| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 May 2022 | 14 Apr 2022 | 000-23153 | |
| 4 | Open Document | Open Filing | 03 Jan 2022 | 28 Dec 2021 | 000-23153 | |
| 4 | Open Document | Open Filing | 03 May 2018 | 01 May 2018 | 000-23153 | |
| 4 | Open Document | Open Filing | 13 Apr 2018 | 30 Nov 2017 | 000-23153 | |
| 4 | Open Document | Open Filing | 11 Oct 2017 | 01 Oct 2016 | 000-23153 | |
| 4 | Open Document | Open Filing | 26 Apr 2016 | 01 Apr 2016 | 000-23153 | |
| 5 | Open Document | Open Filing | 09 Dec 2015 | 30 Sep 2015 | 000-23153 | |
| 4 | Open Document | Open Filing | 10 Feb 2015 | 01 Oct 2014 | 000-23153 | |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jul 2014 | 01 Jul 2014 | 000-23153 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Apr 2014 | 01 Apr 2014 | 000-23153 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jan 2014 | 02 Jan 2014 | 000-23153 |