| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2025 | 12 Jun 2025 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2024 | 18 Jun 2024 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2023 | 08 Jun 2023 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2022 | 09 Jun 2022 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2022 | 03 Mar 2022 | 001-06620 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Dec 2021 | 21 Dec 2021 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2021 | 10 Jun 2021 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2021 | 12 Apr 2021 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2021 | 28 Jan 2021 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2020 | 11 Jun 2020 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2020 | 04 Jun 2020 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Mar 2020 | 27 Mar 2020 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2020 | 23 Mar 2020 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2020 | 30 Jan 2020 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2019 | 13 Jun 2019 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Mar 2019 | 27 Mar 2019 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2019 | 31 Jan 2019 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2018 | 14 Jun 2018 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2018 | 08 Jun 2018 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2018 | 31 Jan 2018 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2017 | 15 Jun 2017 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2017 | 31 Jan 2017 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2016 | 16 Jun 2016 | 000-18183 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2016 | 29 Jan 2016 | 001-06620 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jul 2015 | 30 Jul 2015 | 001-06620 |
| 3 | Open Document | Open Filing | FORM 3 | 30 Jul 2015 | 30 Jul 2015 | 001-06620 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2015 | 30 Jun 2015 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2015 | 10 Jun 2015 | 000-18183 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2015 | 24 Sep 2012 | 000-18183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2014 | 10 Jun 2014 | 000-18183 |