| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Jul 2021 | 01 Jul 2021 | 001-09225 | |
| 4 | Open Document | Open Filing | 09 Jul 2020 | 08 Jul 2020 | 001-09225 | |
| 4 | Open Document | Open Filing | 17 Jul 2019 | 16 Jul 2019 | 001-09225 | |
| 4 | Open Document | Open Filing | 16 Jul 2018 | 12 Jul 2018 | 001-09225 | |
| 4 | Open Document | Open Filing | 17 Jul 2017 | 13 Jul 2017 | 001-09225 | |
| 4 | Open Document | Open Filing | 05 Jul 2016 | 30 Jun 2016 | 001-09225 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2016 | 23 May 2016 | 001-09344 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2016 | 04 Jan 2016 | 001-33658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2015 | 04 Aug 2015 | 001-09344 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2015 | 03 Aug 2015 | 001-09344 |
| 4 | Open Document | Open Filing | 13 Jul 2015 | 09 Jul 2015 | 001-09225 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2015 | 02 Jan 2015 | 001-33658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2014 | 05 Aug 2014 | 001-09344 |
| 4 | Open Document | Open Filing | 10 Jul 2014 | 08 Jul 2014 | 001-09225 | |
| 4 | Open Document | Open Filing | 25 Mar 2014 | 21 Mar 2014 | 001-16735 | |
| 4 | Open Document | Open Filing | 18 Feb 2014 | 13 Feb 2014 | 001-16735 | |
| 4 | Open Document | Open Filing | 08 Jan 2014 | 07 Jan 2014 | 001-16735 | |
| 4 | Open Document | Open Filing | 03 Jan 2014 | 31 Dec 2013 | 001-16735 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2014 | 02 Jan 2014 | 001-33658 |