| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| May 31, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 31, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 31, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 31, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 31, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 31, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 30, 2017 | 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) |
|
2 | ||
| May 19, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 18, 2017 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| May 16, 2017 | Statement of changes in beneficial ownership of securities |
|
1 |