| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 10, 2021 | Nov 8, 2021 | 001-40994 |
| 3 | Open Document | Open Filing | FORM 3 | Nov 3, 2021 | Nov 3, 2021 | 001-40994 |
| 4 | Open Document | Open Filing | FORM 4 | May 30, 2018 | May 29, 2018 | 001-36779 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2018 | May 16, 2018 | 001-36779 |
| 4 | Open Document | Open Filing | FORM 4 | May 31, 2017 | May 30, 2017 | 001-36779 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2017 | May 10, 2017 | 001-36779 |
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2016 | May 11, 2016 | 001-36779 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2015 | Jun 1, 2015 | 001-36779 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2015 | Apr 1, 2015 | 001-02217 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 22, 2014 | Dec 22, 2014 | 001-36779 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2014 | Dec 15, 2014 | 001-02217 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 16, 2014 | Dec 16, 2014 | 001-36779 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 10, 2014 | 001-02217 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 3, 2014 | Oct 1, 2014 | 001-02217 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 3, 2014 | Jul 1, 2014 | 001-02217 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2014 | Apr 1, 2014 | 001-02217 |