| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Nov 29, 2021 | Nov 29, 2021 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2021 | Aug 9, 2021 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2021 | Feb 19, 2021 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2021 | Jan 31, 2021 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2021 | Jan 27, 2021 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2020 | Nov 10, 2020 | 001-07349 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2020 | Sep 15, 2020 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2020 | Sep 15, 2020 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2020 | Jan 31, 2020 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2020 | Jan 29, 2020 | 001-07349 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2019 | Sep 15, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2019 | Sep 15, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 10, 2019 | Jun 6, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2019 | Jan 31, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 25, 2019 | Jan 23, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2018 | Dec 17, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 13, 2018 | Nov 8, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2018 | Sep 18, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2018 | Sep 15, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 22, 2018 | Feb 22, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2018 | Feb 15, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2018 | Feb 14, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 8, 2018 | Feb 8, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2018 | Jan 31, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2018 | Jan 24, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2017 | Dec 6, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2017 | Nov 27, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 27, 2017 | Oct 25, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 20, 2017 | Sep 20, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2017 | Sep 15, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2017 | Aug 25, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2017 | Aug 18, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 1, 2017 | Jul 28, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 24, 2017 | Jul 21, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2017 | Jun 14, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2017 | Mar 15, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2017 | Mar 10, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2017 | Feb 3, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2017 | Jan 31, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2017 | Jan 25, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2016 | Dec 21, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2016 | Dec 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 9, 2016 | Jul 27, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2016 | Sep 15, 2016 | 001-07349 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 13, 2016 | Aug 8, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2016 | Aug 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 9, 2016 | Aug 8, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2016 | Jun 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2016 | Mar 17, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2016 | Mar 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2016 | Feb 5, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 2, 2016 | Jan 29, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2016 | Jan 27, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2015 | Dec 15, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2015 | Sep 11, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2015 | Sep 15, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2015 | Jun 15, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2015 | Mar 16, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2015 | Mar 13, 2015 | 001-07349 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2015 | Feb 4, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2015 | Feb 6, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2015 | Feb 4, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2014 | Dec 15, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2014 | Sep 16, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 11, 2014 | Sep 10, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2014 | Sep 8, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 23, 2014 | Jun 20, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 18, 2014 | Jun 16, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2014 | Mar 18, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2014 | Mar 18, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 14, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 14, 2014 | 001-07349 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 5, 2014 | Jan 31, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2014 | Feb 7, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2014 | Jan 31, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 31, 2014 | Jan 29, 2014 | 001-07349 |