| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 15, 2023 | May 8, 2023 | 001-39036 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 2, 2023 | Dec 31, 2022 | 001-39036 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2022 | Apr 1, 2022 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2022 | Mar 1, 2022 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2022 | Feb 18, 2022 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2022 | Feb 16, 2022 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 31, 2022 | Jan 27, 2022 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 24, 2022 | Jan 21, 2022 | 001-07945 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 13, 2021 | May 12, 2021 | 001-39036 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2021 | Apr 1, 2021 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2021 | Feb 18, 2021 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 1, 2021 | Jan 28, 2021 | 001-07945 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 25, 2021 | Jan 22, 2021 | 001-07945 |
| 4 | Open Document | Open Filing | 4 | Jun 1, 2020 | May 28, 2020 | 001-39036 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 2, 2020 | Apr 1, 2020 | 001-07945 |
| 4 | Open Document | Open Filing | 4 | Feb 24, 2020 | Feb 21, 2020 | 001-07945 |
| 4 | Open Document | Open Filing | 4 | Feb 20, 2020 | Feb 18, 2020 | 001-07945 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2020 | Jan 17, 2020 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2020 | Jan 17, 2020 | 001-07945 |
| 4 | Open Document | Open Filing | 4 | Sep 18, 2019 | Sep 17, 2019 | 001-39036 |
| 3 | Open Document | Open Filing | 3 | Sep 12, 2019 | Sep 12, 2019 | 001-39036 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2019 | Apr 1, 2019 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2019 | Feb 21, 2019 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2019 | Feb 15, 2019 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2019 | Jan 24, 2019 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2019 | Jan 22, 2019 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2018 | Feb 23, 2018 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2018 | Feb 21, 2018 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Feb 12, 2018 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2018 | Jan 25, 2018 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2018 | Jan 19, 2018 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2017 | Feb 28, 2017 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 27, 2017 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2017 | Feb 23, 2017 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2017 | Jan 24, 2017 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2017 | Jan 20, 2017 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2016 | May 6, 2016 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2016 | Feb 17, 2016 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2016 | Jan 25, 2016 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Feb 12, 2015 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2015 | Jan 20, 2015 | 001-07945 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2014 | Feb 27, 2014 | 001-07945 |