| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 3, 2022 | Dec 30, 2021 | 001-06544 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2021 | Nov 19, 2021 | 001-06544 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 1, 2021 | Sep 30, 2021 | 001-06544 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 1, 2021 | Jun 30, 2021 | 001-06544 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2021 | Mar 30, 2021 | 001-06544 |
| 4 | Open Document | Open Filing | Jan 19, 2021 | Jan 14, 2021 | 001-06049 | |
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2020 | Nov 20, 2020 | 001-06544 |
| 4 | Open Document | Open Filing | Oct 9, 2020 | Oct 7, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Aug 24, 2020 | Aug 20, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Aug 4, 2020 | Aug 3, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Jul 27, 2020 | Jul 23, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Apr 9, 2020 | Apr 7, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 13, 2020 | Mar 11, 2020 | 001-06049 | |
| 4 | Open Document | Open Filing | FORM 4 | Dec 31, 2019 | Dec 31, 2019 | 001-06544 |
| 4 | Open Document | Open Filing | Dec 3, 2019 | Nov 29, 2019 | 001-06049 | |
| 4 | Open Document | Open Filing | Nov 27, 2019 | Nov 25, 2019 | 001-06049 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2019 | Nov 15, 2019 | 001-06544 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2019 | Nov 15, 2019 | 001-06544 |
| 4 | Open Document | Open Filing | Aug 26, 2019 | Aug 23, 2019 | 001-06049 | |
| 4 | Open Document | Open Filing | Jun 13, 2019 | Jun 12, 2019 | 001-06049 | |
| 4 | Open Document | Open Filing | Apr 10, 2019 | Apr 9, 2019 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 14, 2019 | Mar 12, 2019 | 001-06049 | |
| 4 | Open Document | Open Filing | Jan 16, 2019 | Jan 14, 2019 | 001-06049 | |
| 4 | Open Document | Open Filing | Oct 10, 2018 | Oct 9, 2018 | 001-06049 | |
| 3/A | Open Document | Open Filing | Aug 24, 2018 | Feb 12, 2016 | 001-06049 | |
| 4 | Open Document | Open Filing | Aug 14, 2018 | Aug 10, 2018 | 001-06049 | |
| 4 | Open Document | Open Filing | Apr 11, 2018 | Apr 9, 2018 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 16, 2018 | Mar 14, 2018 | 001-06049 | |
| 4 | Open Document | Open Filing | Jan 25, 2018 | Jan 23, 2018 | 001-06049 | |
| 4 | Open Document | Open Filing | Jan 18, 2018 | Jan 16, 2018 | 001-06049 | |
| 4 | Open Document | Open Filing | Aug 1, 2017 | Jul 31, 2017 | 001-06049 | |
| 4 | Open Document | Open Filing | May 24, 2017 | May 22, 2017 | 001-06049 | |
| 4 | Open Document | Open Filing | Apr 12, 2017 | Apr 10, 2017 | 001-06049 | |
| 4 | Open Document | Open Filing | Jan 13, 2017 | Jan 11, 2017 | 001-06049 | |
| 4 | Open Document | Open Filing | Jan 11, 2017 | Jan 9, 2017 | 001-06049 | |
| 4 | Open Document | Open Filing | Mar 11, 2016 | Mar 9, 2016 | 001-06049 | |
| 4 | Open Document | Open Filing | Feb 17, 2016 | Feb 12, 2016 | 001-06049 | |
| 3 | Open Document | Open Filing | Feb 17, 2016 | Feb 12, 2016 | 001-06049 |