| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/15/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 06/14/19 | 11-K | Form 11-K: Annual report of employee stock purchase, savings and similar plans | 16 |