| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/29/18 | DEF 14A | Form DEF 14A: Definitive proxy statements | 119 | |
| 03/29/18 | DEFA14A | Form DEFA14A: Additional definitive proxy soliciting materials and Rule 14(a)(12) material | 5 | |
| 03/19/18 | CT ORDER | Form CT ORDER: Confidential treatment order | 1 | |
| 03/02/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/23/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 02/20/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |