| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 06/21/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 06/21/18 | Annual report of employee stock purchase, savings and similar plans |
|
15 | ||
| 06/01/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/18 | Statement of changes in beneficial ownership of securities |
|
1 | ||
| 05/24/18 | Statement of changes in beneficial ownership of securities |
|
1 |