| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 09 Sep 2021 | 07 Sep 2021 | 001-33076 | |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jun 2021 | 09 Jun 2021 | 001-33076 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Mar 2021 | 11 Mar 2021 | 001-33076 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2021 | 10 Mar 2021 | 001-33076 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Jun 2020 | 19 Jun 2020 | 001-33076 |
| 4 | Open Document | Open Filing | 4 | 15 Jun 2020 | 11 Jun 2020 | 001-33076 |
| 3 | Open Document | Open Filing | 3 | 15 Jun 2020 | 11 Jun 2020 | 001-33076 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2015 | 18 Sep 2015 | 001-16265 |
| 4/A | Open Document | Open Filing | 4/A | 18 Aug 2015 | 05 Jan 2015 | 001-16265 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2015 | 05 Jan 2015 | 001-16265 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2014 | 07 Jan 2014 | 001-16265 |