| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 23, 2021 | Jul 22, 2021 | 001-38341 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 17, 2021 | Jun 16, 2021 | 001-38341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2020 | Sep 15, 2020 | 001-38341 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 18, 2020 | Jun 16, 2020 | 001-38341 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Apr 16, 2020 | Mar 31, 2020 | 001-38341 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2020 | Mar 31, 2020 | 001-38341 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2018 | Mar 29, 2018 | 001-38341 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2018 | Dec 29, 2017 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2017 | Sep 30, 2017 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2017 | Jun 30, 2017 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2017 | Mar 31, 2017 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2017 | Dec 30, 2016 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2016 | Sep 30, 2016 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2016 | Jun 30, 2016 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2016 | Mar 31, 2016 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2016 | Dec 31, 2015 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 1, 2015 | Sep 30, 2015 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2015 | Jun 30, 2015 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 2, 2015 | Mar 31, 2015 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2015 | Dec 31, 2014 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2014 | Sep 30, 2014 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2014 | Jun 30, 2014 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 1, 2014 | Mar 31, 2014 | 000-28167 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2014 | Dec 31, 2013 | 000-28167 |