| 12.07.2022 07:00 | SYS1 | Quarterly Trading Update | RNS |
| 12.07.2022 07:00 | SYS1 | Share Buyback Programme | RNS |
| 12.07.2022 07:00 | SYS1 | PRELIMINARY RESULTS FOR THE YEAR ENDED 31 MAR 2022 | RNS |
| 30.06.2022 16:15 | SYS1 | Holding(s) in Company | RNS |
| 30.06.2022 09:30 | SYS1 | Holding(s) in Company | RNS |
| 27.06.2022 15:00 | SYS1 | Directorate Change | RNS |
| 22.06.2022 07:00 | SYS1 | Distribution policy | RNS |
| 06.06.2022 07:00 | SYS1 | Holding(s) in Company | RNS |
| 30.05.2022 16:14 | DBOX, MRIT, SYS1 | IN BRIEF: System1 promotes Rupert Howell to chair upon AGM | Alliance |
| 26.05.2022 13:15 | SYS1 | Directorate Change | RNS |
| 13.05.2022 12:15 | SYS1 | Change of Registered Office | RNS |
| 27.04.2022 12:16 | ORIT, BEM, GAL | TRADING UPDATES: Shearwater to beat forecasts; Immotion in US zoo deal | Alliance |
| 27.04.2022 07:00 | SYS1 | Trading Update | RNS |
| 01.04.2022 14:00 | SYS1 | Completion of Share Buyback Programme | RNS |
| 25.03.2022 17:21 | SYS1 | Transaction in Own Shares | RNS |
| 23.03.2022 15:30 | SYS1 | Transaction in Own Shares | RNS |
| 22.03.2022 17:32 | SYS1 | Transaction in Own Shares | RNS |
| 22.03.2022 07:00 | SYS1 | Update re Stefan Barden | RNS |
| 11.03.2022 18:00 | SYS1 | Transaction in Own Shares | RNS |
| 11.03.2022 15:30 | SYS1 | Holding(s) in Company | RNS |
| 04.03.2022 18:25 | SYS1 | Transaction in Own Shares | RNS |
| 04.03.2022 10:15 | SYS1 | Holding(s) in Company | RNS |
| 28.02.2022 07:00 | SYS1 | Transaction in Own Shares | RNS |
| 24.02.2022 07:00 | SYS1 | Transaction in Own Shares | RNS |
| 22.02.2022 16:15 | SYS1 | Transaction in Own Shares | RNS |
| 22.02.2022 12:14 | SYS1 | System1 shares fall 28% after revenue, profit expectations slashed | Alliance |
| 22.02.2022 11:28 | TRT, SYS1, IGE | AIM WINNERS & LOSERS: Image Scan stalls; System1 warns on revenue | Alliance |
| 22.02.2022 07:00 | SYS1 | Trading Update | RNS |
| 21.02.2022 15:15 | SYS1 | Transaction in Own Shares | RNS |
| 18.02.2022 17:31 | SYS1 | Transaction in Own Shares | RNS |
| 16.02.2022 17:30 | SYS1 | Transaction in Own Shares | RNS |
| 15.02.2022 10:15 | SYS1 | Transaction in Own Shares | RNS |
| 14.02.2022 17:02 | SYS1 | Transaction in Own Shares | RNS |
| 11.02.2022 17:15 | SYS1 | Transaction in Own Shares | RNS |
| 09.02.2022 15:45 | SYS1 | Transaction in Own Shares | RNS |
| 09.02.2022 11:40 | CWR, ITX, SYS1 | AIM WINNERS & LOSERS: Ceres Power rises on 3-way China collaboration | Alliance |
| 09.02.2022 10:54 | SYS1 | System1 records higher revenue and profit in line with expectations | Alliance |
| 09.02.2022 07:00 | SYS1 | Trading Update | RNS |
| 04.02.2022 11:45 | SYS1 | Holding(s) in Company | RNS |
| 24.01.2022 17:50 | SYS1 | Transaction in Own Shares | RNS |
| 21.01.2022 17:15 | SYS1 | Transaction in Own Shares | RNS |
| 20.01.2022 17:15 | SYS1 | Transaction in Own Shares | RNS |
| 12.01.2022 12:30 | SYS1 | Transaction in Own Shares | RNS |
| 11.01.2022 08:00 | SYS1 | Transaction in Own Shares | RNS |
| 07.01.2022 07:00 | SYS1 | Share Buyback Programme | RNS |
| 04.01.2022 14:00 | SYS1 | Directorate Change | RNS |
| 30.11.2021 16:51 | SYS1 | Director Dealings | RNS |
| 30.11.2021 07:00 | SYS1 | INTERIM RESULTS | RNS |
| 09.11.2021 07:00 | SYS1 | Complaint for Trademark Infringement | RNS |
| 29.10.2021 13:24 | SYS1 | Grant of Options | RNS |
| 20.10.2021 07:00 | SYS1 | Trading Update | RNS |
| 10.09.2021 07:00 | SYS1 | Update re 2021 AGM | RNS |
| 13.08.2021 17:24 | SYS1 | Annual General Meeting | RNS |
| 13.08.2021 07:00 | SYS1 | Trading Update for the Annual General Meeting | RNS |
| 04.08.2021 18:15 | SYS1 | Update re 2021 AGM | RNS |
| 20.07.2021 14:30 | SYS1 | Annual Report and Notice of AGM | RNS |
| 14.07.2021 07:00 | SYS1 | Final Results | RNS |
| 23.06.2021 12:30 | SYS1 | Notice of Results | RNS |
| 21.05.2021 07:00 | SYS1 | Exercise of Options and Total Voting Rights | RNS |
| 17.05.2021 12:12 | SYS1 | Director/PDMR Shareholding | RNS |
| 28.04.2021 13:08 | SYS1 | Director/PDMR Shareholding | RNS |
| 23.04.2021 11:16 | SYS1 | Correction re Directors Dealings | RNS |
| 23.04.2021 09:40 | SYS1 | Exercise of Options, Directors Dealings and TVR | RNS |
| 21.04.2021 07:00 | SYS1 | Trading Update | RNS |
| 30.03.2021 07:00 | SYS1 | Change in Executive Job Titles | RNS |
| 15.02.2021 12:42 | SYS1 | Board Changes | RNS |
| 12.02.2021 11:00 | SYS1 | Price Monitoring Extension | RNS |
| 20.01.2021 07:00 | SYS1 | Director/PDMR Shareholding | RNS |
