| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/22/16 | 4/A | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/22/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/21/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/20/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 12/16/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/28/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/16/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 11/14/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 10/06/16 | 3 | Initial statement of beneficial ownership of securities | 
       
   | 
  1 | |
| 10/06/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | 

