| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 21, 2025 | May 20, 2025 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 28, 2024 | Jun 18, 2024 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2023 | May 23, 2023 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | May 25, 2022 | May 24, 2022 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2021 | May 25, 2021 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 8, 2021 | Jan 6, 2021 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 9, 2020 | Oct 8, 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 12, 2020 | Aug 10, 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 7, 2020 | Aug 6, 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2020 | May 28, 2020 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 7, 2020 | Feb 6, 2020 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 17, 2019 | Sep 16, 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 7, 2019 | Jun 28, 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 18, 2019 | Jun 14, 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 14, 2019 | Jun 12, 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2019 | May 30, 2019 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 18, 2019 | Mar 14, 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 22, 2019 | Feb 21, 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 8, 2019 | Feb 6, 2019 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 18, 2018 | Dec 14, 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Aug 10, 2018 | Aug 10, 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jul 2, 2018 | Jul 2, 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 18, 2018 | Jun 14, 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 14, 2018 | Jun 12, 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2018 | Jun 5, 2018 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 16, 2018 | Mar 14, 2018 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 13, 2018 | Mar 12, 2018 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2018 | Mar 9, 2018 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 23, 2018 | Feb 21, 2008 | 000-16244 |
| 5 | Open Document | Open Filing | FORM 5 - | Jan 5, 2018 | Dec 31, 2017 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Dec 18, 2017 | Dec 13, 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 15, 2017 | Dec 13, 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 13, 2017 | Dec 13, 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jul 12, 2017 | Jul 10, 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 20, 2017 | Jun 16, 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 16, 2017 | Jun 14, 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 14, 2017 | Jun 12, 2017 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2017 | Jun 1, 2017 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | May 16, 2017 | May 12, 2017 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Mar 7, 2017 | Jun 14, 2016 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A - | Mar 7, 2017 | Dec 14, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2017 | Feb 16, 2017 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 16, 2016 | Jun 14, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 15, 2016 | Dec 13, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2016 | Oct 31, 2016 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 27, 2016 | Jun 23, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 20, 2016 | Jun 16, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 16, 2016 | Jun 14, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 15, 2016 | Jun 13, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 3, 2016 | Jun 1, 2016 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 21, 2016 | Apr 19, 2016 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 15, 2015 | Dec 14, 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Nov 3, 2015 | Oct 30, 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jul 14, 2015 | Jul 13, 2015 | 000-16244 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jul 7, 2015 | Jun 2, 2015 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 16, 2015 | Jun 12, 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 11, 2015 | Jun 9, 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 10, 2015 | Jun 8, 2015 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2015 | Jun 2, 2015 | 001-33155 |
| 5 | Open Document | Open Filing | FORM 5 - | Mar 12, 2015 | Dec 31, 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 13, 2014 | Jun 12, 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Jun 11, 2014 | Jun 9, 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2014 | Jun 3, 2014 | 001-33155 |
| 4 | Open Document | Open Filing | FORM 4 - | May 9, 2014 | May 8, 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 4, 2014 | Apr 3, 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 12, 2014 | Mar 10, 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 24, 2014 | Feb 20, 2014 | 000-16244 |
| 4 | Open Document | Open Filing | FORM 4 - | Feb 14, 2014 | Feb 12, 2014 | 000-16244 |