| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2022 | 01 Feb 2022 | 001-33977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Nov 2021 | 19 Nov 2021 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2021 | 15 Feb 2021 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2020 | 02 Dec 2020 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2020 | 19 Nov 2020 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2020 | 14 Feb 2020 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2019 | 19 Nov 2019 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2019 | 12 Mar 2019 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2018 | 03 Dec 2018 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2018 | 19 Nov 2018 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2018 | 06 Aug 2018 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2018 | 30 Apr 2018 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2017 | 27 Nov 2017 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2017 | 19 Nov 2017 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2017 | 06 Feb 2017 | 001-33977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2016 | 19 Nov 2016 | 001-33977 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 20 Apr 2016 | 001-33977 |