| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 11/03/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/26/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/26/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/20/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/20/20 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 10/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/02/20 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

