| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2022 | 08 Feb 2022 | 001-34221 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Sep 2021 | 15 Sep 2021 | 001-34221 |
| 4/A | Open Document | Open Filing | FORM 4/A | 12 Apr 2021 | 10 Feb 2021 | 001-34221 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2021 | 13 Feb 2021 | 001-34221 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2021 | 10 Feb 2021 | 001-34221 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2020 | 11 Dec 2020 | 001-34221 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2020 | 13 Feb 2020 | 001-34221 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2019 | 11 Dec 2019 | 001-34221 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Dec 2019 | 11 Dec 2019 | 001-34221 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2019 | 16 May 2019 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2019 | 18 Apr 2019 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2019 | 08 Feb 2019 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2018 | 03 May 2018 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2018 | 11 Apr 2018 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2017 | 28 Nov 2017 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Nov 2017 | 10 Nov 2017 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2017 | 08 Feb 2017 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Dec 2016 | 01 Dec 2016 | 001-11993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2016 | 10 Nov 2016 | 001-11993 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2016 | 09 Sep 2016 | 001-11993 |