| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2021 | Jul 30, 2021 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2021 | Jun 30, 2021 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2021 | May 28, 2021 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2021 | Apr 30, 2021 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2021 | Mar 31, 2021 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2021 | Feb 25, 2021 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2021 | Jan 29, 2021 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2021 | Dec 31, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2020 | Nov 30, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 3, 2020 | Oct 30, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2020 | Sep 30, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2020 | Aug 31, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 31, 2020 | Jul 31, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2020 | Jun 30, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2020 | May 29, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2020 | Apr 30, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 2, 2020 | Mar 31, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2020 | Feb 28, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2020 | Feb 25, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Jan 31, 2020 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 9, 2019 | Oct 7, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2019 | Jul 1, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2019 | Jun 30, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 31, 2019 | May 31, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2019 | Apr 30, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2019 | Mar 31, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2019 | Feb 28, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 1, 2019 | Jan 31, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 24, 2019 | Jan 22, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 11, 2019 | Jan 11, 2019 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2019 | Dec 31, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 30, 2018 | Nov 30, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 2, 2018 | Oct 31, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2018 | Sep 30, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 26, 2018 | Sep 24, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 25, 2018 | Sep 22, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2018 | Jun 30, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2018 | Mar 31, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2018 | Jan 31, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2018 | Jan 12, 2018 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2018 | Dec 31, 2017 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2017 | Sep 30, 2017 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2017 | May 15, 2017 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2017 | Mar 31, 2017 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2017 | Jan 31, 2017 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2017 | Dec 31, 2016 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 10, 2016 | Nov 9, 2016 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 30, 2016 | Sep 30, 2016 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2016 | Jun 30, 2016 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2016 | Mar 31, 2016 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2016 | Jan 31, 2016 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2016 | Dec 31, 2015 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 6, 2015 | Oct 5, 2015 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2015 | Sep 30, 2015 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 8, 2015 | Jul 6, 2015 | 000-21392 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2015 | Jan 31, 2015 | 000-21392 |
| 4 | Open Document | Open Filing | JAN 2014 GRANTS | Jan 10, 2014 | Jan 8, 2014 | 000-21392 |