| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Dec 13, 2023 | Dec 12, 2023 | 000-01402 | |
| 4 | Open Document | Open Filing | Dec 8, 2023 | Dec 7, 2023 | 000-01402 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2022 | Dec 12, 2022 | 000-01402 |
| 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 | Mar 12, 2019 | Mar 8, 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 | FORM 4 SUBMISSION | Aug 8, 2017 | Aug 8, 2017 | 001-32548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2017 | Mar 10, 2017 | 001-09764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2016 | Dec 12, 2016 | 000-01402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 13, 2016 | Dec 9, 2016 | 001-09764 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2016 | Dec 6, 2016 | 001-09764 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 6, 2016 | Dec 4, 2016 | 001-09764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2016 | Jun 16, 2016 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2015 | Dec 14, 2015 | 000-01402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 11, 2015 | Dec 3, 2015 | 001-09764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 28, 2015 | May 26, 2015 | 001-32548 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2014 | Dec 15, 2014 | 000-01402 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2014 | Dec 5, 2014 | 001-09764 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 8, 2014 | Dec 4, 2014 | 001-09764 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2014 | Dec 3, 2014 | 001-09764 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2014 | May 29, 2014 | 001-32548 |