| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2024 | 14 May 2024 | 000-50307 |
| 144 | Open Document | Open Filing | 14 May 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2023 | 19 May 2023 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2022 | 27 May 2022 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2022 | 14 May 2022 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2021 | 14 May 2021 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2020 | 15 May 2020 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2019 | 17 May 2019 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2018 | 26 May 2018 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2018 | 18 May 2018 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2017 | 26 May 2017 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2017 | 20 May 2017 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2017 | 10 Mar 2017 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2017 | 22 Jan 2017 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2016 | 15 Nov 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2016 | 24 Oct 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2016 | 03 Aug 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2016 | 28 Jul 2016 | 000-14864 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2016 | 20 May 2016 | 000-50307 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2016 | 02 May 2016 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2016 | 22 Apr 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2016 | 22 Jan 2016 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2015 | 24 Oct 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2015 | 03 Aug 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 May 2015 | 18 May 2015 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2015 | 01 May 2015 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Apr 2015 | 21 Apr 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2015 | 16 Apr 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jan 2015 | 22 Jan 2015 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2014 | 24 Oct 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2014 | 06 Aug 2014 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2014 | 03 Aug 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2014 | 22 May 2014 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2014 | 16 May 2014 | 000-50307 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2014 | 21 Apr 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2014 | 13 Feb 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2014 | 21 Jan 2014 | 000-14864 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jan 2014 | 16 Jan 2014 | 000-14864 |