| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jun 2, 2025 | May 29, 2025 | 000-14678 | |
| 4 | Open Document | Open Filing | May 23, 2025 | May 21, 2025 | 000-14678 | |
| 4 | Open Document | Open Filing | Jun 5, 2024 | Jun 3, 2024 | 000-14678 | |
| 4 | Open Document | Open Filing | May 24, 2024 | May 22, 2024 | 000-14678 | |
| 4 | Open Document | Open Filing | Jun 2, 2023 | May 31, 2023 | 000-14678 | |
| 4 | Open Document | Open Filing | May 19, 2023 | May 17, 2023 | 000-14678 | |
| 4 | Open Document | Open Filing | Jun 7, 2022 | Jun 3, 2022 | 000-14678 | |
| 4 | Open Document | Open Filing | May 31, 2022 | May 26, 2022 | 000-14678 | |
| 4 | Open Document | Open Filing | May 20, 2022 | May 18, 2022 | 000-14678 | |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 1, 2021 | May 27, 2021 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 27, 2021 | May 25, 2021 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 21, 2021 | May 19, 2021 | 000-14678 |
| 4/A | Open Document | Open Filing | FORM 4/A - | May 22, 2020 | May 20, 2020 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 22, 2020 | May 20, 2020 | 000-14678 |
| 5 | Open Document | Open Filing | FORM 5 - | Mar 6, 2020 | Feb 1, 2020 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 24, 2019 | May 22, 2019 | 000-14678 |
| 5 | Open Document | Open Filing | FORM 5 - | Mar 8, 2019 | Feb 2, 2019 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 25, 2018 | May 23, 2018 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 16, 2018 | Mar 15, 2018 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 31, 2017 | May 22, 2017 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 19, 2017 | May 17, 2017 | 000-14678 |
| 5 | Open Document | Open Filing | FORM 5 - | Mar 6, 2017 | Jan 28, 2017 | 000-14678 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2016 | Nov 18, 2016 | 001-13458 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 3, 2016 | Apr 19, 2016 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | May 20, 2016 | May 18, 2016 | 000-14678 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2016 | Apr 15, 2016 | 001-13458 |
| 4 | Open Document | Open Filing | FORM 4 - | Jan 28, 2016 | Jan 26, 2016 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 4, 2015 | May 26, 2015 | 000-14678 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2015 | Aug 31, 2015 | 001-13458 |
| 4 | Open Document | Open Filing | FORM 4 - | May 22, 2015 | May 20, 2015 | 000-14678 |
| 5 | Open Document | Open Filing | FORM 5 - | Mar 2, 2015 | Jan 31, 2015 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 13, 2015 | Feb 11, 2015 | 000-14678 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2014 | Jun 17, 2014 | 001-13458 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2014 | Jun 4, 2014 | 001-13458 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2014 | Jun 4, 2014 | 001-13458 |
| 4 | Open Document | Open Filing | FORM 4 - | May 22, 2014 | May 21, 2014 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 5, 2014 | Mar 3, 2014 | 000-14678 |