| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Nov 4, 2024 | Nov 4, 2024 | 001-37556 | |
| 4 | Open Document | Open Filing | May 23, 2024 | May 21, 2024 | 001-37556 | |
| 4 | Open Document | Open Filing | May 20, 2024 | May 16, 2024 | 001-37556 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2023 | May 26, 2023 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2023 | May 16, 2023 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2022 | May 26, 2022 | 001-37556 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | May 5, 2022 | May 3, 2022 | 001-04448 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Feb 3, 2022 | Feb 2, 2022 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2021 | May 26, 2021 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2021 | May 22, 2021 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 6, 2021 | May 4, 2021 | 001-04448 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 16, 2021 | Dec 31, 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2020 | Aug 20, 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2020 | May 22, 2020 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2020 | May 5, 2020 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 10, 2019 | Jul 8, 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2019 | May 23, 2019 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2019 | May 22, 2019 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 15, 2019 | May 13, 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 9, 2019 | May 7, 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 15, 2019 | Sep 14, 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2019 | Jan 14, 2019 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 19, 2018 | Nov 15, 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2018 | Aug 9, 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2018 | May 30, 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2018 | May 23, 2018 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2018 | May 8, 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Feb 9, 2018 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 17, 2017 | Nov 15, 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 26, 2017 | Jul 24, 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 26, 2017 | May 24, 2017 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2017 | May 10, 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2017 | May 2, 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2017 | Jan 20, 2017 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 25, 2016 | Oct 21, 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2016 | Aug 3, 2016 | 001-04448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2016 | Jun 3, 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 25, 2016 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2016 | May 16, 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2016 | May 3, 2016 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 28, 2016 | Jan 26, 2016 | 001-04448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 29, 2015 | Sep 10, 2015 | 001-37556 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 21, 2015 | Oct 19, 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2015 | Aug 3, 2015 | 001-04448 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2015 | Jul 1, 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2015 | May 27, 2015 | 000-21229 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 7, 2015 | May 5, 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 29, 2015 | Jan 28, 2015 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 27, 2014 | Oct 23, 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 31, 2014 | Jul 29, 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2014 | May 21, 2014 | 000-21229 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2014 | May 21, 2014 | 000-21229 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2014 | May 6, 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2014 | Apr 29, 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 21, 2014 | Jan 17, 2014 | 001-04448 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2014 | Jan 2, 2014 | 001-04448 |