| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2023 | 19 Dec 2023 | 001-15723 |
| 4 | Open Document | Open Filing | 02 Mar 2023 | 30 Jan 2023 | 001-40939 | |
| 4 | Open Document | Open Filing | FORM 4 | 11 Oct 2022 | 06 Oct 2022 | 001-15723 |
| 3 | Open Document | Open Filing | 20 Oct 2021 | 20 Oct 2021 | 001-40939 | |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2021 | 12 Oct 2021 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Oct 2021 | 04 Oct 2021 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jun 2021 | 28 Jun 2021 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Oct 2020 | 12 Oct 2020 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Oct 2020 | 06 Oct 2020 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2019 | 19 Dec 2019 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Oct 2019 | 07 Oct 2019 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Mar 2019 | 25 Mar 2019 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Sep 2018 | 25 Sep 2018 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2018 | 15 Mar 2018 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2017 | 15 Dec 2017 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2017 | 12 Dec 2017 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Oct 2017 | 12 Oct 2017 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Sep 2017 | 15 Sep 2017 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2017 | 09 Jun 2017 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2017 | 15 Mar 2017 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Sep 2016 | 19 Sep 2016 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2016 | 15 Sep 2016 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Mar 2016 | 17 Mar 2016 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Sep 2015 | 19 Sep 2015 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2015 | 16 Sep 2015 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Sep 2014 | 19 Sep 2014 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2014 | 16 Sep 2014 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2014 | 13 Sep 2014 | 001-15723 |
| 4/A | Open Document | Open Filing | FORM 4/A | 15 Oct 2013 | 16 Sep 2013 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Sep 2013 | 16 Sep 2013 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2013 | 12 Sep 2013 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jul 2013 | 12 Jul 2013 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Sep 2012 | 13 Sep 2012 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Sep 2012 | 12 Sep 2012 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Sep 2012 | 10 Sep 2012 | 001-15723 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Jun 2012 | 08 Jun 2012 | 001-15723 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2012 | 31 Dec 2011 | 000-22512 |