| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/01/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/01/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 07/01/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/07/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/26/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/10/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/10/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/01/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/01/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 03/01/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

