| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/27/19 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 12/26/19 | 8-K | Form 8-K: Current report | 3 | |
| 12/23/19 | DEF 14A | Form DEF 14A: Definitive proxy statements | 29 | |
| 12/18/19 | 8-K | Form 8-K: Current report | 3 | |
| 12/13/19 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 32 | |
| 12/10/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/19 | SC 13D/A | Form SC 13D/A: General Statement of Acquisition of Beneficial Ownership | 5 | |
| 12/06/19 | 8-K | Form 8-K: Current report | 3 | |
| 11/26/19 | 8-K | Form 8-K: Current report | 3 | |
| 11/15/19 | 8-K | Form 8-K: Current report | 6 |