| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2022 | 13 May 2022 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2021 | 18 Nov 2021 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2021 | 03 Sep 2021 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2020 | 23 Nov 2020 | 000-25259 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2020 | 14 Aug 2020 | 000-25259 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2020 | 04 Dec 2019 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2020 | 14 Aug 2020 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Dec 2019 | 04 Dec 2019 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2019 | 27 Nov 2019 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2018 | 15 Nov 2018 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2018 | 23 Aug 2018 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2018 | 13 Jun 2018 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2018 | 08 Feb 2018 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2017 | 13 Dec 2017 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2017 | 16 Nov 2017 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2016 | 17 Nov 2016 | 000-25259 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2015 | 19 Nov 2015 | 000-25259 |
| 4/A | Open Document | Open Filing | FORM 4/A | 13 Oct 2015 | 07 Oct 2015 | 001-36551 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Oct 2015 | 07 Oct 2015 | 001-36551 |
| 5 | Open Document | Open Filing | FORM 5 | 11 Feb 2015 | 31 Dec 2014 | 001-36551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2014 | 20 Nov 2014 | 000-25259 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2014 | 20 Nov 2014 | 000-25259 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jul 2014 | 22 Jul 2014 | 001-36551 |
| 3 | Open Document | Open Filing | FORM 3 | 17 Jul 2014 | 17 Jul 2014 | 001-36551 |