| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2023 | 10 Apr 2023 | 001-40237 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 12 Apr 2023 | 10 Apr 2023 | 001-40237 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2016 | 14 Jun 2016 | 000-29089 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2016 | 26 Apr 2016 | 000-29089 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 26 Apr 2016 | 000-29089 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Sep 2015 | 25 Sep 2015 | 000-29089 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2015 | 17 Jun 2015 | 000-29089 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Jun 2015 | 17 Jun 2015 | 000-29089 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Jan 2015 | 08 Jan 2015 | 001-12584 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 May 2014 | 22 May 2014 | 001-12584 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2014 | 17 Apr 2014 | 001-12584 |