Historical shareholding details of
                        
                        Mr. Bryan K. Brown
                        
                        holdings in Ecovyst Inc (ECVT)
                    
                    
                        Monthly changes of
                        
                        Mr. Bryan K. Brown
                        
                        shareholding in Ecovyst Inc
                        over the previous
                        months 
                    
                    
            
                
                    
                        | 
                            
                                Month
                            
                         | 
                        Name | 
                        Total no. shares held | 
                        
                        Percent Holding | 
                        
                        
                    
                    
                        
                        
                    
                
                
                    
                        
                            
                        
                        
                            | 
                                Feb 03, 2025
                             | 
                            
                                
                                    Mr. Bryan K. Brown
                                
                             | 
                            
                                89,616
                             | 
                            
                            
                                0.07%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jan 22, 2024
                             | 
                            
                                
                                    Mr. Bryan K. Brown
                                
                             | 
                            
                                63,942
                             | 
                            
                            
                                0.05%
                             | 
                            
                            
                        
                    
                
            
         
                 
                
                    
                        View all ownership details of Ecovyst Inc