| 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 | 03 Jun 2022 | 02 Jun 2022 | 001-08841 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 22 Feb 2022 | 17 Feb 2022 | 001-08841 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 02 Dec 2021 | 01 Dec 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2021 | 15 Apr 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Apr 2021 | 07 Apr 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Apr 2021 | 05 Apr 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2021 | 01 Apr 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2021 | 16 Mar 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2021 | 15 Mar 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2021 | 11 Feb 2021 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2020 | 26 May 2020 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2020 | 13 Feb 2020 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Sep 2019 | 23 Sep 2019 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2019 | 14 Feb 2019 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Aug 2018 | 22 Aug 2018 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2018 | 14 May 2018 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Feb 2018 | 15 Feb 2018 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2017 | 30 May 2017 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2017 | 17 Feb 2017 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2016 | 13 Jun 2016 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 12 Feb 2016 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2015 | 17 Dec 2015 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 13 Feb 2015 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2015 | 06 Jan 2015 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2014 | 14 Feb 2014 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2013 | 15 Aug 2013 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2013 | 14 Jun 2013 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2013 | 15 Feb 2013 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2012 | 27 Nov 2012 | 001-08841 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2012 | 15 Aug 2012 | 001-08841 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2012 | 02 May 2012 | 001-08841 |