| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Aug 1, 2025 | Jul 31, 2025 | 001-15451 | |
| 4 | Open Document | Open Filing | May 9, 2025 | May 8, 2025 | 001-15451 | |
| 4 | Open Document | Open Filing | Jul 25, 2024 | Jul 25, 2024 | 001-15451 | |
| 4 | Open Document | Open Filing | May 3, 2024 | May 2, 2024 | 001-15451 | |
| 4 | Open Document | Open Filing | Mar 14, 2024 | Mar 12, 2024 | 001-40837 | |
| 4 | Open Document | Open Filing | Jun 9, 2023 | Jun 7, 2023 | 001-40837 | |
| 4 | Open Document | Open Filing | May 5, 2023 | May 4, 2023 | 001-15451 | |
| 4 | Open Document | Open Filing | Jun 13, 2022 | Jun 9, 2022 | 001-40837 | |
| 4 | Open Document | Open Filing | May 9, 2022 | May 5, 2022 | 001-15451 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 23, 2021 | Sep 23, 2021 | 001-40837 |
| 4 | Open Document | Open Filing | May 17, 2021 | May 13, 2021 | 001-15451 | |
| 4 | Open Document | Open Filing | Oct 2, 2020 | Sep 30, 2020 | 001-15451 | |
| 4 | Open Document | Open Filing | May 15, 2020 | May 14, 2020 | 001-15451 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2019 | Oct 1, 2019 | 001-01183 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2019 | May 9, 2019 | 001-15451 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2018 | Oct 1, 2018 | 001-01183 |
| 4 | Open Document | Open Filing | May 11, 2018 | May 10, 2018 | 001-15451 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2017 | Oct 1, 2017 | 001-01183 |
| 4 | Open Document | Open Filing | May 5, 2017 | May 4, 2017 | 001-15451 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2017 | Feb 7, 2017 | 001-00278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 4, 2016 | Oct 1, 2016 | 001-01183 |
| 4 | Open Document | Open Filing | May 6, 2016 | May 5, 2016 | 001-15451 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2016 | Feb 2, 2016 | 001-00278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2015 | Oct 1, 2015 | 001-01183 |
| 4 | Open Document | Open Filing | May 8, 2015 | May 7, 2015 | 001-15451 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 25, 2015 | Mar 23, 2015 | 001-01183 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Mar 25, 2015 | Mar 23, 2015 | 001-01183 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2015 | Feb 3, 2015 | 001-00278 |
| 4 | Open Document | Open Filing | May 9, 2014 | May 8, 2014 | 001-15451 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2014 | Feb 4, 2014 | 001-00278 |
| 4/A | Open Document | Open Filing | FORM 4A | Jan 3, 2014 | Nov 8, 2013 | 001-34466 |