| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 May 2025 | 30 Apr 2025 | 001-12162 | |
| 4 | Open Document | Open Filing | 26 Apr 2024 | 24 Apr 2024 | 001-12162 | |
| 4 | Open Document | Open Filing | 28 Apr 2023 | 26 Apr 2023 | 001-12162 | |
| 4 | Open Document | Open Filing | 29 Apr 2022 | 27 Apr 2022 | 001-12162 | |
| 4 | Open Document | Open Filing | 30 Apr 2021 | 28 Apr 2021 | 001-12162 | |
| 4 | Open Document | Open Filing | 01 May 2020 | 29 Apr 2020 | 001-12162 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2020 | 26 Feb 2020 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2019 | 24 Apr 2019 | 001-12162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Mar 2019 | 12 Mar 2019 | 000-21964 |
| 4 | Open Document | Open Filing | 27 Apr 2018 | 25 Apr 2018 | 001-12162 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2018 | 02 Mar 2018 | 000-21964 |
| 4 | Open Document | Open Filing | 28 Apr 2017 | 26 Apr 2017 | 001-12162 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2017 | 09 Mar 2017 | 000-21964 |
| 3 | Open Document | Open Filing | 16 Nov 2016 | 09 Nov 2016 | 001-12162 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2016 | 10 Mar 2016 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2015 | 18 Mar 2015 | 000-21964 |
| 3 | Open Document | Open Filing | FORM 3 | 22 Sep 2014 | 21 Aug 2014 | 000-21964 |