| 28 Sep 2023 | STX Interim Results 2023 |  | — | — | 
                                                                    
                                        | 28 Sep 2023 | Interim results update and business update |  | — | — | 
                                                                    
                                        | 29 Jun 2023 | Results of 2023 Annual General Meeting |  | — | — | 
                                                                    
                                        | 31 May 2023 | Peel Hunt Consent Letter (2.7 Announcement) | — | — |  | 
                                                                    
                                        | 31 May 2023 | Peel Hunt Consent Letter (Offer Document) | — | — |  | 
                                                                    
                                        | 31 May 2023 | Numis Consent Letter (Offer Document) | — | — |  | 
                                                                    
                                        | 31 May 2023 | Numis Consent Letter (2.7 Announcement) | — | — |  | 
                                                                    
                                        | 25 May 2023 | Mandatory Cash Offer Document | — | — |  | 
                                                                    
                                        | 25 May 2023 | Letter from Peel Hunt | — | — |  | 
                                                                    
                                        | 19 May 2023 | Notice of Annual General Meeting 2023 |  | — | — | 
                                                                    
                                        | 19 May 2023 | 2022 Annual Report and Accounts |  | — | — | 
                                                                    
                                        | 19 May 2023 | Letter to Shareholders |  | — | — | 
                                                                    
                                        | 18 May 2023 | Form 8 - PUBLIC OPENING POSITION DISCLOSURE BY A PARTY TO AN OFFER | — | — |  | 
                                                                    
                                        | 09 May 2023 | Rule 2.9 Announcement and Total Voting Rights Update | — | — |  | 
                                                                    
                                        | 05 May 2023 | Director's Irrevocable Undertaking- G Madison | — | — |  | 
                                                                    
                                        | 05 May 2023 | Director's Irrevocable Undertaking - HP Hasler | — | — |  | 
                                                                    
                                        | 05 May 2023 | Director's Irrevocable Undertaking- P Llewellyn-Davies | — | — |  | 
                                                                    
                                        | 05 May 2023 | Director's Irrevocable Undertaking- A Lundstrom | — | — |  | 
                                                                    
                                        | 05 May 2023 | Director's Irrevocable Undertaking - F Lacerca-Allen | — | — |  | 
                                                                    
                                        | 04 May 2023 | Letter of Intent – Jupiter Asset Management | — | — |  | 
                                                                    
                                        | 04 May 2023 | AOP Loan Conversion and Mandatory Cash Offer | — | — |  | 
                                                                    
                                        | 04 May 2023 | Rule 2.11 Letter to Shareholders and Optionholders | — | — |  | 
                                                                    
                                        | 04 May 2023 | Rule 2.11 Letter to Employees | — | — |  | 
                                                                    
                                        | 27 Apr 2023 | 2022 Final Results and Q1 2023 Update |  | — | — | 
                                                                    
                                        | 27 Apr 2023 | 2022 Final Results and Q1 2023 Update - Investor Presentation | — | — |  | 
                                                                    
                                        | 27 Apr 2023 | Business Update and Unaudited Results |  | — | — | 
                                                                    
                                        | 05 Jan 2023 | Results of 2023 General Meeting |  | — | — |