| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 25 May 2023 | 23 May 2023 | 000-33043 | |
| 5 | Open Document | Open Filing | 14 Feb 2023 | 31 Dec 2021 | 000-33043 | |
| 4 | Open Document | Open Filing | 26 May 2022 | 24 May 2022 | 000-33043 | |
| 4 | Open Document | Open Filing | FORM 4 - | 26 May 2021 | 25 May 2021 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 May 2020 | 26 May 2020 | 000-33043 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 08 Jul 2019 | 14 May 2019 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 May 2019 | 14 May 2019 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 May 2018 | 15 May 2018 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 May 2017 | 23 May 2017 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Feb 2017 | 21 Feb 2017 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Nov 2016 | 03 Nov 2016 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 May 2016 | 24 May 2016 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 May 2016 | 05 May 2016 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 27 May 2015 | 26 May 2015 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 May 2015 | 19 May 2015 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Nov 2014 | 06 Nov 2014 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Jun 2014 | 11 Jun 2014 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Jun 2014 | 20 May 2014 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Feb 2014 | 07 Feb 2014 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 May 2013 | 21 May 2013 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 May 2013 | 10 May 2013 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Feb 2013 | 12 Feb 2013 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Feb 2013 | 06 Feb 2013 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Dec 2012 | 20 Nov 2012 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Nov 2012 | 16 Nov 2012 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Sep 2012 | 06 Sep 2012 | 000-33043 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 May 2012 | 22 May 2012 | 000-33043 |