| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 06/12/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 06/07/19 | 11-K | Form 11-K: Annual report of employee stock purchase, savings and similar plans | 16 | |
| 06/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/30/19 | UPLOAD | Form UPLOAD: SEC-generated letter | 2 | |
| 05/24/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/22/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 05/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |