| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2023 | 21 Feb 2023 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jul 2022 | 21 Jul 2022 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jul 2021 | 01 Jul 2021 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2020 | 22 Oct 2020 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jul 2020 | 23 Jun 2020 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jun 2019 | 18 Jun 2019 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jul 2018 | 18 Jul 2018 | 001-33407 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2018 | 26 Jun 2018 | 001-33407 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2017 | 27 Jun 2017 | 001-33407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2017 | 27 Jun 2017 | 001-33407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2016 | 21 Jun 2016 | 001-33407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2016 | 08 Mar 2016 | 001-33407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2015 | 18 Jun 2015 | 001-33407 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2015 | 18 Jun 2015 | 001-33407 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2012 | 09 Aug 2012 | 000-23939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2012 | 29 Mar 2012 | 000-23939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2012 | 05 Mar 2012 | 000-23939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2012 | 26 Jan 2012 | 000-23939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2012 | 20 Jan 2012 | 000-23939 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jan 2012 | 03 Jan 2012 | 000-23939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2012 | 03 Jan 2012 | 000-23939 |