| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2025 | Apr 23, 2025 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2024 | Nov 1, 2024 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 2, 2023 | Nov 1, 2023 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 19, 2023 | Jan 17, 2023 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2022 | Dec 1, 2022 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2022 | Jan 3, 2022 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 9, 2021 | Apr 7, 2021 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 19, 2021 | Jan 4, 2021 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 2, 2020 | Nov 1, 2020 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Jan 2, 2020 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2019 | Mar 13, 2019 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2019 | Jan 2, 2019 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2018 | Jan 2, 2018 | 000-33385 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 4, 2017 | 000-33385 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 26, 2016 | Aug 16, 2016 | 000-51365 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2016 | Jan 4, 2016 | 000-33385 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 23, 2015 | Jun 22, 2015 | 001-08777 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 8, 2015 | Jun 4, 2015 | 000-51365 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 21, 2015 | Jan 20, 2015 | 000-33385 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 26, 2014 | Aug 22, 2014 | 000-51365 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 23, 2014 | Jun 19, 2014 | 000-51365 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 27, 2014 | May 20, 2014 | 000-51365 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 25, 2014 | Jun 25, 2014 | 001-08777 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 20, 2014 | Jun 20, 2014 | 001-08777 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 20, 2014 | Jun 18, 2014 | 001-08777 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2014 | Jan 9, 2014 | 000-33385 |