| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 7, 2022 | Jun 22, 2022 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2021 | Jun 30, 2021 | 001-37811 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 1, 2021 | May 28, 2021 | 001-36260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2021 | Mar 10, 2021 | 001-36260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2021 | Mar 9, 2021 | 001-36260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2021 | Mar 7, 2021 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2021 | Jan 12, 2021 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 13, 2020 | Oct 12, 2020 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2020 | Jul 13, 2020 | 001-37811 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2020 | May 6, 2020 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2020 | Apr 13, 2020 | 001-37811 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 27, 2020 | Mar 26, 2020 | 001-36260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2020 | Mar 9, 2020 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2020 | Jan 13, 2020 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2019 | Oct 15, 2019 | 001-37811 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 15, 2019 | Aug 14, 2019 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 15, 2019 | Jul 12, 2019 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 15, 2019 | Apr 15, 2019 | 001-37811 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 27, 2019 | Mar 26, 2019 | 001-36260 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2019 | Mar 10, 2019 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2019 | Jan 14, 2019 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 15, 2018 | Oct 12, 2018 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 16, 2018 | Jul 13, 2018 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 16, 2018 | Apr 13, 2018 | 001-37811 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 11, 2018 | Apr 9, 2018 | 001-36260 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 28, 2018 | Mar 26, 2018 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 12, 2018 | Jan 12, 2018 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 16, 2017 | Oct 13, 2017 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 17, 2017 | Jul 14, 2017 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 17, 2017 | Apr 14, 2017 | 001-37811 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 13, 2017 | Mar 9, 2017 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 17, 2017 | Jan 13, 2017 | 001-37811 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 18, 2016 | Oct 14, 2016 | 001-37811 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 18, 2016 | Jul 15, 2016 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2016 | Oct 14, 2016 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 18, 2016 | Jul 15, 2016 | 001-37811 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2016 | Apr 15, 2016 | 000-19341 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 14, 2016 | Mar 10, 2016 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 19, 2016 | Jan 15, 2016 | 000-19341 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 18, 2015 | Dec 16, 2015 | 001-36260 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 15, 2015 | Dec 11, 2015 | 001-36260 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 10, 2015 | Dec 8, 2015 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 9, 2015 | Oct 9, 2015 | 000-19341 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 24, 2015 | Aug 21, 2015 | 001-36260 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 19, 2015 | Aug 17, 2015 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 13, 2015 | Jul 10, 2015 | 000-19341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2015 | Apr 10, 2015 | 000-19341 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 30, 2015 | Mar 26, 2015 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 20, 2015 | Jan 16, 2015 | 000-19341 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 9, 2014 | Dec 8, 2014 | 001-36260 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 10, 2014 | Oct 10, 2014 | 000-19341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2014 | Jul 11, 2014 | 000-19341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2014 | Apr 29, 2014 | 001-35479 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 11, 2014 | Apr 11, 2014 | 000-19341 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 14, 2014 | Dec 31, 2013 | 000-19341 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 21, 2014 | Jan 17, 2014 | 000-19341 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 14, 2014 | Jan 14, 2014 | 001-36260 |