| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2023 | 23 Aug 2023 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2022 | 22 Aug 2022 | 000-25150 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Aug 2022 | 01 Aug 2022 | 001-07635 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2022 | 01 Feb 2022 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2021 | 01 Nov 2021 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2021 | 28 Oct 2021 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2021 | 25 Aug 2021 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2021 | 19 Aug 2021 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2021 | 17 Aug 2021 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2021 | 13 Aug 2021 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2021 | 11 Aug 2021 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2021 | 02 Aug 2021 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2020 | 29 Oct 2020 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Oct 2020 | 06 Oct 2020 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2019 | 31 Oct 2019 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2019 | 20 Aug 2019 | 000-25150 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2019 | 04 Feb 2019 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2019 | 08 Feb 2019 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2018 | 25 Oct 2018 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2018 | 12 Oct 2018 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Aug 2018 | 21 Aug 2018 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2017 | 26 Oct 2017 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2017 | 22 Aug 2017 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2017 | 25 May 2017 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2016 | 28 Oct 2016 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Aug 2016 | 23 Aug 2016 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2016 | 01 Mar 2016 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Mar 2016 | 26 Feb 2016 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2016 | 25 Feb 2016 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2015 | 23 Oct 2015 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Oct 2015 | 21 Oct 2015 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2015 | 24 Aug 2015 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2015 | 19 Aug 2015 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2015 | 12 Aug 2015 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Oct 2014 | 24 Oct 2014 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2014 | 17 Sep 2014 | 001-07635 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2014 | 29 Aug 2014 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2014 | 28 Aug 2014 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2014 | 20 Aug 2014 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2014 | 13 Aug 2014 | 000-25150 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2014 | 25 Feb 2014 | 000-25150 |