| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2025 | Apr 30, 2025 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2024 | Nov 5, 2024 | 001-36290 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2024 | May 1, 2024 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 30, 2023 | Oct 26, 2023 | 001-36290 |
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2023 | May 3, 2023 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 7, 2022 | Nov 3, 2022 | 001-36290 |
| 4 | Open Document | Open Filing | FORM 4 | May 5, 2022 | May 3, 2022 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2021 | Nov 3, 2021 | 001-36290 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2021 | May 4, 2021 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2020 | Nov 3, 2020 | 001-36290 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2020 | Apr 29, 2020 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 8, 2019 | Nov 6, 2019 | 001-36290 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2019 | May 20, 2019 | 000-26640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2019 | May 1, 2019 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2018 | Nov 2, 2018 | 001-36290 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2018 | May 21, 2018 | 000-26640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2018 | May 2, 2018 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2017 | Nov 2, 2017 | 001-36290 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2017 | May 2, 2017 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2016 | Oct 28, 2016 | 001-36290 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2016 | May 4, 2016 | 000-26640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2015 | Nov 17, 2015 | 000-26640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2015 | Nov 12, 2015 | 000-26640 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2015 | Oct 29, 2015 | 001-36290 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2015 | May 6, 2015 | 000-26640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2015 | Mar 17, 2015 | 000-25346 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2014 | Aug 7, 2014 | 000-25346 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2014 | Jun 30, 2014 | 001-36290 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 20, 2014 | Jun 18, 2014 | 000-25346 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2014 | May 7, 2014 | 000-26640 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2014 | Jan 30, 2014 | 000-25346 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 31, 2014 | Jan 30, 2014 | 001-36290 |