| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Sep 11, 2025 | Sep 9, 2025 | 000-27130 |
| 4 | Open Document | Open Filing | 4 | Sep 12, 2024 | Sep 10, 2024 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2024 | Jan 5, 2024 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 14, 2023 | Sep 12, 2023 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2023 | Jun 21, 2023 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 12, 2022 | Sep 8, 2022 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 27, 2022 | Jun 23, 2022 | 001-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 13, 2021 | Sep 9, 2021 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 28, 2021 | Jun 24, 2021 | 001-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 11, 2020 | Sep 9, 2020 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2020 | Jun 24, 2020 | 001-16435 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 17, 2020 | Jun 15, 2020 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Feb 28, 2020 | 001-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 13, 2019 | Sep 11, 2019 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2019 | Jun 27, 2019 | 001-16435 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 19, 2019 | Jun 17, 2019 | 001-33089 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 14, 2018 | Sep 13, 2018 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2018 | Jun 21, 2018 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 19, 2018 | Jun 15, 2018 | 001-33089 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2017 | Nov 15, 2017 | 000-27130 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2017 | Nov 9, 2017 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2017 | Jun 22, 2017 | 001-16435 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 26, 2017 | Jun 22, 2017 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 26, 2017 | Jun 22, 2017 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2017 | Mar 15, 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2017 | Mar 7, 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2017 | Mar 2, 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Feb 28, 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2017 | Feb 8, 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 21, 2016 | Jul 20, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 21, 2016 | Jun 17, 2016 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 21, 2016 | Jun 20, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2016 | May 20, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2016 | Apr 28, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 30, 2016 | Mar 29, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2016 | Mar 15, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 25, 2016 | Feb 22, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2016 | Feb 17, 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2015 | Dec 21, 2015 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2015 | Nov 20, 2015 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2015 | Nov 4, 2015 | 001-36422 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 23, 2015 | Jun 19, 2015 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2015 | Mar 13, 2015 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2015 | Jan 7, 2015 | 001-33089 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 9, 2015 | Jan 7, 2015 | 001-33089 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 21, 2014 | Apr 17, 2014 | 001-36422 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 17, 2014 | Apr 17, 2014 | 001-36422 |