| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Oct 20, 2023 | Jan 12, 2016 | 001-06880 | |
| 4 | Open Document | Open Filing | Oct 20, 2023 | Nov 18, 2016 | 001-06880 | |
| 4 | Open Document | Open Filing | Oct 20, 2023 | Nov 18, 2016 | 001-06880 | |
| 4 | Open Document | Open Filing | Oct 20, 2023 | Jan 12, 2016 | 001-06880 | |
| 3/A | Open Document | Open Filing | Oct 20, 2023 | Jan 1, 2016 | 001-06880 | |
| 4 | Open Document | Open Filing | May 9, 2023 | May 8, 2023 | 001-06880 | |
| 4 | Open Document | Open Filing | Mar 7, 2023 | Mar 5, 2023 | 001-06880 | |
| 4 | Open Document | Open Filing | Mar 6, 2023 | Mar 2, 2023 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 13, 2023 | Feb 9, 2023 | 001-06880 | |
| 4 | Open Document | Open Filing | Mar 8, 2022 | Mar 5, 2022 | 001-06880 | |
| 4 | Open Document | Open Filing | Mar 7, 2022 | Mar 3, 2022 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 16, 2022 | Feb 14, 2022 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 14, 2022 | Feb 10, 2022 | 001-06880 | |
| 4 | Open Document | Open Filing | Nov 29, 2021 | Nov 24, 2021 | 001-06880 | |
| 4 | Open Document | Open Filing | Mar 9, 2021 | Mar 5, 2021 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 17, 2021 | Feb 14, 2021 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 12, 2021 | Feb 10, 2021 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 5, 2021 | Feb 4, 2021 | 001-06880 | |
| 4 | Open Document | Open Filing | Nov 9, 2020 | Nov 5, 2020 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 20, 2020 | Feb 19, 2020 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 19, 2020 | Feb 14, 2020 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 12, 2020 | Feb 10, 2020 | 001-06880 | |
| 4 | Open Document | Open Filing | Apr 19, 2019 | Apr 18, 2019 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 21, 2019 | Feb 19, 2019 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 19, 2019 | Feb 14, 2019 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 27, 2018 | Feb 23, 2018 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 22, 2018 | Feb 20, 2018 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 21, 2018 | Feb 16, 2018 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 16, 2018 | Feb 14, 2018 | 001-06880 | |
| 4 | Open Document | Open Filing | Jan 26, 2018 | Jan 25, 2018 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 23, 2017 | Feb 21, 2017 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 21, 2017 | Feb 16, 2017 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 16, 2017 | Feb 14, 2017 | 001-06880 | |
| 4 | Open Document | Open Filing | Jan 27, 2017 | Jan 26, 2017 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 22, 2016 | Feb 18, 2016 | 001-06880 | |
| 4 | Open Document | Open Filing | Feb 17, 2016 | Feb 16, 2016 | 001-06880 | |
| 3 | Open Document | Open Filing | Jan 5, 2016 | Jan 1, 2016 | 001-06880 |