| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 8, 2024 | Oct 8, 2024 | 001-05507 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 22, 2024 | Mar 12, 2024 | 001-05507 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2020 | Mar 4, 2020 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2019 | Jul 3, 2019 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2019 | Feb 27, 2019 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2018 | Jul 3, 2018 | 001-08430 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2018 | Jul 3, 2018 | 001-08430 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2018 | Feb 26, 2018 | 001-37983 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 21, 2018 | Feb 19, 2018 | 001-37983 |
| 3 | Open Document | Open Filing | FORM 3 | Nov 13, 2017 | Nov 6, 2017 | 001-37983 |