| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2023 | 18 May 2023 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2022 | 18 May 2022 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2021 | 19 May 2021 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 20 May 2020 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 10 Jan 2020 | 31 Dec 2019 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2019 | 22 May 2019 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 18 Jan 2019 | 31 Dec 2018 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2018 | 23 May 2018 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 05 Jan 2018 | 31 Dec 2017 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2017 | 07 Dec 2017 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 13 Jan 2017 | 31 Dec 2016 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 11 Feb 2016 | 31 Dec 2015 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2015 | 21 Aug 2015 | 001-13447 |
| 4/A | Open Document | Open Filing | FORM 4/A | 13 May 2015 | 08 May 2015 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2015 | 08 May 2015 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2015 | 31 Dec 2014 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2014 | 13 Aug 2014 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2014 | 31 Dec 2013 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Nov 2013 | 08 Nov 2013 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2013 | 20 Aug 2013 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2013 | 09 May 2013 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 13 Feb 2013 | 31 Dec 2012 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Apr 2012 | 23 Apr 2012 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 20 Jan 2012 | 31 Dec 2011 | 001-13447 |