| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 29 Jan 2024 | 15 Jan 2024 | 000-15327 | |
| 4 | Open Document | Open Filing | 17 Dec 2019 | 13 Dec 2019 | 000-15327 | |
| 4 | Open Document | Open Filing | FORM 4 | 19 Dec 2017 | 15 Dec 2017 | 000-15327 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Dec 2016 | 15 Dec 2016 | 000-15327 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2015 | 15 Dec 2015 | 000-15327 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2014 | 15 Dec 2014 | 000-15327 |