| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2024 | 16 Feb 2024 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Mar 2021 | 18 Mar 2021 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2020 | 06 Apr 2020 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2020 | 04 Mar 2020 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 04 Mar 2019 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Apr 2018 | 05 Apr 2018 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Mar 2017 | 21 Mar 2017 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2016 | 22 Jan 2016 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Dec 2015 | 01 Dec 2015 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2015 | 06 Mar 2015 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | 001-33147 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2014 | 01 Jul 2014 | 001-33147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2014 | 01 Jul 2014 | 001-33147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2014 | 06 May 2014 | 001-33147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2014 | 03 Mar 2014 | 001-33147 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2014 | 02 Jan 2014 | 001-33147 |