| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/26/18 | Definitive proxy statements |
|
34 | ||
| 04/19/18 | Confidential treatment order |
|
1 | ||
| 03/22/18 | Annual report pursuant to Section 13 and 15(d) |
|
 |
125 | |
| 03/14/18 | Current report filing |
|
9 | ||
| 03/12/18 | Current report filing |
|
167 | ||
| 02/14/18 | Annual statement of changes in beneficial ownership of securities |
|
1 | ||
| 02/05/18 | Current report filing |
|
6 | ||
| 01/04/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/04/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 01/04/18 | Statement of changes in beneficial ownership of securities |
|
1 |