| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 08 Nov 2024 | 07 Nov 2024 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2022 | 02 May 2022 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2022 | 21 Apr 2022 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2021 | 03 May 2021 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2021 | 22 Apr 2021 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2020 | 01 May 2020 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2020 | 23 Apr 2020 | 001-39154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2019 | 01 May 2019 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2019 | 25 Apr 2019 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2018 | 01 May 2018 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2018 | 26 Apr 2018 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Aug 2017 | 08 Aug 2017 | 001-32548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2017 | 02 May 2017 | 000-15637 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 27 Apr 2017 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2016 | 16 Jun 2016 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2016 | 28 May 2016 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2016 | 18 May 2016 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Apr 2016 | 21 Apr 2016 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2015 | 26 May 2015 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2015 | 20 May 2015 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Apr 2015 | 23 Apr 2015 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2014 | 29 May 2014 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2014 | 21 May 2014 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Apr 2014 | 24 Apr 2014 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2013 | 19 Jun 2013 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2013 | 22 May 2013 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Apr 2013 | 25 Apr 2013 | 000-15637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jun 2012 | 21 Jun 2012 | 001-32548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 May 2012 | 26 Apr 2012 | 000-15637 |