| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 15 Dec 2022 | 13 Dec 2022 | 001-08052 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 22 Aug 2022 | 19 Aug 2022 | 001-08052 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 24 Feb 2022 | 23 Feb 2022 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2021 | 23 Apr 2021 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2021 | 24 Feb 2021 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2020 | 16 Nov 2020 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2020 | 26 Feb 2020 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2019 | 04 Nov 2019 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Apr 2019 | 22 Apr 2019 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Mar 2019 | 28 Mar 2019 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2019 | 28 Feb 2019 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2018 | 26 Feb 2018 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2018 | 04 Jan 2018 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2017 | 21 Feb 2017 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2016 | 31 May 2016 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2016 | 24 Feb 2016 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2015 | 25 Feb 2015 | 001-08052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2014 | 24 Feb 2014 | 001-08052 |