| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Jul 2022 | 25 Jul 2022 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2021 | 15 Jun 2021 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Apr 2021 | 05 Apr 2021 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2021 | 01 Apr 2021 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2020 | 24 Dec 2020 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2020 | 15 Jun 2020 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2020 | 19 May 2020 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2020 | 14 May 2020 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2019 | 21 May 2019 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2018 | 14 Dec 2018 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 17 May 2018 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2018 | 07 May 2018 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2017 | 15 Dec 2017 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2017 | 17 May 2017 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2016 | 15 Dec 2016 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2016 | 18 May 2016 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2015 | 15 Dec 2015 | 001-14315 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2015 | 14 May 2015 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2014 | 15 Dec 2014 | 001-14315 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2014 | 05 Sep 2014 | 001-35979 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2014 | 05 Sep 2014 | 001-35979 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2014 | 05 Sep 2014 | 001-35979 |