| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2023 | 14 Dec 2023 | 001-13752 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2023 | 07 Jun 2023 | 001-13752 |
| 144 | Open Document | Open Filing | 08 Jun 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2022 | 08 Dec 2022 | 001-13752 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2022 | 26 Oct 2022 | 001-13752 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Dec 2021 | 10 Dec 2021 | 001-13752 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2021 | 26 Oct 2021 | 001-13752 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Apr 2021 | 09 Apr 2021 | 001-13752 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Dec 2020 | 08 Dec 2020 | 001-13752 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2017 | 22 May 2017 | 001-13752 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jan 2017 | 05 Jan 2017 | 001-13752 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Dec 2015 | 30 Nov 2015 | 001-13752 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Jun 2013 | 14 Jun 2013 | 001-13752 |