| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | Aug 9, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2024 | Feb 29, 2024 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2024 | Feb 1, 2024 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 20, 2023 | Nov 9, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 11, 2023 | Dec 7, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 6, 2023 | Sep 1, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 30, 2023 | Jun 29, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2023 | Jun 6, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2023 | Mar 2, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2023 | Feb 3, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2023 | Feb 2, 2023 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 12, 2022 | Dec 8, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 23, 2022 | Nov 21, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 31, 2022 | Oct 31, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 6, 2022 | Sep 1, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 30, 2022 | Jun 29, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2022 | Jun 2, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2022 | Mar 3, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2022 | Feb 3, 2022 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2021 | Dec 9, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2021 | Nov 21, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 28, 2021 | Oct 28, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 7, 2021 | Sep 2, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 30, 2021 | Jun 29, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 21, 2021 | Jun 18, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2021 | Jun 3, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2021 | Mar 4, 2021 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2020 | Dec 10, 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 24, 2020 | Nov 21, 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 12, 2020 | Nov 12, 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 8, 2020 | Oct 31, 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 8, 2020 | Sep 3, 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 19, 2020 | Jun 18, 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2020 | Jun 4, 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2020 | Mar 5, 2020 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 13, 2019 | Dec 12, 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 25, 2019 | Nov 21, 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 9, 2019 | Sep 5, 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 20, 2019 | Jun 18, 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2019 | Jun 6, 2019 | 000-12247 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2019 | Mar 7, 2019 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 10, 2018 | Dec 6, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2018 | Nov 27, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 27, 2018 | Nov 23, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 7, 2018 | Sep 6, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 28, 2018 | Aug 27, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 20, 2018 | Jun 18, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2018 | Jun 7, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 9, 2018 | Mar 8, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2018 | Mar 6, 2018 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2017 | Dec 18, 2017 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2017 | Nov 30, 2017 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2017 | Aug 31, 2017 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2017 | Dec 31, 2016 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 10, 2017 | Dec 1, 2016 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 2, 2016 | Dec 1, 2016 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 25, 2016 | Nov 23, 2016 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 25, 2016 | Nov 23, 2016 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 25, 2016 | Sep 1, 2016 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2016 | Mar 13, 2015 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 3, 2016 | Mar 14, 2016 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2016 | Mar 10, 2016 | 000-12247 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 21, 2016 | Dec 31, 2015 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2015 | Sep 3, 2015 | 000-12247 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 21, 2015 | Feb 17, 2015 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 4, 2015 | Jun 10, 2015 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2015 | Jun 4, 2015 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2015 | Jun 4, 2015 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2015 | Mar 11, 2015 | 000-12247 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2015 | Mar 11, 2015 | 000-12247 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2015 | Feb 17, 2015 | 000-12247 |