| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Nov 30, 2021 | Nov 30, 2021 | 001-32046 | |
| 4 | Open Document | Open Filing | Nov 3, 2021 | Nov 1, 2021 | 001-32046 | |
| 4 | Open Document | Open Filing | Aug 13, 2021 | Aug 11, 2021 | 001-32046 | |
| 4 | Open Document | Open Filing | May 4, 2021 | May 3, 2021 | 001-32046 | |
| 4 | Open Document | Open Filing | Feb 12, 2021 | Feb 11, 2021 | 001-32046 | |
| 4 | Open Document | Open Filing | Feb 3, 2021 | Feb 1, 2021 | 001-32046 | |
| 4 | Open Document | Open Filing | Jan 20, 2021 | Jan 19, 2021 | 001-32046 | |
| 4 | Open Document | Open Filing | Dec 2, 2020 | Nov 30, 2020 | 001-32046 | |
| 4 | Open Document | Open Filing | Nov 30, 2020 | Nov 25, 2020 | 001-32046 | |
| 4 | Open Document | Open Filing | Nov 2, 2020 | Nov 2, 2020 | 001-32046 | |
| 4 | Open Document | Open Filing | Aug 4, 2020 | Aug 3, 2020 | 001-32046 | |
| 4 | Open Document | Open Filing | Jul 21, 2020 | Jul 17, 2020 | 001-32046 | |
| 4 | Open Document | Open Filing | May 1, 2020 | May 1, 2020 | 001-32046 | |
| 4 | Open Document | Open Filing | Feb 4, 2020 | Feb 3, 2020 | 001-32046 | |
| 4 | Open Document | Open Filing | Nov 4, 2019 | Nov 1, 2019 | 001-32046 | |
| 4 | Open Document | Open Filing | Aug 1, 2019 | Jul 30, 2019 | 001-32046 | |
| 4 | Open Document | Open Filing | Jul 23, 2019 | Jul 19, 2019 | 001-32046 | |
| 4 | Open Document | Open Filing | May 1, 2019 | May 1, 2019 | 001-32046 | |
| 4 | Open Document | Open Filing | Apr 15, 2019 | Apr 12, 2019 | 001-32046 | |
| 4 | Open Document | Open Filing | Feb 12, 2019 | Feb 11, 2019 | 001-32046 | |
| 4 | Open Document | Open Filing | Nov 30, 2018 | Nov 28, 2018 | 001-32046 | |
| 4 | Open Document | Open Filing | Nov 5, 2018 | Nov 1, 2018 | 001-32046 | |
| 4 | Open Document | Open Filing | Aug 1, 2018 | Aug 1, 2018 | 001-32046 | |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2018 | May 1, 2018 | 001-32046 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 7, 2018 | Feb 1, 2018 | 001-32046 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 2, 2017 | Nov 1, 2017 | 001-32046 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 5, 2017 | Aug 31, 2017 | 001-32046 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 2, 2017 | Aug 2, 2017 | 001-32046 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2016 | Aug 31, 2016 | 001-32046 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 1, 2015 | Aug 31, 2015 | 001-32046 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2014 | Aug 29, 2014 | 001-32046 |