| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 28 Jul 2023 | 27 Jul 2023 | 001-37769 | |
| 4 | Open Document | Open Filing | 30 Jan 2023 | 26 Jan 2023 | 001-37769 | |
| 4 | Open Document | Open Filing | 31 Jan 2022 | 27 Jan 2022 | 001-37769 | |
| 4 | Open Document | Open Filing | 29 Jan 2021 | 27 Jan 2021 | 001-37769 | |
| 4 | Open Document | Open Filing | 02 Jul 2020 | 01 Jul 2020 | 001-37769 | |
| 4 | Open Document | Open Filing | 24 Jan 2020 | 22 Jan 2020 | 001-37769 | |
| 4 | Open Document | Open Filing | 18 Jun 2019 | 14 Jun 2019 | 001-37769 | |
| 4 | Open Document | Open Filing | 04 Feb 2019 | 31 Jan 2019 | 001-37769 | |
| 4/A | Open Document | Open Filing | 03 Jul 2018 | 14 Jun 2018 | 001-37769 | |
| 4 | Open Document | Open Filing | 18 Jun 2018 | 14 Jun 2018 | 001-37769 | |
| 4 | Open Document | Open Filing | 25 Jan 2018 | 23 Jan 2018 | 001-37769 | |
| 4 | Open Document | Open Filing | 16 Jun 2017 | 14 Jun 2017 | 001-37769 | |
| 4 | Open Document | Open Filing | 04 Apr 2017 | 31 Mar 2017 | 001-37769 | |
| 3 | Open Document | Open Filing | 04 Apr 2017 | 31 Dec 2016 | 001-37769 | |
| 4 | Open Document | Open Filing | FORM 4 | 05 Aug 2015 | 30 Jul 2015 | 000-18188 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Apr 2015 | 08 Apr 2015 | 000-18188 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2014 | 25 Jul 2014 | 000-18188 |