| 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 | 24 Feb 2022 | 01 Feb 2022 | 001-15817 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 29 Nov 2021 | 26 Oct 2021 | 001-15817 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 15 Apr 2021 | 11 Mar 2021 | 001-15817 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 05 Mar 2021 | 04 Mar 2021 | 001-15817 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 22 Feb 2021 | 01 Feb 2021 | 001-15817 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 01 Feb 2021 | 28 Jan 2021 | 001-15817 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2020 | 12 Nov 2020 | 001-15817 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Nov 2020 | 10 Nov 2020 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2020 | 01 Feb 2020 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2020 | 30 Jan 2020 | 001-15817 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2019 | 22 Nov 2016 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2019 | 30 Apr 2019 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jan 2019 | 24 Jan 2019 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2018 | 25 Jan 2018 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2018 | 25 Jan 2018 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2017 | 02 Feb 2017 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2017 | 26 Jan 2017 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2016 | 17 Nov 2016 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2016 | 18 Aug 2016 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2016 | 15 Mar 2016 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Feb 2016 | 28 Jan 2016 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2015 | 02 Feb 2015 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2015 | 22 Jan 2015 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2014 | 25 Feb 2014 | 001-15817 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2014 | 23 Jan 2014 | 001-15817 |