| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | Nov 17, 2023 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2022 | May 12, 2022 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2022 | May 10, 2022 | 000-20322 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 14, 2022 | Apr 4, 2022 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 28, 2018 | Jun 26, 2018 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 22, 2017 | Nov 21, 2017 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2017 | Nov 17, 2017 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2017 | Nov 15, 2017 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2017 | Nov 14, 2017 | 000-20322 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2017 | Oct 1, 2017 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2017 | Apr 17, 2017 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 23, 2016 | Nov 21, 2016 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2016 | Nov 17, 2016 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2016 | Nov 15, 2016 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2016 | Nov 11, 2016 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2015 | Dec 8, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 23, 2015 | Nov 19, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2015 | Nov 16, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2015 | Nov 11, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2015 | Nov 10, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 7, 2015 | Aug 5, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2015 | Aug 4, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 12, 2015 | Jun 10, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2015 | Jun 5, 2015 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2014 | Dec 11, 2014 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2014 | Dec 8, 2014 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2014 | Nov 19, 2014 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2014 | Nov 17, 2014 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2014 | Nov 14, 2014 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 11, 2014 | 000-20322 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2014 | May 1, 2014 | 000-20322 |