| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/31/18 | 8-K | Form 8-K: Current report | 14 | |
| 05/24/18 | 8-K | Form 8-K: Current report | 5 | |
| 05/17/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/17/18 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 4 | |
| 05/17/18 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 6 | |
| 05/17/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 62 | |
| 05/08/18 | 8-K | Form 8-K: Current report | 6 | |
| 05/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/07/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 05/07/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
