| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 2, 2021 | Aug 31, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 10, 2021 | Aug 6, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 3, 2021 | Jul 31, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 8, 2021 | Jul 6, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 2, 2021 | Jun 30, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 8, 2021 | Jun 6, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 2, 2021 | May 31, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 10, 2021 | May 6, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 4, 2021 | Apr 30, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 8, 2021 | Feb 6, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 2, 2021 | Mar 31, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 2, 2021 | Feb 28, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 2, 2021 | Jan 29, 2021 | 001-37558 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 5, 2021 | Dec 31, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Dec 1, 2020 | Nov 30, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Nov 2, 2020 | Oct 31, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Oct 1, 2020 | Sep 30, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Sep 2, 2020 | Aug 31, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Aug 21, 2020 | Aug 19, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Aug 4, 2020 | Jul 31, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Jul 2, 2020 | Jun 30, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Jun 3, 2020 | May 31, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | May 4, 2020 | Apr 30, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Apr 2, 2020 | Mar 31, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Mar 3, 2020 | Feb 28, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Feb 10, 2020 | Feb 6, 2020 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Feb 4, 2020 | Jan 31, 2020 | 001-37558 |
| 4/A | Open Document | Open Filing | 4/A | Aug 26, 2019 | Aug 21, 2019 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Aug 21, 2019 | Aug 19, 2019 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Feb 4, 2019 | Jan 31, 2019 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | May 23, 2018 | May 23, 2018 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Feb 2, 2018 | Jan 31, 2018 | 001-37558 |
| 4 | Open Document | Open Filing | 4 | Jul 5, 2017 | Jun 30, 2017 | 001-38132 |
| 3 | Open Document | Open Filing | 3 | Jun 16, 2017 | Jun 14, 2017 | 001-37558 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2015 | Feb 17, 2015 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2015 | Jan 31, 2015 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2014 | Nov 30, 2014 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2014 | Oct 31, 2014 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2014 | Aug 31, 2014 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 4, 2014 | Jul 31, 2014 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2014 | May 31, 2014 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 1, 2014 | Apr 30, 2014 | 001-35546 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2014 | Feb 28, 2014 | 001-35546 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 28, 2014 | Feb 28, 2014 | 001-35546 |