| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/17/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 08/02/16 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) | 
       
   | 
  
                                | 
  29 | 
| 07/29/16 | 8-K | Current report filing | 
       
   | 
  15 | |
| 06/24/16 | 11-K | Annual report of employee stock purchase, savings and similar plans | 
       
   | 
  10 | |
| 06/13/16 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 
       
   | 
  5 | |
| 06/13/16 | DEF 14A | Definitive proxy statements | 
       
   | 
  82 | |
| 06/01/16 | 10-K | Annual report pursuant to Section 13 and 15(d) | 
       
   | 
  
                                | 
  73 | 
| 06/01/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 06/01/16 | 4 | Statement of changes in beneficial ownership of securities | 
       
   | 
  2 | |
| 05/27/16 | 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) | 
       
   | 
  3 | 



