| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/14/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/07/21 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 06/07/21 | 8-K | Current report filing | 
       
   | 
  
                                            | 
  5 | 
| 05/28/21 | SD | Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1) | 
       
   | 
  10 | |
| 05/24/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/14/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/11/21 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                            | 
  39 | 
| 05/04/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/04/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/04/21 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 




