| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2022 | May 3, 2022 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2021 | May 4, 2021 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2020 | May 5, 2020 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2019 | May 7, 2019 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2018 | May 16, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2018 | May 7, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 24, 2018 | Apr 23, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 10, 2018 | Apr 9, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 27, 2018 | Mar 26, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2018 | Mar 12, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2018 | Feb 26, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2018 | Feb 12, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2018 | Jan 29, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 17, 2018 | Jan 16, 2018 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2017 | May 9, 2017 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2017 | Feb 23, 2017 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 23, 2016 | Dec 21, 2016 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 13, 2016 | May 13, 2016 | 001-11257 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2016 | May 3, 2016 | 001-05353 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 29, 2016 | Mar 25, 2016 | 001-11257 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 25, 2016 | Jan 21, 2016 | 001-05353 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 11, 2015 | Aug 11, 2015 | 001-11257 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2015 | May 5, 2015 | 001-05353 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2015 | Mar 16, 2015 | 001-05353 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Feb 27, 2015 | 001-11257 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2015 | Feb 25, 2015 | 001-05353 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Dec 31, 2014 | 001-11257 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2014 | Dec 26, 2014 | 001-11257 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2014 | Dec 1, 2014 | 001-05353 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 30, 2014 | Sep 26, 2014 | 001-11257 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2014 | Mar 28, 2014 | 001-11257 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2014 | Jun 27, 2014 | 001-11257 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2014 | May 2, 2014 | 001-05353 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2014 | Feb 26, 2014 | 001-05353 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2014 | Mar 28, 2014 | 001-11257 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2014 | Feb 27, 2014 | 001-11257 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2014 | Feb 26, 2014 | 001-05353 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2014 | Dec 31, 2013 | 001-11257 |