| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 11 Jun 2021 | 20 May 2021 | 001-12107 | |
| 4 | Open Document | Open Filing | 22 May 2020 | 20 May 2020 | 001-12107 | |
| 4 | Open Document | Open Filing | 14 Jun 2019 | 12 Jun 2019 | 001-12107 | |
| 4 | Open Document | Open Filing | 18 Jun 2018 | 14 Jun 2018 | 001-12107 | |
| 4 | Open Document | Open Filing | 15 Jun 2017 | 15 Jun 2017 | 001-12107 | |
| 4 | Open Document | Open Filing | 20 Jun 2016 | 16 Jun 2016 | 001-12107 | |
| 4 | Open Document | Open Filing | 22 Jun 2015 | 18 Jun 2015 | 001-12107 | |
| 4 | Open Document | Open Filing | 03 Feb 2015 | 30 Jan 2015 | 001-12107 | |
| 4 | Open Document | Open Filing | 04 Nov 2014 | 31 Oct 2014 | 001-12107 | |
| 4 | Open Document | Open Filing | 05 Aug 2014 | 01 Aug 2014 | 001-12107 | |
| 4 | Open Document | Open Filing | 23 Jun 2014 | 19 Jun 2014 | 001-12107 |