| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2022 | 26 Jan 2022 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2021 | 26 Jan 2021 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jan 2020 | 21 Jan 2020 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2019 | 30 Jan 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jan 2019 | 22 Jan 2019 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jan 2018 | 23 Jan 2018 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2017 | 31 Jan 2017 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2017 | 24 Jan 2017 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2016 | 01 Feb 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2016 | 26 Jan 2016 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2015 | 20 May 2015 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2015 | 06 Feb 2015 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jan 2015 | 27 Jan 2015 | 001-16335 |
| 4/A | Open Document | Open Filing | FORM 4/A | 17 Nov 2014 | 12 Nov 2014 | 001-16335 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2014 | 12 Nov 2014 | 001-16335 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2014 | 01 Jun 2014 | 001-16335 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jun 2014 | 01 Jun 2014 | 001-16335 |