| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2022 | May 31, 2022 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2021 | Jan 4, 2021 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 2, 2020 | Jul 1, 2020 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2020 | Jun 1, 2020 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 29, 2020 | May 28, 2020 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 31, 2019 | May 29, 2019 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 30, 2019 | May 28, 2019 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 18, 2019 | Apr 16, 2019 | 001-07275 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2019 | Jan 15, 2019 | 001-37817 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2018 | May 30, 2018 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 31, 2018 | May 29, 2018 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2018 | May 18, 2018 | 001-07275 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2018 | Jan 15, 2018 | 001-37817 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2018 | Dec 28, 2017 | 001-07275 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 18, 2017 | Jul 14, 2017 | 001-37817 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2017 | May 30, 2017 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2017 | May 30, 2017 | 001-07275 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2017 | Jan 15, 2017 | 001-37817 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 13, 2017 | Dec 31, 2016 | 001-37817 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 9, 2017 | Jan 5, 2017 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2016 | Jun 1, 2016 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2016 | May 30, 2016 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2015 | Jun 1, 2015 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 29, 2015 | May 27, 2015 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 29, 2014 | May 27, 2014 | 001-07275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 26, 2014 | Mar 24, 2014 | 001-07275 |