| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2025 | Jun 6, 2025 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2024 | Jun 24, 2024 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 12, 2023 | Jul 12, 2023 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 28, 2022 | Jun 28, 2022 | 001-08491 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2022 | Dec 31, 2021 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2021 | Jun 8, 2021 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2021 | Jun 4, 2021 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 9, 2020 | Jul 9, 2020 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2019 | Jun 25, 2019 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 16, 2019 | Jan 14, 2019 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 10, 2018 | Jul 9, 2018 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 7, 2018 | Mar 5, 2018 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2018 | Mar 1, 2018 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 9, 2018 | Feb 7, 2018 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2017 | Jul 5, 2017 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2017 | Mar 6, 2017 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 15, 2017 | Feb 13, 2017 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 8, 2017 | Feb 7, 2017 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 8, 2016 | Sep 6, 2016 | 001-34778 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Sep 8, 2016 | Jun 30, 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 30, 2016 | Jun 30, 2016 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2016 | Jun 7, 2016 | 001-08491 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2016 | May 30, 2016 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2016 | Mar 7, 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 24, 2016 | Feb 22, 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2016 | Feb 16, 2016 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2015 | Dec 7, 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 10, 2015 | Sep 8, 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 9, 2015 | Sep 4, 2015 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2015 | Jul 7, 2015 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2015 | Jun 5, 2015 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2015 | May 30, 2015 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2015 | Mar 5, 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 24, 2015 | Feb 20, 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2015 | Feb 12, 2015 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2014 | Dec 5, 2014 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2014 | Dec 2, 2014 | 001-36047 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 9, 2014 | Sep 5, 2014 | 001-36047 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 9, 2014 | Sep 5, 2014 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2014 | Jun 25, 2014 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2014 | Jun 6, 2014 | 001-34778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2014 | May 30, 2014 | 001-08491 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2014 | Mar 7, 2014 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2014 | Mar 5, 2014 | 001-34778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2014 | Feb 13, 2014 | 001-34778 |