| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2022 | 05 May 2022 | 001-13300 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2021 | 06 May 2021 | 001-13300 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2020 | 30 Apr 2020 | 001-13300 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2019 | 02 May 2019 | 001-13300 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2018 | 02 May 2018 | 001-13300 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2017 | 03 May 2017 | 001-13300 |
| 4 | Open Document | Open Filing | 06 May 2016 | 04 May 2016 | 001-13300 | |
| 4 | Open Document | Open Filing | 04 May 2015 | 30 Apr 2015 | 001-13300 | |
| 4 | Open Document | Open Filing | 05 May 2014 | 01 May 2014 | 001-13300 | |
| 4 | Open Document | Open Filing | 06 May 2013 | 02 May 2013 | 001-13300 | |
| 4 | Open Document | Open Filing | 21 Feb 2013 | 19 Feb 2013 | 001-13300 | |
| 3 | Open Document | Open Filing | 21 Feb 2013 | 19 Feb 2013 | 001-13300 |