| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2023 | 03 Mar 2023 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2023 | 23 Feb 2023 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2022 | 26 May 2022 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2022 | 15 Feb 2022 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2021 | 12 Aug 2021 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2021 | 10 Jun 2021 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jun 2021 | 08 Jun 2021 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2021 | 27 May 2021 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2020 | 22 Jul 2020 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2020 | 28 Apr 2020 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2019 | 22 May 2019 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2019 | 11 Feb 2019 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2019 | 07 Feb 2019 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2018 | 01 May 2018 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2017 | 02 May 2017 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2016 | 03 May 2016 | 000-23877 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2015 | 28 Apr 2015 | 000-23877 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Feb 2015 | 17 Feb 2015 | 001-35650 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2014 | 03 Jun 2014 | 001-35650 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2014 | 27 Feb 2014 | 000-23877 |