| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Apr 2025 | 15 Apr 2025 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2024 | 16 Apr 2024 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Apr 2023 | 18 Apr 2023 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2022 | 19 Apr 2022 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Apr 2021 | 20 Apr 2021 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2020 | 21 Apr 2020 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Apr 2019 | 16 Apr 2019 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jul 2018 | 26 Jul 2018 | 001-03932 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Apr 2018 | 17 Apr 2018 | 001-03932 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Apr 2017 | 18 Apr 2017 | 001-03932 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Apr 2016 | 19 Apr 2016 | 001-03932 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2016 | 17 Feb 2016 | 001-03932 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Apr 2015 | 21 Apr 2015 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2015 | 30 Jan 2015 | 001-00041 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Dec 2014 | 22 Dec 2014 | 001-00041 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2014 | 15 Apr 2014 | 001-00041 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Apr 2014 | 15 Apr 2014 | 001-03932 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2014 | 10 Mar 2014 | 001-00041 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Mar 2014 | 05 Mar 2014 | 001-00041 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2014 | 03 Mar 2014 | 001-00041 |