| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 23, 2022 | Dec 21, 2022 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2022 | Dec 2, 2022 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 6, 2021 | Dec 2, 2020 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 31, 2020 | Dec 29, 2020 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2020 | Dec 3, 2020 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 6, 2020 | Nov 5, 2020 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 7, 2019 | Nov 5, 2019 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 8, 2019 | Oct 4, 2019 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 30, 2019 | Jul 19, 2019 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2018 | Nov 9, 2018 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 23, 2018 | Oct 21, 2018 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2018 | Oct 4, 2018 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 25, 2018 | Sep 22, 2018 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 24, 2017 | Oct 21, 2017 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 25, 2017 | Sep 22, 2017 | 001-37745 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Apr 28, 2017 | Jan 3, 2017 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 3, 2017 | Jan 3, 2017 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 25, 2016 | Oct 21, 2016 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2016 | Sep 22, 2016 | 001-37745 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2016 | Jan 4, 2016 | 000-23137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2015 | Sep 22, 2015 | 000-23137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2015 | Jun 5, 2015 | 000-23137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 22, 2015 | Apr 20, 2015 | 000-23137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 18, 2014 | Nov 15, 2014 | 000-23137 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 23, 2014 | Sep 22, 2014 | 000-23137 |