| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2023 | 01 May 2023 | 001-04415 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2022 | 12 Apr 2022 | 001-04415 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2021 | 02 Apr 2021 | 001-04415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Apr 2020 | 09 Apr 2020 | 001-04415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2019 | 30 Jul 2019 | 001-04415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2019 | 07 May 2019 | 001-04415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2016 | 12 Jan 2016 | 001-04415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | 001-04415 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Mar 2014 | 26 Feb 2014 | 001-04415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2014 | 26 Feb 2014 | 001-04415 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2012 | 04 Sep 2012 | 001-04415 |