| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/18/18 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 04/12/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/10/18 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 68 | |
| 04/05/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/05/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/05/18 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 04/02/18 | 10-K | Form 10-K: Annual report [Section 13 and 15(d), not S-K Item 405] |
|
107 |
| 04/02/18 | 8-K | Form 8-K: Current report | 8 | |
| 03/26/18 | 8-K | Form 8-K: Current report | 6 | |
| 03/12/18 | 8-K | Form 8-K: Current report | 25 |