMR Shareholding | RNS |
| 20.11.2020 10:12 | SPT | Director/PDMR Shareholding | RNS |
| 12.11.2020 07:00 | SPT | Third Quarter 2020 Trading Update | RNS |
| 02.11.2020 08:46 | SPT | Total Voting Rights | RNS |
| 27.10.2020 14:06 | AV., SPT | Holding(s) in Company | RNS |
| 27.10.2020 09:12 | SPT | Director/PDMR Shareholding | RNS |
| 08.10.2020 11:00 | SPT | Capital Markets Day 2020 | RNS |
| 06.10.2020 09:27 | SPT | Director/PDMR Shareholding | RNS |
| 01.10.2020 07:44 | SPT | Total Voting Rights | RNS |
| 24.09.2020 15:15 | SPT | Director/PDMR Shareholding | RNS |
| 01.09.2020 07:52 | SPT | Total Voting Rights | RNS |
| 24.08.2020 15:11 | SPT | Director/PDMR Shareholding | RNS |
| 06.08.2020 06:00 | SPT | Half-year Report | RNS |
| 04.08.2020 11:32 | SPT | Holding(s) in Company | RNS |
| 03.08.2020 08:20 | SPT | Total Voting Rights | RNS |
| 27.07.2020 07:59 | SPT | Director/PDMR Shareholding | RNS |
| 06.07.2020 07:48 | SPT | Block listing Interim Review | RNS |
| 01.07.2020 08:00 | SPT | Notice of 2020 Half Year Results Presentation | RNS |
| 01.07.2020 07:53 | SPT | Total Voting Rights | RNS |
| 24.06.2020 15:28 | SPT | Director/PDMR Shareholding | RNS |
| 10.06.2020 07:51 | SPT | Holding(s) in Company | RNS |
| 05.06.2020 15:52 | AV., SPT | Holding(s) in Company | RNS |
| 01.06.2020 11:50 | SPT | Holding(s) in Company | RNS |
| 01.06.2020 08:27 | SPT | Total Voting Rights | RNS |
| 27.05.2020 08:28 | SPT | Director/PDMR Shareholding | RNS |
| 11.05.2020 13:17 | SPT | Director/PDMR Shareholding | RNS |
| 11.05.2020 13:17 | SPT | Director/PDMR Shareholding | RNS |
| 07.05.2020 15:23 | SPT | Director/PDMR Shareholding | RNS |
| 07.05.2020 09:04 | SPT | Disclosure of Rights attached to Equity Shares | RNS |
| 06.05.2020 13:36 | SPT | Director/PDMR Shareholding | RNS |
| 05.05.2020 14:46 | SPT | Holding(s) in Company | RNS |
| 05.05.2020 11:38 | SPT | Director/PDMR Shareholding | RNS |
| 01.05.2020 08:00 | SPT | Total Voting Rights | RNS |
| 29.04.2020 13:35 | SPT | Result of AGM | RNS |
| 28.04.2020 07:59 | SPT | Holding(s) in Company | RNS |
| 24.04.2020 15:18 | SPT | Director/PDMR Shareholding | RNS |
| 15.04.2020 09:06 | SPT | 2020 Annual General Meeting | RNS |
| 15.04.2020 06:00 | SPT | First Quarter 2020 Trading Update | RNS |
| 09.04.2020 15:27 | SPT | Holding(s) in Company | RNS |
| 08.04.2020 08:19 | SPT | Holding(s) in Company | RNS |
| 02.04.2020 08:04 | SPT | Holding(s) in Company | RNS |
| 01.04.2020 07:57 | SPT | Total Voting Rights | RNS |
| 26.03.2020 09:10 | SPT | Holding(s) in Company | RNS |
| 24.03.2020 14:42 | SPT | Director/PDMR Shareholding | RNS |
| 24.03.2020 13:34 | SPT | Annual Report 2019 and Associated Documents | RNS |
| 23.03.2020 15:58 | SPT | Holding(s) in Company | RNS |
| 23.03.2020 09:32 | SPT | Holding(s) in Company | RNS |
| 18.03.2020 09:15 | SPT | Holding(s) in Company | RNS |
| 18.03.2020 09:00 | SPT | Capital Markets Day Postponed | RNS |
| 13.03.2020 17:06 | SPT | Holding(s) in Company | RNS |
| 06.03.2020 14:34 | SPT | Director/PDMR Shareholding | RNS |
| 05.03.2020 07:00 | SPT | Final Results | RNS |
| 03.03.2020 14:25 | SPT | Holding(s) in Company | RNS |
| 02.03.2020 10:03 | SPT | Total Voting Rights | RNS |
| 25.02.2020 09:49 | SPT | Director/PDMR Shareholding | RNS |
| 17.02.2020 10:28 | SPT | Holding(s) in Company | RNS |
| 17.02.2020 10:27 | SPT | Holding(s) in Company | RNS |
| 03.02.2020 09:33 | SPT | Total Voting Rights | RNS |
| 27.01.2020 10:11 | SPT | Director/PDMR Shareholding | RNS |
| 23.01.2020 12:09 | SPT | Holding(s) in Company | RNS |
| 13.01.2020 15:40 | SPT | Block listing Interim Review | RNS |
| 13.01.2020 07:00 | SPT | Trading Statement | RNS |
| 02.01.2020 10:52 | SPT | Total Voting Rights | RNS |
| 27.12.2019 12:05 | SPT | Director/PDMR Shareholding | RNS |
| 02.12.2019 09:10 | SPT | Total Voting Rights | RNS |
| 28.11.2019 16:44 | SPT | Holding(s) in Company | RNS |
| 26.11.2019 12:47 | SPT | Director/PDMR Shareholding | RNS |
| 13.11.2019 11:02 | SPT | Director Declaration | RNS |
| 08.11.2019 07:00 | SPT | Third Quarter Trading Update | RNS |
| 01.11.2019 09:37 | SPT | Total Voting Rights | RNS |
| 25.10.2019 14:20 | SPT | Director/PDMR Shareholding | RNS |
| 21.10.2019 08:30 | SPT | Holding(s) in Company | RNS |
