| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 7, 2022 | Dec 2, 2022 | 001-05707 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 27, 2021 | May 19, 2021 | 001-05707 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 11, 2021 | May 10, 2021 | 001-36870 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 4, 2021 | May 3, 2021 | 001-36870 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 25, 2020 | Jun 22, 2020 | 001-05707 |
| 3 | Open Document | Open Filing | FORM 3 | May 7, 2020 | Mar 30, 2020 | 001-05707 |
| 4 | Open Document | Open Filing | 4 | Apr 29, 2020 | Apr 27, 2020 | 001-36870 |
| 4 | Open Document | Open Filing | 4 | May 1, 2019 | Apr 29, 2019 | 001-36870 |
| 4 | Open Document | Open Filing | 4 | May 2, 2018 | Apr 30, 2018 | 001-36870 |
| 4 | Open Document | Open Filing | 4 | Jul 5, 2017 | Jul 1, 2017 | 001-36870 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2017 | Feb 23, 2017 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 23, 2017 | Feb 21, 2017 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 21, 2017 | Feb 17, 2017 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2017 | Feb 11, 2017 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2016 | Nov 30, 2016 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 30, 2016 | Nov 28, 2016 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2016 | Oct 1, 2016 | 000-01088 |
| 4 | Open Document | Open Filing | 4 | Jul 13, 2016 | Jul 11, 2016 | 001-36870 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 5, 2016 | Jul 1, 2016 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2016 | Feb 17, 2016 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2016 | Feb 11, 2016 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2015 | Oct 1, 2015 | 000-01088 |
| 4 | Open Document | Open Filing | Jul 10, 2015 | Jul 8, 2015 | 001-36870 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2015 | Jul 1, 2015 | 000-01088 |
| 3 | Open Document | Open Filing | Jun 24, 2015 | Jun 19, 2015 | 001-36870 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2015 | Feb 11, 2015 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2014 | Dec 1, 2014 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2014 | Oct 1, 2014 | 000-01088 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2014 | Jul 1, 2014 | 000-01088 |