| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2025 | May 12, 2025 | 001-03157 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 14, 2025 | Apr 10, 2025 | 001-38646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2024 | May 13, 2024 | 001-03157 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 15, 2024 | Apr 11, 2024 | 001-38646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2023 | May 8, 2023 | 001-03157 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 17, 2023 | Apr 13, 2023 | 001-38646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2022 | May 9, 2022 | 001-03157 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 18, 2022 | Apr 14, 2022 | 001-38646 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2022 | Mar 4, 2022 | 001-38646 |
| 4 | Open Document | Open Filing | Feb 28, 2022 | Feb 24, 2022 | 000-52423 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2021 | May 10, 2021 | 001-03157 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 19, 2021 | Apr 15, 2021 | 001-38646 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 26, 2021 | Feb 24, 2021 | 000-52423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2020 | May 11, 2020 | 001-03157 |
| 4 | Open Document | Open Filing | Apr 13, 2020 | Apr 9, 2020 | 001-38646 | |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 12, 2020 | Mar 11, 2020 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 10, 2020 | Mar 6, 2020 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 18, 2019 | Dec 16, 2019 | 000-52423 |
| 3 | Open Document | Open Filing | FORM 3 - | Dec 18, 2019 | Dec 16, 2019 | 000-52423 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2019 | May 13, 2019 | 001-03157 |
| 4 | Open Document | Open Filing | Apr 15, 2019 | Apr 11, 2019 | 001-38646 | |
| 4 | Open Document | Open Filing | Apr 3, 2019 | Apr 1, 2019 | 001-38646 | |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 3, 2019 | Apr 1, 2019 | 001-38646 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2018 | May 7, 2018 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2017 | Dec 15, 2017 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2017 | Nov 6, 2017 | 001-03157 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2017 | Nov 4, 2017 | 001-03157 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2017 | Apr 3, 2017 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2017 | Feb 10, 2017 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2016 | Mar 3, 2016 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2016 | Feb 22, 2016 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2016 | Feb 12, 2016 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2016 | Feb 11, 2016 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2016 | Feb 3, 2016 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2015 | Mar 5, 2015 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Feb 12, 2015 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2015 | Feb 6, 2015 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2014 | Dec 16, 2014 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2014 | Mar 7, 2014 | 000-27261 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2014 | Feb 14, 2014 | 000-27261 |