| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/19/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/14/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/07/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/06/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/16/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/16/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/09/16 | 8-K/A | Form 8-K/A: Current report filing | 30 | |
| 06/08/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/06/16 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/31/16 | SD | Form 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) | 8 |