| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/26/18 | 8-K | Form 8-K: Current report | 13 | |
| 04/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/25/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/18 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 4 | |
| 03/15/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 61 | |
| 03/01/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/27/18 | 8-K | Form 8-K: Current report | 6 |