| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 24, 2024 | Jun 20, 2024 | 001-14124 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 22, 2023 | Jun 20, 2023 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | May 13, 2022 | May 11, 2022 | 000-22490 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 4, 2022 | Jan 1, 2022 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2021 | May 20, 2021 | 000-22490 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2021 | Mar 15, 2021 | 000-22490 |
| 3 | Open Document | Open Filing | FORM 3 | Mar 17, 2021 | Mar 15, 2021 | 000-22490 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 1, 2021 | 001-14124 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 6, 2020 | Jan 1, 2020 | 001-14124 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 3, 2020 | Jan 1, 2020 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2019 | May 10, 2019 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2019 | Jan 1, 2019 | 001-14124 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 17, 2018 | Nov 3, 2008 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2018 | Jan 1, 2018 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2017 | Mar 17, 2017 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2017 | Jan 1, 2017 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2016 | Jan 1, 2016 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2015 | Jan 2, 2015 | 001-14124 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2014 | Jan 2, 2014 | 001-14124 |