| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2023 | 01 May 2023 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2022 | 01 May 2022 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2021 | 03 Nov 2021 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2021 | 01 May 2021 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2020 | 01 May 2020 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2019 | 01 May 2019 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2018 | 01 May 2018 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2017 | 01 May 2017 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Jul 2016 | 20 Jul 2016 | 000-24049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2016 | 01 May 2016 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Jul 2015 | 22 Jul 2015 | 000-24049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2015 | 01 May 2015 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Jul 2014 | 22 Jul 2014 | 000-24049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2014 | 01 May 2014 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2013 | 01 May 2013 | 001-35538 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 May 2013 | 23 May 2013 | 000-24049 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jun 2012 | 07 Jun 2012 | 000-24049 |
| 3 | Open Document | Open Filing | FORM 3 | 03 May 2012 | 03 May 2012 | 001-35538 |