Historical shareholding details of
                        
                        Mr. Robert I. Blum
                        
                        holdings in Cytokinetics Inc (CYTK)
                    
                    
                        Monthly changes of
                        
                        Mr. Robert I. Blum
                        
                        shareholding in Cytokinetics Inc
                        over the previous
                        months 
                    
                    
            
                
                    
                        | 
                            
                                Month
                            
                         | 
                        Name | 
                        Total no. shares held | 
                        
                        Percent Holding | 
                        
                        
                    
                    
                        
                        
                    
                
                
                    
                        
                            
                        
                        
                            | 
                                Oct 30, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                358,108
                             | 
                            
                            
                                0.60%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Oct 16, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                363,108
                             | 
                            
                            
                                0.61%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Oct 01, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                368,108
                             | 
                            
                            
                                0.62%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Sep 15, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                373,108
                             | 
                            
                            
                                0.63%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Sep 02, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                378,108
                             | 
                            
                            
                                0.64%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Aug 15, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                383,108
                             | 
                            
                            
                                0.64%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jul 29, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                388,108
                             | 
                            
                            
                                0.65%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jul 14, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                393,108
                             | 
                            
                            
                                0.66%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jul 01, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                398,108
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jun 16, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                403,108
                             | 
                            
                            
                                0.68%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jun 02, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                408,108
                             | 
                            
                            
                                0.69%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                May 16, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                412,629
                             | 
                            
                            
                                0.69%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Apr 29, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                417,629
                             | 
                            
                            
                                0.70%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Apr 10, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                422,629
                             | 
                            
                            
                                0.71%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Mar 31, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                427,629
                             | 
                            
                            
                                0.72%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Mar 14, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                480,277
                             | 
                            
                            
                                0.81%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Mar 06, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                364,181
                             | 
                            
                            
                                0.61%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Mar 05, 2025
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                381,151
                             | 
                            
                            
                                0.64%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Dec 03, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                414,894
                             | 
                            
                            
                                0.70%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Nov 18, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                397,456
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Nov 01, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                397,456
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Oct 09, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                397,456
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Sep 30, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                397,456
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Sep 16, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                397,456
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Sep 03, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                397,456
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Aug 19, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                397,456
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Aug 12, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                399,412
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jul 30, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                399,412
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jul 10, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                399,412
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jul 01, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                405,145
                             | 
                            
                            
                                0.68%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jun 17, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                416,645
                             | 
                            
                            
                                0.70%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jun 04, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                439,145
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Mar 14, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                461,221
                             | 
                            
                            
                                0.78%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Mar 06, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                399,731
                             | 
                            
                            
                                0.67%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Feb 13, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,797
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jan 19, 2024
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,797
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Dec 18, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,797
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Nov 30, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,417
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Oct 30, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,417
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Sep 13, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,417
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Aug 25, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,417
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Aug 01, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,417
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                Jun 12, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,417
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                        
                            
                                
                                    | 
                                     | 
                                    
                                    
                                
                                
                        
                        
                            | 
                                May 31, 2023
                             | 
                            
                                
                                    Mr. Robert I. Blum
                                
                             | 
                            
                                441,058
                             | 
                            
                            
                                0.74%
                             | 
                            
                            
                        
                    
                
            
         
                 
                
                    
                        View all ownership details of Cytokinetics Inc