| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/15/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/15/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/15/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/15/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/15/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/15/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/06/20 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/01/20 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 83 | |
| 02/27/20 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/20/20 | 10-K | Form 10-K: Annual report pursuant to Section 13 and 15(d) | 132 |
