| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/29/19 | 8-K | Form 8-K: Current report | 5 | |
| 05/20/19 | 8-K | Form 8-K: Current report | 7 | |
| 05/17/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/16/19 | SC 13D | Form SC 13D: General Statement of Acquisition of Beneficial Ownership | 105 | |
| 05/16/19 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 3 | |
| 05/16/19 | DEF 14A | Form DEF 14A: Definitive proxy statements | 70 | |
| 05/10/19 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 2 | |
| 05/07/19 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/07/19 | DFAN14A | Form DFAN14A: Additional definitive proxy soliciting materials filed by non-management and Rule 14(a)(12) material | 5 | |
| 05/06/19 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 7 |
