| 21.10.2024 16:00 | SPSC, SPSY | Holding(s) in Company | RNS |
| 14.10.2024 07:00 | SPSY | Interim Results Presentation | Reach |
| 01.10.2024 16:31 | OMI, SPSY, BLOE | EARNINGS: Block Energy swings to profit; XLMedia loss widens | Alliance |
| 30.09.2024 07:00 | SPSC, SPSY | Interim Results | RNS |
| 23.09.2024 14:12 | XSG, SPSY, TBLD | UK earnings, trading statements calendar - next 7 days | Alliance |
| 16.09.2024 07:00 | SPSY | Notice of Interim Results | Reach |
| 20.08.2024 16:35 | SPSC, SPSY | Removal of Reg S restrictions from common stock | RNS |
| 30.07.2024 07:00 | SPSC, SPSY | Annual General Meeting Lack of Quorum | RNS |
| 22.07.2024 13:48 | SPSY, SDX, PREM | UK shareholder meetings calendar - next 7 days | Alliance |
| 18.07.2024 16:52 | SPSC, SPSY | Holding(s) in Company | RNS |
| 16.07.2024 18:35 | SEQI, PIP, SPSY | TRADING UPDATES: Journeo wins deals; Strip Tinning earnings warning | Alliance |
| 16.07.2024 11:21 | SPSY, GUN, MET1 | AIM WINNERS & LOSERS: Chaarat Gold plummets on AIM delisting proposal | Alliance |
| 16.07.2024 07:00 | SPSC, SPSY | New $37.9 million sensor manufacturing contract | RNS |
| 15.07.2024 11:04 | SPSY | IN BRIEF: Spectra Systems wins USD636,000 lottery contract renewal | Alliance |
| 15.07.2024 07:01 | SPSY | New lottery contract renewal | Reach |
| 15.07.2024 07:00 | SPSC, SPSY | Change of Nominated Adviser and Broker | RNS |
| 28.06.2024 13:46 | SPSC, SPSY | Replacement: Posting of Annual Report | RNS |
| 28.06.2024 10:14 | SPSC, SPSY | Posting of Annual Report and Notice of AGM | RNS |
| 21.06.2024 15:15 | VCT, GSEO, UEM | UK dividends calendar - next 7 days | Alliance |
| 06.06.2024 14:47 | WWH, W7L, THS | UK dividends calendar - next 7 days | Alliance |
| 03.06.2024 07:00 | SPSC, SPSY | Issue of Equity & Update to Dividend Timetable | RNS |
| 03.04.2024 18:42 | FCM, KRPZ, BGCG | EARNINGS AND TRADING: Saint-Gobain buys Bailey Group; Kropz inks loan | Alliance |
| 03.04.2024 07:00 | SPSY | Certified Circular Polymer Banknote Substrate | Reach |
| 27.03.2024 16:13 | LPA, LDSG, SOLI | EARNINGS AND TRADING: Solid State ups outlook; Quartix trading in line | Alliance |
| 27.03.2024 07:00 | SPSC, SPSY | Audited results for 12 months ended 31 Dec 2023 | RNS |
| 13.03.2024 15:07 | SPSY | Notice of Results | Reach |
| 11.01.2024 07:00 | SPSC, SPSY | Exercise of Options and Director/PDMR Shareholding | RNS |
| 28.12.2023 07:00 | SPSC, SPSY | Exercise of Options | RNS |
| 21.12.2023 12:15 | SPSC, SPSY | Completion of Acquisition | RNS |
| 15.12.2023 16:35 | SPSC, SPSY | Exercise of Options and transfer of shares | RNS |
| 04.12.2023 11:58 | SPSY | Spectra Systems buys Cartor to boost polymer substrate supply | Alliance |
| 04.12.2023 07:00 | SPSC, SPSY | Acquisition of Cartor Holdings Limited | RNS |
| 06.11.2023 16:43 | SPSC, SPSY | TR-1 | RNS |
| 12.10.2023 12:09 | SPSY | Spectra Systems wins record order from central bank customer | Alliance |
| 12.10.2023 07:00 | SPSC, SPSY | Largest Central Bank Consumables Order | RNS |
| 25.09.2023 12:23 | SPSY | Spectra Systems "highly confident" as interim revenue and profit jump | Alliance |
| 25.09.2023 07:00 | SPSC, SPSY | Interim Results for Six Months Ended 30 June 2023 | RNS |
| 18.09.2023 15:54 | WIL, VLG, TRT | UK earnings, trading statements calendar - next 7 days | Alliance |
| 06.09.2023 07:00 | SPSY | Results for the 6 months ended 30 June 2023 | Reach |
| 07.07.2023 18:31 | SPSY | IN BRIEF: Spectra announces removal of restrictions from some shares | Alliance |
| 07.07.2023 18:01 | SPSC, SPSY | Removal of Regulation S restrictions from shares | RNS |
| 26.06.2023 15:22 | SPSC, SPSY | Annual General Meeting Lack of Quorum | RNS |
| 14.06.2023 10:50 | SPSY | Spectra Systems inks USD2 million central bank contract | Alliance |
| 14.06.2023 07:00 | SPSY | Update on Development Contracts | Reach |
| 30.05.2023 13:33 | SPSY | IN BRIEF: Spectra Systems hires PwC and Mearthane alumnus as CFO | Alliance |
| 30.05.2023 07:00 | SPSC, SPSY | Appointment of Chief Financial Officer | RNS |
| 25.04.2023 14:27 | MCB, FPO, CPX | TRADING UPDATES: McBride ups outlook, whilst FireAngel lowers | Alliance |
| 25.04.2023 07:00 | SPSC, SPSY | Additional Sensor Services Contract Amendment | RNS |
| 24.04.2023 12:11 | SPSY | Spectra Systems CFO Colleen Hamill leaves after less than year | Alliance |
| 24.04.2023 07:00 | SPSC, SPSY | Resignation of Chief Financial Officer | RNS |
| 19.04.2023 07:05 | SPSC, SPSY | Removal of Reg S restrictions from common stock | RNS |
| 06.04.2023 07:00 | SPSC, SPSY | Exercise of Options | RNS |
| 31.03.2023 17:14 | SPSC, SPSY | Removal of Reg S restrictions from shares | RNS |
| 21.03.2023 11:44 | SPSC, SPSY | Dividend Record Date | RNS |
| 20.03.2023 09:25 | SPSY | Spectra Systems hails double-digit rises in yearly revenue and profit | Alliance |
| 20.03.2023 07:00 | SPSC, SPSY | Audited results for year ended 31 December 2022 | RNS |
| 16.03.2023 16:35 | SPSC, SPSY | Exercise of Options | RNS |
| 13.03.2023 07:00 | SPSY | Notice of Results | Reach |
| 06.03.2023 10:39 | SPSC, SPSY | Removal of Reg S restrictions from common stock | RNS |
| 11.10.2022 18:12 | SPSC, SPSY | Director/PDMR Shareholding | RNS |
| 03.10.2022 19:52 | RBW, TEK, CML | TRADING UPDATES: Goodbody Health wins deal; Tekcapital secures funds | Alliance |
| 03.10.2022 07:00 | SPSC, SPSY | Contract Amendment to a Central Bank | RNS |
| 21.09.2022 07:00 | SPSC, SPSY | Exercise of Options | RNS |
| 12.09.2022 11:28 | SPSY | IN BRIEF: Spectra Systems on track to meet annual expectations | Alliance |
| 12.09.2022 07:05 | SPSC, SPSY | Appointment of Non-Executive Director | RNS |
| 12.09.2022 07:00 | SPSC, SPSY | Interim Results for Six Months Ended 30 June 2022 | RNS |
| 16.08.2022 13:31 | SPSY | IN BRIEF: Spectra Systems sells first banknote disinfection system | Alliance |
| 16.08.2022 07:00 | SPSC, SPSY | First Banknote Disinfection System Sold | RNS |
| 15.08.2022 09:53 | SPSY | IN BRIEF: Spectra Systems shares up on USD4 million contract amendment | Alliance |
| 15.08.2022 07:00 | SPSC, SPSY | New Central Bank Contract Amendment | RNS |
| 28.07.2022 07:00 | SPSC, SPSY | Share Buy-Back | RNS |
| 01.07.2022 14:31 | SPSC, SPSY | Share Buy-Back | RNS |
| 28.06.2022 07:00 | SPSC, SPSY | Share Buy-Back | RNS |
| 15.06.2022 13:18 | SPSY | IN BRIEF: Spectra Systems nets more revenue from central bank contract | Alliance |
| 15.06.2022 07:00 | SPSC, SPSY | Additional Central Bank Development Revenues | RNS |
