| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 05 Apr 2023 | 03 Apr 2023 | 000-21318 | |
| 4 | Open Document | Open Filing | 06 Feb 2023 | 02 Feb 2023 | 000-21318 | |
| 4 | Open Document | Open Filing | 07 Feb 2022 | 03 Feb 2022 | 000-21318 | |
| 4 | Open Document | Open Filing | 08 Feb 2021 | 04 Feb 2021 | 000-21318 | |
| 4 | Open Document | Open Filing | 13 Aug 2020 | 11 Aug 2020 | 000-21318 | |
| 4 | Open Document | Open Filing | 18 Feb 2020 | 14 Feb 2020 | 000-21318 | |
| 4 | Open Document | Open Filing | 03 Feb 2020 | 30 Jan 2020 | 000-21318 | |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2019 | 14 Feb 2019 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2019 | 31 Jan 2019 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2018 | 23 Feb 2018 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2018 | 01 Feb 2018 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2017 | 13 Nov 2017 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2017 | 02 Feb 2017 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 31 Dec 2016 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2016 | 16 Nov 2016 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2016 | 22 Feb 2016 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2016 | 28 Jan 2016 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 31 Dec 2015 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2015 | 11 May 2015 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2015 | 13 Mar 2015 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2015 | 13 Feb 2015 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2015 | 29 Jan 2015 | 000-21318 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2015 | 31 Dec 2014 | 000-21318 |
| 3 | Open Document | Open Filing | FORM 3 | 26 Nov 2014 | 24 Nov 2014 | 000-21318 |