| 18.07.2024 07:00 | SYS1 | Director/PDMR Shareholding | RNS |
| 12.07.2024 10:08 | KDNC, PMI, SYS1 | AIM WINNERS & LOSERS: System1 rises on quarterly revenue growth | Alliance |
| 12.07.2024 08:45 | SYS1 | System1 on track to meet annual expectations after strong 1st quarter | Alliance |
| 12.07.2024 07:00 | SYS1 | Final Results (correction) | RNS |
| 12.07.2024 07:00 | SYS1 | Trading Update | RNS |
| 03.07.2024 16:58 | SYS1 | System1 annual profit more than triples, confident for new year | Alliance |
| 03.07.2024 07:00 | SYS1 | Final Results | RNS |
| 28.06.2024 15:27 | SYS1 | Update re Director Disclosure | RNS |
| 27.06.2024 18:00 | SYS1 | Notice of Final Results and IMC presentation | RNS |
| 24.06.2024 14:52 | SYS1 | Holding(s) in Company | RNS |
| 30.05.2024 13:04 | SYS1 | Correction of Total Voting Rights | RNS |
| 28.05.2024 17:15 | SYS1 | Exercise of Options and Total Voting Rights | RNS |
| 28.05.2024 14:00 | SYS1 | Holding(s) in Company | RNS |
| 24.05.2024 16:30 | SYS1 | Holding(s) in Company | RNS |
| 24.05.2024 15:00 | SYS1 | Holding(s) in Company | RNS |
| 24.05.2024 11:15 | SYS1 | Holding(s) in Company | RNS |
| 24.05.2024 10:30 | SYS1 | Holding(s) in Company | RNS |
| 16.04.2024 20:19 | RGL, ELCO, CRCL | TRADING UPDATES: System1 revenue jumps; Pathfinder amends deal | Alliance |
| 16.04.2024 07:00 | SYS1 | Trading Update | RNS |
| 24.01.2024 11:00 | SYS1 | IN BRIEF: System1 shares soar as annual results to beat expectations | Alliance |
| 24.01.2024 10:33 | SYS1, RBG | AIM WINNERS & LOSERS: Revolution Bars warns of soft start to January | Alliance |
| 24.01.2024 07:00 | SYS1 | Trading Update | RNS |
| 12.12.2023 12:51 | SYS1 | Presentation via Investor Meet Company | RNS |
| 06.12.2023 11:22 | SYS1 | System1 shares jump as swings to interim profit; outlook upbeat | Alliance |
| 06.12.2023 11:08 | SYS1, HE1, QED | AIM WINNERS & LOSERS: Quadrise surges; Helium One slides again | Alliance |
| 06.12.2023 07:00 | SYS1 | Change of Auditor | RNS |
| 06.12.2023 07:00 | SYS1 | Interim Results | RNS |
| 29.11.2023 15:46 | SYS1, SERE | UK earnings, trading statements calendar - next 7 days | Alliance |
| 24.10.2023 20:21 | GCAT, TRB, WHI | TRADING UPDATES: System1 revenue jumps; Volex takes cyber hack charge | Alliance |
| 24.10.2023 07:00 | SYS1 | Trading Update | RNS |
| 27.09.2023 18:00 | SYS1 | Result of AGM | RNS |
| 27.09.2023 14:42 | SRES, SYS1, UMR | TRADING UPDATES: SIMEC Atlantis swings to profit; System1 optimistic | Alliance |
| 27.09.2023 07:00 | SYS1 | Trading Update | RNS |
| 20.09.2023 15:50 | SREI, SYS1, RSE | UK shareholder meetings calendar - next 7 days | Alliance |
| 31.08.2023 07:00 | SYS1 | Annual Report and Notice of AGM | RNS |
| 01.08.2023 14:06 | LMS, FTC, SYS1 | EARNINGS SUMMARY: Robert Walters interim profit down, LMS NAV falls | Alliance |
| 01.08.2023 07:00 | SYS1 | PRELIMINARY RESULTS FOR THE YEAR ENDED 31 MAR 2023 | RNS |
| 31.07.2023 14:00 | SYS1 | Preliminary Results Presentation | RNS |
| 25.07.2023 15:46 | XPP, WEIR, VINO | UK earnings, trading statements calendar - next 7 days | Alliance |
| 13.07.2023 12:01 | SYS1 | IN BRIEF: System1 revenue up 18% in 1st quarter, led by data platform | Alliance |
| 13.07.2023 07:30 | SYS1 | Trading update | RNS |
| 30.06.2023 11:00 | STG, NMT, KRPZ | TRADING UPDATES: Pod Point wins deal; Kia sponsors Live Co K-pop event | Alliance |
| 30.06.2023 09:00 | SYS1 | Resolution of Complaint for Trademark Infringement | RNS |
| 28.06.2023 11:00 | SYS1 | Holding(s) in Company | RNS |
| 03.05.2023 15:15 | SYS1 | Further re Result of General Meeting | RNS |
| 21.04.2023 16:31 | SYS1 | System1 shareholders reject proposal to elect new executive chair | Alliance |
| 21.04.2023 11:56 | SYS1 | Result of General Meeting | RNS |
| 14.04.2023 15:44 | SYS1, SNR, MYI | UK shareholder meetings calendar - next 7 days | Alliance |
| 13.04.2023 17:35 | SYS1 | IN BRIEF: System1 urges shareholders to reject proposals at meeting | Alliance |
| 13.04.2023 07:00 | SYS1 | Further re Requisitioned General Meeting | RNS |
| 12.04.2023 11:00 | SYS1 | IN BRIEF: System1 shares rise as profit expected to top previous view | Alliance |
| 12.04.2023 10:37 | SYS1, IMM, BZT | AIM WINNERS & LOSERS: System1 rises after upturn in second half | Alliance |
| 12.04.2023 07:00 | SYS1 | Trading Update | RNS |
| 05.04.2023 10:45 | SYS1 | Notice of Trading Update | RNS |
| 24.03.2023 16:00 | SYS1 | Posting of Circular and Notice of Requisitioned GM | RNS |
| 24.03.2023 07:00 | SYS1 | Posting of Circular and Notice of Requisitioned GM | RNS |
| 10.03.2023 20:37 | SYS1, XTR, REVB | CORRECT: Revolution changes deferred consideration instalment amount | Alliance |
| 10.03.2023 19:48 | SYS1, XTR, REVB | TRADING UPDATES: Revolution changes deferred consideration amount | Alliance |
| 07.03.2023 07:30 | SYS1 | Receipt of Requisition Notice | RNS |
| 28.02.2023 12:50 | SYS1 | Capital Markets Day | RNS |
| 23.02.2023 14:40 | SYS1, ARBB, TRCS | TRADING UPDATES: TT Electronics says annual profit to top market view | Alliance |
| 23.02.2023 07:00 | SYS1 | Trading Update | RNS |
| 14.02.2023 07:00 | SYS1 | Capital Markets Day | RNS |
| 13.01.2023 14:00 | SYS1 | Director/PDMR Shareholding | RNS |
| 10.01.2023 10:30 | SYS1 | Director/PDMR Shareholding | RNS |
| 10.01.2023 07:00 | SYS1 | Director/PDMR Shareholding | RNS |
| 14.12.2022 16:00 | SYS1 | Director/PDMR Shareholding | RNS |
| 13.12.2022 18:25 | SYS1 | Director/PDMR Shareholding | RNS |
| 06.12.2022 21:50 | BSV, BSC, VSL | TRADING UPDATES: 7digital loan pact; Okyo Pharma files with SEC | Alliance |
| 06.12.2022 16:15 | SYS1 | Directorate Change | RNS |
| 30.11.2022 12:26 | SYS1 | System1 profit evaporates in half-year; promotes COO to CEO | Alliance |
| 30.11.2022 07:00 | SYS1 | Interim Results | RNS |
| 25.10.2022 11:57 | SYS1 | System1 to breakeven in first half; US court green lights legal case | Alliance |
| 25.10.2022 07:00 | SYS1 | Trading Update | RNS |
| 28.09.2022 18:15 | SYS1 | Result of AGM | RNS |
