| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2025 | Apr 1, 2025 | 001-36672 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 19, 2024 | Aug 19, 2024 | 001-36672 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2024 | Jul 1, 2024 | 001-36672 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2024 | Feb 29, 2024 | 000-55136 | 
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2023 | Nov 6, 2023 | 000-55136 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2023 | Sep 29, 2023 | 001-36672 | 
| 4 | Open Document | Open Filing | FORM 4 | Aug 29, 2023 | Aug 25, 2023 | 000-55136 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2023 | Mar 3, 2023 | 001-36672 | 
| 4/A | Open Document | Open Filing | FORM 4/A | Jan 9, 2023 | Jan 5, 2023 | 000-55136 | 
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2023 | Jan 5, 2023 | 000-55136 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 3, 2022 | Feb 1, 2022 | 001-36672 | 
| 4 | Open Document | Open Filing | FORM 4 | Sep 16, 2021 | Sep 14, 2021 | 000-55136 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 26, 2021 | Jul 22, 2021 | 000-55136 | 
| 3 | Open Document | Open Filing | FORM 3 | Jul 26, 2021 | Jul 22, 2021 | 000-55136 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2021 | Feb 28, 2021 | 000-30111 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2021 | Feb 11, 2021 | 000-30111 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 3, 2021 | Feb 1, 2021 | 001-36672 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2020 | Apr 22, 2020 | 000-30111 | 
| 3 | Open Document | Open Filing | Mar 5, 2020 | Feb 28, 2020 | 000-55195 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2020 | Feb 28, 2020 | 000-30111 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 19, 2020 | Feb 14, 2020 | 001-36672 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2020 | Feb 6, 2020 | 000-30111 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2019 | Feb 28, 2019 | 000-30111 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2019 | Feb 7, 2019 | 000-30111 | 
| 4 | Open Document | Open Filing | FORM 4 | Feb 5, 2019 | Feb 1, 2019 | 001-36672 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 12, 2018 | Jul 10, 2018 | 001-36672 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2018 | Feb 28, 2018 | 000-30111 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2018 | Feb 8, 2018 | 000-30111 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 22, 2017 | Jun 21, 2017 | 001-36672 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2017 | Feb 9, 2017 | 000-30111 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 16, 2016 | 000-30111 | 
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2016 | May 16, 2016 | 000-30111 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 31, 2016 | Mar 29, 2016 | 001-36672 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 27, 2016 | Jan 25, 2016 | 001-36672 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 1, 2015 | Aug 28, 2015 | 001-36672 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 5, 2015 | May 1, 2015 | 001-36672 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 26, 2015 | Feb 24, 2015 | 001-36672 | 
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 23, 2015 | Feb 19, 2015 | 001-36672 | 
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 12, 2015 | Feb 12, 2015 | 001-36672 |