| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 6, 2021 | Dec 2, 2021 | 001-13146 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 20, 2021 | Aug 18, 2021 | 001-13146 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2021 | Aug 16, 2021 | 001-13146 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2021 | May 12, 2021 | 001-13146 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2021 | Feb 16, 2021 | 001-13146 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 8, 2021 | Jan 6, 2021 | 001-13146 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 10, 2020 | Jan 8, 2020 | 001-13146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 15, 2019 | Nov 13, 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 11, 2019 | Jun 7, 2019 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 11, 2019 | Jan 9, 2019 | 001-13146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 30, 2018 | Nov 30, 2018 | 001-14045 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2018 | Nov 15, 2018 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2018 | Jun 6, 2018 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 21, 2018 | Mar 20, 2018 | 001-33919 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2018 | Jan 5, 2018 | 001-13146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2018 | Jan 2, 2018 | 001-14045 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2017 | Jun 8, 2017 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2017 | Feb 8, 2017 | 001-33919 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 10, 2017 | Jan 6, 2017 | 001-13146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2017 | Jan 3, 2017 | 001-14045 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2016 | Jun 30, 2016 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2016 | Feb 2, 2016 | 001-33919 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 11, 2016 | Jan 7, 2016 | 001-13146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2016 | Jan 4, 2016 | 001-14045 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 19, 2015 | Aug 18, 2015 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2015 | Jun 2, 2015 | 000-24260 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2015 | Feb 4, 2015 | 001-33919 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2015 | Jan 7, 2015 | 001-13146 |
| 4 | Open Document | Open Filing | Jan 5, 2015 | Jan 2, 2015 | 001-14045 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 15, 2014 | Jul 14, 2014 | 001-13146 |
| 4 | Open Document | Open Filing | Jul 2, 2014 | Jul 1, 2014 | 000-24260 | |
| 4 | Open Document | Open Filing | Feb 24, 2014 | Feb 20, 2014 | 000-24260 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2014 | Feb 5, 2014 | 001-33919 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2014 | Jan 31, 2014 | 001-13146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2014 | Jan 31, 2014 | 001-13146 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2014 | Jan 8, 2014 | 001-13146 |
| 4 | Open Document | Open Filing | Jan 6, 2014 | Jan 2, 2014 | 001-14045 |