| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2025 | May 22, 2025 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2024 | May 23, 2024 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2024 | Apr 2, 2024 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2023 | May 25, 2023 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2022 | May 26, 2022 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2021 | May 27, 2021 | 001-16247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2020 | Aug 14, 2020 | 001-16247 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2020 | Aug 14, 2020 | 001-16247 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2016 | Dec 6, 2016 | 001-37388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2016 | Oct 1, 2016 | 001-37388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2016 | Jul 1, 2016 | 001-37388 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jun 29, 2016 | Apr 1, 2016 | 001-37388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2016 | Apr 1, 2016 | 001-37388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2016 | Jan 4, 2016 | 001-37388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2015 | Oct 1, 2015 | 001-37388 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2015 | Jul 1, 2015 | 001-37388 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 8, 2015 | May 29, 2015 | 001-37388 |