| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2022 | Nov 15, 2022 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 30, 2022 | Aug 28, 2022 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 30, 2022 | Mar 29, 2022 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2021 | Mar 1, 2021 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 15, 2020 | Dec 14, 2020 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2020 | Dec 10, 2020 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2020 | Nov 5, 2020 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2020 | Aug 28, 2020 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 7, 2020 | Aug 5, 2020 | 001-39375 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2020 | Jun 18, 2020 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2020 | Jun 15, 2020 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2020 | May 13, 2020 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2020 | May 12, 2020 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2020 | Apr 29, 2020 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2020 | Apr 28, 2020 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 30, 2019 | Aug 28, 2019 | 000-16195 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2019 | Jun 30, 2019 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2019 | Apr 12, 2019 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2019 | Mar 13, 2019 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2019 | Mar 11, 2019 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2019 | Mar 1, 2019 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 23, 2018 | Nov 20, 2018 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2018 | Aug 30, 2018 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 30, 2018 | Aug 28, 2018 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2018 | Mar 2, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2018 | Jun 18, 2018 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2017 | Oct 31, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2017 | Oct 2, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2017 | Aug 18, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2017 | Aug 15, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2017 | Jul 24, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 21, 2017 | Jun 20, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2017 | Mar 24, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 28, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2017 | Feb 2, 2017 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2016 | Aug 30, 2016 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 23, 2016 | Aug 20, 2016 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2016 | Aug 16, 2016 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2016 | Apr 29, 2016 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2016 | Feb 10, 2016 | 001-04801 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 24, 2015 | Nov 20, 2015 | 000-16195 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 28, 2015 | Aug 26, 2015 | 000-16195 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2015 | Aug 15, 2015 | 000-16195 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2015 | Aug 15, 2015 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2015 | Jun 18, 2015 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2015 | Feb 10, 2015 | 001-04801 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2015 | Jan 29, 2015 | 000-16195 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2014 | Sep 5, 2014 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2014 | Sep 5, 2014 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2014 | Aug 16, 2014 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 25, 2014 | Jun 24, 2014 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 24, 2014 | Jun 20, 2014 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 20, 2014 | Jun 18, 2014 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 18, 2014 | Jun 16, 2014 | 000-16195 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2014 | Feb 12, 2014 | 001-04801 |