| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Mar 3, 2022 | Mar 1, 2022 | 001-11437 | |
| 4 | Open Document | Open Filing | Feb 25, 2022 | Feb 23, 2022 | 001-11437 | |
| 4 | Open Document | Open Filing | Feb 23, 2022 | Feb 21, 2022 | 001-11437 | |
| 4 | Open Document | Open Filing | Dec 7, 2021 | Dec 3, 2021 | 001-11437 | |
| 4 | Open Document | Open Filing | Jun 16, 2021 | Apr 25, 2021 | 001-11437 | |
| 4 | Open Document | Open Filing | Mar 1, 2021 | Feb 25, 2021 | 001-11437 | |
| 4 | Open Document | Open Filing | Feb 24, 2021 | Feb 22, 2021 | 001-11437 | |
| 4 | Open Document | Open Filing | Dec 8, 2020 | Dec 4, 2020 | 001-11437 | |
| 4 | Open Document | Open Filing | Mar 2, 2020 | Feb 27, 2020 | 001-11437 | |
| 4 | Open Document | Open Filing | Jan 28, 2020 | Jan 26, 2020 | 001-11437 | |
| 4 | Open Document | Open Filing | Dec 10, 2019 | Dec 6, 2019 | 001-11437 | |
| 4 | Open Document | Open Filing | Feb 28, 2019 | Feb 26, 2019 | 001-11437 | |
| 4 | Open Document | Open Filing | Feb 25, 2019 | Feb 21, 2019 | 001-11437 | |
| 4 | Open Document | Open Filing | Dec 11, 2018 | Dec 7, 2018 | 001-11437 | |
| 4 | Open Document | Open Filing | Apr 27, 2018 | Apr 25, 2018 | 001-11437 | |
| 4 | Open Document | Open Filing | Feb 26, 2018 | Feb 22, 2018 | 001-11437 | |
| 4 | Open Document | Open Filing | Jan 31, 2018 | Jan 29, 2018 | 001-11437 | |
| 4 | Open Document | Open Filing | Jan 30, 2017 | Jan 26, 2017 | 001-11437 | |
| 4 | Open Document | Open Filing | Dec 6, 2016 | Dec 2, 2016 | 001-11437 | |
| 3 | Open Document | Open Filing | Apr 14, 2016 | Apr 4, 2016 | 001-11437 |