| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Oct 5, 2021 | Oct 5, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Sep 29, 2021 | Sep 28, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Sep 22, 2021 | Sep 21, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Sep 15, 2021 | Sep 14, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Sep 9, 2021 | Sep 7, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 2, 2021 | Aug 31, 2021 | 001-38543 |
| 4 | Open Document | Open Filing | Aug 24, 2021 | Aug 20, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Aug 17, 2021 | Aug 13, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Aug 10, 2021 | Aug 9, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 3, 2021 | Aug 3, 2021 | 001-38543 |
| 4 | Open Document | Open Filing | Jul 28, 2021 | Jul 27, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Jul 21, 2021 | Jul 20, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Jul 9, 2021 | Jul 8, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Jun 30, 2021 | Jun 28, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 25, 2021 | Jun 24, 2021 | 001-38543 |
| 4 | Open Document | Open Filing | Jun 8, 2021 | Jun 7, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | May 19, 2021 | May 18, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | Jan 29, 2021 | Jan 29, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 15, 2021 | Jan 13, 2021 | 001-38543 |
| 4 | Open Document | Open Filing | Jan 11, 2021 | Jan 7, 2021 | 001-38543 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 5, 2021 | Jan 4, 2021 | 001-38543 |
| 144 | Open Document | Open Filing | FORM 144 | Dec 31, 2020 | ||
| 4 | Open Document | Open Filing | Nov 13, 2020 | Nov 11, 2020 | 001-38543 | |
| 144 | Open Document | Open Filing | FORM 144 | Oct 16, 2020 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 4, 2020 | Sep 2, 2020 | 001-38543 |
| 4 | Open Document | Open Filing | Aug 14, 2020 | Aug 13, 2020 | 001-38543 | |
| 4 | Open Document | Open Filing | Aug 7, 2020 | Aug 6, 2020 | 001-38543 | |
| 4 | Open Document | Open Filing | Jul 17, 2020 | Jul 16, 2020 | 001-38543 | |
| 144 | Open Document | Open Filing | FORM 144 | Jul 10, 2020 | ||
| 4 | Open Document | Open Filing | Jun 4, 2020 | Jun 3, 2020 | 001-38543 | |
| 4 | Open Document | Open Filing | Mar 13, 2020 | Mar 11, 2020 | 001-38543 | |
| 4 | Open Document | Open Filing | Jan 30, 2020 | Jan 29, 2020 | 001-38543 | |
| 4 | Open Document | Open Filing | Nov 7, 2019 | Nov 7, 2019 | 001-38543 | |
| 4 | Open Document | Open Filing | May 13, 2019 | May 10, 2019 | 001-38543 | |
| 4 | Open Document | Open Filing | May 3, 2019 | May 2, 2019 | 001-38543 | |
| 4 | Open Document | Open Filing | Mar 29, 2019 | Mar 27, 2019 | 001-38543 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 26, 2019 | Feb 25, 2019 | 001-38543 |
| 4 | Open Document | Open Filing | Jan 3, 2019 | Jan 2, 2019 | 001-38543 | |
| 4 | Open Document | Open Filing | Aug 10, 2018 | Aug 9, 2018 | 001-38543 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 2, 2018 | Feb 1, 2018 | 000-53605 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 15, 2017 | May 11, 2017 | 000-53605 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 4, 2017 | Mar 31, 2017 | 000-53605 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 14, 2016 | Nov 14, 2016 | 000-53605 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 8, 2016 | Jun 7, 2016 | 000-53605 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 26, 2015 | Jun 24, 2015 | 000-53605 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 17, 2014 | Nov 17, 2014 | 000-53605 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 5, 2014 | Mar 15, 2014 | 001-11602 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 5, 2014 | Jun 5, 2014 | 000-53605 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 22, 2014 | May 19, 2014 | 000-53605 |