| 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 | 08 Dec 2021 | 08 Dec 2021 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2021 | 17 Jun 2021 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2020 | 10 Sep 2020 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2020 | 18 Jun 2020 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2019 | 04 Sep 2019 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jun 2019 | 20 Jun 2019 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2019 | 31 May 2019 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2018 | 21 Jun 2018 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2018 | 03 Apr 2018 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2017 | 15 Jun 2017 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2016 | 16 Jun 2016 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2016 | 27 May 2016 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2015 | 18 Jun 2015 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2015 | 19 Jun 2014 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2014 | 19 Jun 2014 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2013 | 20 Jun 2013 | 001-07572 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2012 | 21 Jun 2012 | 001-07572 |