| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2024 | 18 May 2024 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 May 2023 | 18 May 2023 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2022 | 20 May 2022 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2022 | 10 Feb 2022 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2021 | 21 May 2021 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2020 | 10 Jun 2020 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2020 | 22 May 2020 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2019 | 12 Dec 2019 | 000-51222 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2019 | 31 May 2019 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jan 2019 | 14 Jan 2019 | 000-51222 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2018 | 01 Jun 2018 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2018 | 31 May 2018 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2017 | 20 Nov 2017 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2017 | 01 Jun 2017 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2017 | 14 Mar 2017 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2016 | 08 May 2014 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2016 | 08 Aug 2016 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 May 2016 | 25 May 2016 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 May 2016 | 12 May 2016 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2016 | 07 Mar 2016 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2015 | 03 Jun 2015 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Sep 2014 | 28 Aug 2014 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2014 | 21 Aug 2014 | 000-51222 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2014 | 30 May 2014 | 000-51222 |