| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Feb 20, 2025 | Dec 20, 2024 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 26, 2024 | Dec 20, 2024 | 001-13881 | |
| 4 | Open Document | Open Filing | Nov 14, 2024 | Nov 6, 2024 | 001-13881 | |
| 4 | Open Document | Open Filing | Nov 12, 2024 | Nov 8, 2024 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 29, 2024 | Feb 28, 2024 | 001-13881 | |
| 144 | Open Document | Open Filing | Feb 28, 2024 | |||
| 4 | Open Document | Open Filing | Feb 20, 2024 | Feb 15, 2024 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 13, 2023 | Dec 13, 2023 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 4, 2023 | Nov 30, 2023 | 001-13881 | |
| 4 | Open Document | Open Filing | Aug 10, 2023 | Aug 8, 2023 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 17, 2023 | Feb 15, 2023 | 001-13881 | |
| 5 | Open Document | Open Filing | Jan 4, 2023 | Dec 31, 2022 | 001-13881 | |
| 5 | Open Document | Open Filing | Feb 25, 2022 | Dec 31, 2021 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 18, 2022 | Feb 17, 2022 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 17, 2022 | Feb 15, 2022 | 001-13881 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 10, 2022 | ||
| 4 | Open Document | Open Filing | Dec 27, 2021 | Dec 21, 2021 | 001-13881 | |
| 4 | Open Document | Open Filing | Nov 16, 2021 | Nov 12, 2021 | 001-13881 | |
| 4 | Open Document | Open Filing | Oct 1, 2021 | Sep 29, 2021 | 001-13881 | |
| 4 | Open Document | Open Filing | May 12, 2021 | May 10, 2021 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 26, 2021 | Feb 24, 2021 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 24, 2021 | Feb 22, 2021 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 18, 2021 | Feb 16, 2021 | 001-13881 | |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 16, 2021 | ||
| 4 | Open Document | Open Filing | Dec 22, 2020 | Dec 15, 2020 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 8, 2020 | Nov 30, 2020 | 001-13881 | |
| 4 | Open Document | Open Filing | May 20, 2020 | May 19, 2020 | 001-13881 | |
| 4 | Open Document | Open Filing | Mar 4, 2020 | Mar 2, 2020 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 20, 2020 | Feb 18, 2020 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 18, 2019 | Dec 18, 2019 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 12, 2019 | Dec 2, 2019 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 9, 2019 | Dec 6, 2019 | 001-13881 | |
| 4 | Open Document | Open Filing | Mar 7, 2019 | Mar 5, 2019 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 21, 2019 | Feb 15, 2019 | 001-13881 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2019 | ||
| 5 | Open Document | Open Filing | Feb 14, 2019 | Dec 31, 2018 | 001-13881 | |
| 4 | Open Document | Open Filing | Jun 14, 2018 | Jun 12, 2018 | 001-13881 | |
| 4 | Open Document | Open Filing | Jun 8, 2018 | Jun 7, 2018 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 22, 2018 | Feb 20, 2018 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 20, 2018 | Feb 15, 2018 | 001-13881 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2018 | ||
| 4 | Open Document | Open Filing | Dec 28, 2017 | Dec 18, 2017 | 001-13881 | |
| 4 | Open Document | Open Filing | Aug 17, 2017 | Aug 15, 2017 | 001-13881 | |
| 4 | Open Document | Open Filing | Aug 15, 2017 | Aug 11, 2017 | 001-13881 | |
| 4 | Open Document | Open Filing | May 16, 2017 | May 12, 2017 | 001-13881 | |
| 4 | Open Document | Open Filing | Mar 17, 2017 | Mar 16, 2017 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 23, 2017 | Feb 21, 2017 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 17, 2017 | Feb 15, 2017 | 001-13881 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 13, 2017 | ||
| 4 | Open Document | Open Filing | Dec 16, 2016 | Dec 1, 2016 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 15, 2016 | Dec 13, 2016 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 13, 2016 | Dec 12, 2016 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 9, 2016 | Dec 8, 2016 | 001-13881 | |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | May 25, 2016 | ||
| 4 | Open Document | Open Filing | Feb 25, 2016 | Feb 22, 2016 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 18, 2016 | Feb 16, 2016 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 30, 2015 | Dec 1, 2015 | 001-13881 | |
| 5 | Open Document | Open Filing | Jul 9, 2015 | Dec 31, 2015 | 001-13881 | |
| 4 | Open Document | Open Filing | Apr 2, 2015 | Mar 19, 2015 | 001-13881 | |
| 4 | Open Document | Open Filing | Mar 2, 2015 | Mar 2, 2015 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 25, 2015 | Feb 23, 2015 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 19, 2015 | Feb 17, 2015 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 11, 2015 | Feb 10, 2015 | 001-13881 | |
| 5 | Open Document | Open Filing | Feb 5, 2015 | Dec 31, 2015 | 001-13881 | |
| 4 | Open Document | Open Filing | Dec 2, 2014 | Dec 1, 2014 | 001-13881 | |
| 4 | Open Document | Open Filing | Nov 14, 2014 | Nov 14, 2014 | 001-13881 | |
| 4 | Open Document | Open Filing | Oct 1, 2014 | Sep 29, 2014 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 27, 2014 | Feb 26, 2014 | 001-13881 | |
| 4 | Open Document | Open Filing | Feb 26, 2014 | Feb 24, 2014 | 001-13881 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2014 | Dec 10, 2013 | 001-35219 |
| 4 | Open Document | Open Filing | Feb 20, 2014 | Feb 18, 2014 | 001-13881 | |
| 5 | Open Document | Open Filing | Jan 28, 2014 | Dec 31, 2013 | 001-13881 |