| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2025 | 13 Mar 2025 | 000-09143 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Mar 2024 | 14 Mar 2024 | 000-09143 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Mar 2023 | 09 Mar 2023 | 000-09143 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Mar 2022 | 10 Mar 2022 | 000-09143 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Mar 2021 | 11 Mar 2021 | 000-09143 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2020 | 12 Mar 2020 | 000-09143 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2019 | 14 Mar 2019 | 000-09143 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2018 | 15 Mar 2018 | 000-09143 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Mar 2017 | 09 Mar 2017 | 000-09143 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2016 | 10 Mar 2016 | 000-09143 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2015 | 12 Mar 2015 | 000-09143 |
| 3 | Open Document | Open Filing | FORM 3 | 13 Mar 2015 | 12 Mar 2015 | 000-09143 |