| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Sep 15, 2022 | Sep 13, 2022 | 001-07151 | |
| 4 | Open Document | Open Filing | Dec 22, 2021 | Dec 20, 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | Nov 18, 2021 | Nov 16, 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | Sep 23, 2021 | Sep 21, 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | Aug 23, 2021 | Aug 19, 2021 | 001-07151 | |
| 4 | Open Document | Open Filing | Dec 11, 2020 | Dec 9, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | Nov 17, 2020 | Nov 13, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | Sep 24, 2020 | Sep 22, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | Aug 24, 2020 | Aug 20, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | Aug 6, 2020 | Aug 4, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | May 12, 2020 | May 8, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | May 7, 2020 | May 5, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | Feb 11, 2020 | Feb 7, 2020 | 001-07151 | |
| 4 | Open Document | Open Filing | Sep 19, 2019 | Sep 17, 2019 | 001-07151 | |
| 4 | Open Document | Open Filing | Sep 9, 2019 | Sep 5, 2019 | 001-07151 | |
| 4 | Open Document | Open Filing | Aug 26, 2019 | Aug 22, 2019 | 001-07151 | |
| 4 | Open Document | Open Filing | Aug 6, 2019 | Aug 2, 2019 | 001-07151 | |
| 4 | Open Document | Open Filing | Nov 8, 2018 | Nov 6, 2018 | 001-07151 | |
| 4 | Open Document | Open Filing | Sep 20, 2018 | Sep 18, 2018 | 001-07151 | |
| 4 | Open Document | Open Filing | Aug 20, 2018 | Aug 16, 2018 | 001-07151 | |
| 3 | Open Document | Open Filing | Apr 11, 2018 | Apr 2, 2018 | 001-07151 |