Section 16 Filings
| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/20/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/14/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  3 | |
| 05/14/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/15/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/15/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 02/15/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/03/19 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 01/03/19 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  2 | |
| 12/21/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/21/18 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

