| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2021 | Aug 15, 2021 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 2, 2021 | May 28, 2021 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2021 | May 15, 2021 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 24, 2021 | Mar 22, 2021 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 26, 2021 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 15, 2021 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2020 | Nov 30, 2020 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 17, 2020 | Nov 15, 2020 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 2, 2020 | Aug 31, 2020 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2020 | Aug 15, 2020 | 001-35551 |
| 4 | Open Document | Open Filing | Jun 1, 2020 | May 29, 2020 | 001-35551 | |
| 4 | Open Document | Open Filing | May 19, 2020 | May 15, 2020 | 001-35551 | |
| 4 | Open Document | Open Filing | Mar 24, 2020 | Mar 20, 2020 | 001-35551 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2020 | Feb 27, 2020 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2020 | Feb 15, 2020 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2019 | Dec 2, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2019 | Nov 15, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 4, 2019 | Oct 31, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2019 | Oct 15, 2019 | 001-35551 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2019 | Sep 3, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2019 | Sep 3, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 19, 2019 | Aug 15, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 2, 2019 | Jul 31, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2019 | Jul 15, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2019 | May 31, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2019 | Apr 30, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2019 | Apr 15, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2019 | Apr 3, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2019 | Mar 20, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 4, 2019 | Feb 28, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2019 | Feb 15, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2019 | Jan 15, 2019 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2018 | Nov 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 5, 2018 | Nov 1, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 31, 2018 | Oct 29, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2018 | Oct 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2018 | Oct 1, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 31, 2018 | Aug 29, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2018 | Aug 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2018 | Jul 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2018 | May 24, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2018 | May 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2018 | Apr 25, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2018 | Apr 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 22, 2018 | Mar 20, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Feb 27, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 20, 2018 | Feb 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2018 | Jan 26, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2018 | Jan 15, 2018 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2017 | Nov 28, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2017 | Nov 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 27, 2017 | Oct 26, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2017 | Oct 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 25, 2017 | Aug 24, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2017 | Aug 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 14, 2017 | Aug 10, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 18, 2017 | Jul 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2017 | May 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2017 | Apr 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2017 | Mar 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2017 | Feb 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 18, 2017 | Jan 15, 2017 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2016 | Dec 7, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2016 | Nov 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 18, 2016 | Oct 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2016 | Oct 4, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 9, 2016 | Sep 8, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 17, 2016 | Aug 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2016 | Aug 2, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 19, 2016 | Jul 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2016 | Jul 6, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2016 | Jun 13, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2016 | May 17, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2016 | May 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2016 | Apr 15, 2016 | 001-35551 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 19, 2016 | Feb 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2016 | Mar 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2016 | Feb 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2016 | Jan 15, 2016 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2015 | Nov 15, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 19, 2015 | Oct 15, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 22, 2015 | Sep 21, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2015 | Aug 19, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2015 | Aug 15, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2015 | Jul 13, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 26, 2015 | Jun 24, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2015 | May 20, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2015 | May 15, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 6, 2015 | Apr 2, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2015 | Mar 16, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2015 | Mar 10, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2015 | Feb 15, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2015 | Feb 3, 2015 | 001-35551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2014 | Nov 15, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 10, 2014 | Oct 8, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2014 | Sep 17, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 19, 2014 | Aug 15, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 8, 2014 | Aug 6, 2014 | 001-35551 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 28, 2014 | Jul 23, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 25, 2014 | Jul 24, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2014 | Jun 11, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 19, 2014 | May 15, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 9, 2014 | May 7, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 11, 2014 | Apr 9, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2014 | Mar 17, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2014 | Mar 12, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2014 | Feb 19, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 19, 2014 | Feb 15, 2014 | 001-35551 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2014 | Jan 8, 2014 | 001-35551 |