| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 Dec 2023 | 21 Dec 2023 | 001-03647 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Dec 2021 | 07 Dec 2021 | 001-03647 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Aug 2021 | 12 Aug 2021 | 001-03647 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Dec 2020 | 11 Dec 2020 | 001-03647 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2014 | 05 Nov 2014 | 001-03647 |