| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 1, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 2, 2022 | May 2, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2022 | Apr 1, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2022 | Mar 1, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2022 | Feb 1, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 19, 2022 | Jan 14, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2022 | Jan 1, 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2021 | Dec 1, 2021 | 000-56348 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 8, 2021 | Oct 8, 2021 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 14, 2018 | Feb 12, 2018 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 5, 2017 | Dec 1, 2017 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 15, 2017 | Sep 13, 2017 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 5, 2017 | Sep 1, 2017 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 14, 2017 | Aug 10, 2017 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2017 | Jun 1, 2017 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2017 | May 30, 2017 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2017 | Feb 28, 2017 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2017 | Jan 20, 2017 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 2, 2016 | Nov 30, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 27, 2016 | Oct 25, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2016 | Sep 14, 2016 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 2, 2016 | Aug 31, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2016 | Aug 22, 2016 | 000-27130 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Aug 12, 2016 | Aug 10, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 12, 2016 | Aug 10, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 22, 2016 | Jul 22, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 15, 2016 | Jul 13, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2016 | May 31, 2016 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2016 | Feb 29, 2016 | 001-36162 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 2, 2015 | Aug 31, 2015 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2015 | Nov 30, 2015 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2015 | Aug 31, 2015 | 001-36162 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 2, 2015 | May 31, 2015 | 001-36162 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 2, 2015 | Feb 28, 2015 | 001-36162 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 2, 2015 | Nov 30, 2014 | 001-36162 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Dec 2, 2015 | Aug 31, 2014 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 14, 2015 | Sep 10, 2015 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 31, 2015 | Jul 29, 2015 | 001-36162 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 31, 2015 | Aug 14, 2014 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 9, 2015 | May 31, 2015 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2015 | Jun 4, 2015 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2015 | May 13, 2015 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2015 | May 7, 2015 | 001-36162 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2015 | Feb 28, 2015 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2015 | Feb 25, 2015 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2014 | Nov 30, 2014 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 25, 2014 | Nov 24, 2014 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 12, 2014 | Aug 31, 2014 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 8, 2014 | Sep 4, 2014 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 15, 2014 | Aug 14, 2014 | 001-36162 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 25, 2014 | Mar 14, 2014 | 000-27130 |