| Jun 2021 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2021 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2020 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2020 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2020 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2020 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 11,750,000 | 41.61% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2019 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 11,750,000 | 41.61% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2019 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 11,750,000 | 41.61% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2019 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 11,750,000 | 41.61% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2019 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 11,750,000 | 41.61% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2018 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 12,637,500 | 44.75% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2018 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 12,637,500 | 44.75% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2018 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 12,637,500 | 44.75% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2018 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 12,637,500 | 44.75% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2017 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 28,240,895 | 100.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2017 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 28,240,895 | 100.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2017 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 28,240,895 | 100.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2017 | Amtek Laboratories Limited | 28,240,895 | 11.38% | 0 | 0.00% | 28,240,895 | 100.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2016 | Amtek Laboratories Limited | 16,490,895 | 7.34% | 0 | 0.00% | 887,500 | 5.38% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2016 | Amtek Laboratories Limited | 16,490,895 | 7.34% | 0 | 0.00% | 887,500 | 5.38% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2016 | Amtek Laboratories Limited | 16,490,895 | 7.34% | 0 | 0.00% | 16,490,895 | 100.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2016 | Amtek Laboratories Limited | 16,490,895 | 7.34% | 0 | 0.00% | 16,490,895 | 100.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2015 | Amtek Laboratories Limited | 16,490,895 | 7.34% | 0 | 0.00% | 16,490,895 | 100.00% |