| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2022 | 18 May 2022 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Aug 2021 | 20 Aug 2021 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jun 2021 | 15 Jun 2021 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2021 | 19 May 2021 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Aug 2020 | 20 Aug 2020 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2020 | 20 May 2020 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Oct 2019 | 28 Sep 2019 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2019 | 29 Jun 2019 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Apr 2019 | 30 Mar 2019 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2019 | 02 Jan 2019 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Nov 2018 | 07 Nov 2018 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Sep 2018 | 05 Sep 2018 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2018 | 02 Jan 2018 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Dec 2017 | 08 Dec 2017 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2017 | 03 Jan 2017 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Dec 2016 | 12 Dec 2016 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2016 | 04 Jan 2016 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2015 | 02 Dec 2015 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2015 | 31 Dec 2014 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Sep 2014 | 03 Sep 2014 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2014 | 04 Jan 2014 | 001-16137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jan 2013 | 29 Dec 2012 | 001-16137 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2012 | 30 Jul 2012 | 001-11302 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jul 2012 | 23 Jul 2013 | 001-11302 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2012 | 01 Jan 2012 | 001-16137 |