| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/01/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/01/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/27/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/27/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/27/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/27/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/27/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/19/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/18/19 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 03/11/19 | Confidential treatment order |
|
1 |