| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2025 | 15 May 2025 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2024 | 10 May 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jan 2024 | 29 Jan 2024 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2023 | 18 May 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2023 | 02 Mar 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2023 | 21 Feb 2023 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2021 | 26 May 2021 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2020 | 27 May 2020 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jul 2019 | 24 Jul 2019 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2018 | 28 Jun 2018 | 000-20288 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Nov 2017 | 01 Nov 2017 | 000-20288 |
| 3 | Open Document | Open Filing | FORM 3 | 02 Nov 2017 | 01 Nov 2017 | 000-20288 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2017 | 01 Nov 2017 | 000-30106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2016 | 02 May 2016 | 000-30106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2015 | 01 May 2015 | 000-30106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2014 | 24 Jun 2014 | 000-30106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2014 | 24 Jun 2014 | 000-30106 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2014 | 24 Jun 2014 | 000-30106 |