| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/31/18 | 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) |
|
6 | |
| 05/30/18 | 10-K | Annual report pursuant to Section 13 and 15(d) |
|
   |
108 |
| 05/24/18 | 8-K | Current report filing |
|
12 | |
| 05/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 05/03/18 | 3 | Initial statement of beneficial ownership of securities |
|
2 | |
| 04/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
1 | |
| 04/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/03/18 | 4 | Statement of changes in beneficial ownership of securities |
|
1 |
Investor Relations