| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2021 | 08 Jul 2021 | 001-33899 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Sep 2020 | 09 Sep 2020 | 001-33899 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jul 2018 | 05 Jul 2018 | 001-33899 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2017 | 15 Aug 2017 | 001-33899 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2017 | 06 Feb 2017 | 001-33899 |
| 3 | Open Document | Open Filing | 26 May 2016 | 12 May 2016 | 001-33899 |