| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO 31 | Nov 3, 2023 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2022 | Jun 27, 2022 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2022 | Jun 8, 2022 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2022 | May 31, 2022 | 000-12919 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2022 | May 31, 2022 | 001-11252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2022 | May 31, 2022 | 001-11252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2022 | May 24, 2022 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2022 | May 19, 2022 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2022 | May 16, 2022 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2022 | May 10, 2022 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2022 | Apr 3, 2022 | 001-11252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2021 | Dec 21, 2021 | 001-11252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2019 | Mar 7, 2019 | 001-11252 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2017 | Dec 15, 2017 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 27, 2017 | Sep 14, 2017 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2017 | Mar 16, 2017 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2017 | Mar 3, 2017 | 000-12919 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 27, 2016 | Jun 27, 2016 | 000-12919 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 1, 2016 | May 31, 2016 | 001-04987 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 6, 2016 | May 4, 2016 | 001-04987 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2015 | Dec 28, 2015 | 000-12919 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 1, 2015 | May 28, 2015 | 001-04987 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 13, 2014 | May 12, 2014 | 001-04987 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 21, 2014 | Apr 17, 2014 | 001-11252 |