| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 30 Dec 2022 | 28 Dec 2022 | 001-14891 | |
| 4 | Open Document | Open Filing | 13 Apr 2022 | 11 Apr 2022 | 001-14891 | |
| 4 | Open Document | Open Filing | 30 Dec 2021 | 28 Dec 2021 | 001-14891 | |
| 4 | Open Document | Open Filing | 12 Jan 2021 | 31 Dec 2020 | 001-14891 | |
| 4 | Open Document | Open Filing | 28 Dec 2020 | 16 Dec 2020 | 001-14891 | |
| 4/A | Open Document | Open Filing | 30 Nov 2020 | 07 May 2020 | 001-14891 | |
| 4 | Open Document | Open Filing | 20 Jul 2020 | 14 Jul 2020 | 001-14891 | |
| 4 | Open Document | Open Filing | 14 May 2020 | 07 May 2020 | 001-14891 | |
| 4 | Open Document | Open Filing | 19 Feb 2020 | 31 Dec 2019 | 001-14891 | |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2014 | 10 Jun 2014 | 001-14891 |