| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 10, 2021 | Dec 9, 2021 | 000-01402 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2020 | Dec 10, 2020 | 000-01402 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2019 | Dec 12, 2019 | 000-01402 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2018 | Dec 13, 2018 | 000-01402 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2017 | Dec 14, 2017 | 000-01402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2017 | May 12, 2017 | 001-36876 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2017 | May 5, 2017 | 001-08430 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2016 | Dec 12, 2016 | 000-01402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2016 | May 13, 2016 | 001-36876 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2016 | May 10, 2016 | 001-08430 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2015 | Dec 14, 2015 | 000-01402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2015 | Jul 1, 2015 | 001-36876 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2015 | Jun 15, 2015 | 001-36876 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2015 | May 14, 2015 | 001-08430 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2015 | May 11, 2015 | 001-34658 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2014 | Dec 15, 2014 | 000-01402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2014 | May 15, 2014 | 001-34658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 14, 2014 | May 12, 2014 | 001-08430 |