| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/22/15 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 04/22/15 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 04/22/15 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 | |
| 04/22/15 | 3 | Form 3: Initial statement of beneficial ownership of securities | 4 | |
| 04/22/15 | 3 | Form 3: Initial statement of beneficial ownership of securities | 3 |