| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/26/18 | 8-K | Form 8-K: Current report | 11 | |
| 06/15/18 | 11-K | Form 11-K: Annual report of employee stock purchase, savings and similar plans | 21 | |
| 06/15/18 | 11-K | Form 11-K: Annual report of employee stock purchase, savings and similar plans | 22 | |
| 06/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/23/18 | SD | Form SD: Specialized disclosure report | 2 | |
| 05/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/22/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |