| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 4, 2022 | Mar 31, 2022 | 000-10792 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 23, 2022 | Mar 21, 2022 | 000-10792 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2022 | Mar 2, 2022 | 000-10792 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 18, 2022 | Jan 13, 2022 | 000-10792 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2021 | Mar 18, 2021 | 000-10792 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2021 | Mar 16, 2021 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2021 | Mar 12, 2021 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2021 | Mar 10, 2021 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2021 | Mar 5, 2021 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2020 | Mar 17, 2020 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2019 | Jun 7, 2019 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2019 | May 29, 2019 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2019 | Mar 19, 2019 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2019 | Mar 4, 2019 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2018 | Dec 6, 2018 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 7, 2018 | Jun 6, 2018 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2018 | Mar 20, 2018 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Feb 28, 2018 | 000-10792 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Aug 8, 2017 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2017 | Aug 30, 2017 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2017 | Aug 29, 2017 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 29, 2017 | Aug 25, 2017 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2017 | Aug 8, 2017 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 24, 2017 | Mar 21, 2017 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2016 | May 2, 2016 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2016 | Apr 12, 2016 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2016 | Mar 30, 2016 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2016 | Mar 15, 2016 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 25, 2015 | Aug 25, 2015 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 23, 2015 | Jun 11, 2015 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2015 | May 4, 2015 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2015 | Mar 17, 2015 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2015 | Mar 17, 2015 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2014 | Jun 13, 2014 | 000-10792 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2014 | May 29, 2014 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2014 | May 29, 2014 | 000-10792 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2014 | May 8, 2014 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2014 | May 8, 2014 | 000-10792 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2014 | May 2, 2014 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2014 | May 2, 2014 | 000-10792 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2014 | Feb 7, 2014 | 000-10792 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2014 | Jan 31, 2014 | 000-10792 |