| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/18/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/14/15 | 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) | 12 | |
| 05/05/15 | 10-Q | Form 10-Q: Quarterly report pursuant to Section 13 or 15(d) |
|
95 |
| 05/05/15 | 8-K | Form 8-K: Current report filing | 5 | |
| 04/29/15 | 8-K | Form 8-K: Current report filing | 9 | |
| 04/28/15 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/21/15 | 8-K | Form 8-K: Current report filing | 14 | |
| 04/21/15 | 8-K | Form 8-K: Current report filing | 6 | |
| 04/06/15 | ARS | Form ARS: Annual report to security holders | 1 | |
| 04/02/15 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 6 |