|     | 
           
            
               
               
                   Company 
                  Roster  
                   
                  
                     
                     
                      |  
                        
                       | 
                      Total 
                        Insiders  : | 
                       
                        16                         | 
                         | 
                     
                     
                      |  
                        
                       | 
                       
                         Total 
                          Direct Shares : 
                       | 
                       
                         
                        4,550,120                          | 
                     
                     
                      |  
                        
                       | 
                       
                         Total 
                          Indirect Shares : 
                       | 
                        
                         
                        20,736,353                          | 
                     
                     
                      |   | 
                       
                         % 
                          Held by Insiders: 
                       | 
                       
                        3.32%                          | 
                     
                     
                    | 
                  
                     
                  
                  
                 | 
               
              
                |   | 
               
               
             
            
| Filer's Name | 
Relation | 
Direct Date   | 
Direct Shares | 
Indirect Date | 
Indirect Shares | 
 
     Pinnow Cole | 
 | 
2025-01-14 | 
45,848 | 
 | 
0 | 
 
     Sachs Jessica | 
Chief Medical Officer | 
2022-06-30 | 
622 | 
2021-12-31 | 
0 | 
 
     Green John L. | 
Chief Financial Officer | 
2021-04-26 | 
3,841 | 
 | 
0 | 
 
     Shah Nimish P | 
10% Owner | 
2020-08-14 | 
0 | 
2020-08-18 | 
4,355,273 | 
 
     Fairmount Funds Management Llc | 
Director | 
2020-07-06 | 
0 | 
2025-07-10 | 
9,003,418 | 
 
     Campana Dario | 
10% Owner | 
2020-04-06 | 
0 | 
2020-05-12 | 
3,095,114 | 
 
     Ettenberg Seth | 
Chief Scientific Officer | 
2019-03-25 | 
0 | 
2018-09-25 | 
0 | 
 
     Ratcliffe Liam | 
Director | 
2018-04-03 | 
0 | 
2018-04-03 | 
897,773 | 
 
     Booth Bruce | 
Director | 
2018-04-03 | 
0 | 
2018-04-03 | 
3,361,535 | 
 
     Fil Ltd | 
See Remark 1 | 
2018-04-03 | 
1,138,274 | 
2018-04-03 | 
0 | 
 
     Atlas Venture Associates Ix, Llc | 
10% Owner | 
2018-04-03 | 
3,361,535 | 
2018-04-03 | 
0 | 
 
     Fmr Corp | 
See Remark 1 | 
2018-04-03 | 
0 | 
2018-04-03 | 
23,240 | 
 
     Aldag Jorn | 
 | 
 | 
0 | 
 | 
0 | 
 
     Hodge Geoffrey | 
 | 
 | 
0 | 
 | 
0 | 
 
     Vasconcelles Michael | 
 | 
 | 
0 | 
 | 
0 | 
 
     Wilson Charles | 
 | 
 | 
0 | 
 | 
0 | 
 
 
            
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