| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2022 | 20 Jul 2022 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Feb 2022 | 03 Feb 2022 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2021 | 20 Jul 2021 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2021 | 04 Feb 2021 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Sep 2020 | 21 Sep 2020 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2020 | 21 Jul 2020 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2020 | 06 May 2020 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2020 | 06 Feb 2020 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2019 | 22 Jul 2019 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2019 | 07 Feb 2019 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2018 | 23 Jul 2018 | 001-16131 |
| 4 | Open Document | Open Filing | 12 Feb 2018 | 08 Feb 2018 | 001-16131 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2017 | 20 Jul 2017 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2017 | 09 Feb 2017 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2016 | 20 Jul 2016 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 11 Feb 2016 | 001-16131 |
| SC 13D/A | Open Document | Open Filing | 08 Dec 2015 | |||
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2015 | 01 Dec 2015 | 001-16131 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2015 | 02 Nov 2015 | 001-16131 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Oct 2015 | 01 Oct 2015 | 001-16131 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2015 | 01 Sep 2015 | 001-16131 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2015 | 12 Aug 2015 | 001-16131 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2015 | 07 Aug 2015 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2015 | 21 Jul 2015 | 001-16131 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 12 Feb 2015 | 001-16131 |
| SC 13D | Open Document | Open Filing | 07 Feb 2014 | |||
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2014 | 06 Jan 2014 | 001-16131 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2014 | 02 Jan 2014 | 001-16131 |