| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/29/20 | 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) | 37 | |
| 05/27/20 | 8-K | Form 8-K: Current report filing |
|
106 |
| 05/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/26/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/22/20 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) |
|
129 |
| 05/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/19/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |