| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 4, 2022 | Mar 31, 2022 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2021 | Jun 24, 2021 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2021 | May 6, 2021 | 001-34810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 19, 2021 | Aug 18, 2021 | 001-37369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2021 | Mar 19, 2021 | 001-34810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 21, 2020 | Aug 19, 2020 | 001-37369 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 9, 2020 | Jun 2, 2020 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 4, 2020 | Jun 2, 2020 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 23, 2020 | Mar 19, 2020 | 001-34810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2019 | Aug 14, 2019 | 001-37369 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 12, 2019 | Mar 26, 2019 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2019 | Mar 26, 2019 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2018 | Aug 14, 2018 | 001-34810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2018 | Aug 15, 2018 | 001-37369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2018 | Apr 13, 2018 | 001-34810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 24, 2017 | Aug 23, 2017 | 001-37369 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2017 | Aug 15, 2017 | 001-37369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2017 | Mar 23, 2017 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2017 | Feb 13, 2017 | 001-34810 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Sep 8, 2016 | Aug 26, 2016 | 001-37369 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 30, 2016 | Aug 26, 2016 | 001-37369 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2016 | Aug 25, 2016 | 001-37369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2016 | Mar 17, 2016 | 001-34810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2015 | Dec 1, 2015 | 001-37369 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 2, 2015 | Dec 1, 2015 | 001-37369 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2015 | Jul 13, 2015 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Dec 31, 2014 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 23, 2014 | Dec 19, 2014 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 21, 2014 | Nov 20, 2014 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 20, 2014 | Nov 18, 2014 | 001-34810 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 28, 2014 | Apr 23, 2014 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2014 | Apr 23, 2014 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 31, 2014 | Mar 27, 2014 | 001-34810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2014 | Jan 22, 2014 | 001-34810 |