| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 22, 2024 | Jan 18, 2024 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2023 | Jan 25, 2023 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 14, 2022 | Jan 12, 2022 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 9, 2021 | Jun 9, 2021 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2021 | Mar 29, 2021 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2021 | Feb 24, 2021 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2021 | Feb 1, 2021 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 31, 2020 | Dec 29, 2020 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 29, 2020 | Sep 25, 2020 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 29, 2020 | Jun 25, 2020 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2020 | May 6, 2020 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2020 | Mar 27, 2020 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2020 | Jan 21, 2020 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 10, 2020 | Jan 8, 2020 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2019 | Dec 16, 2019 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 18, 2019 | Nov 14, 2019 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 28, 2019 | Aug 26, 2019 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2019 | Aug 14, 2019 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 24, 2019 | Jun 21, 2019 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2019 | Mar 15, 2019 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2019 | Mar 12, 2019 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2019 | Feb 14, 2019 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 26, 2018 | Dec 21, 2018 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 25, 2018 | Sep 21, 2018 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2018 | Jun 15, 2018 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2018 | May 31, 2018 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2018 | Mar 16, 2018 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2018 | Feb 12, 2018 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 21, 2017 | Dec 19, 2017 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2017 | Dec 15, 2017 | 000-08185 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 19, 2017 | Sep 15, 2017 | 000-08185 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 20, 2017 | Jun 16, 2017 | 000-08185 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 9, 2017 | May 5, 2017 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2017 | Apr 27, 2017 | 001-12616 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 21, 2017 | Mar 17, 2017 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2017 | Feb 8, 2017 | 001-12616 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 31, 2017 | Jan 30, 2017 | 000-08185 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 3, 2017 | Dec 30, 2016 | 000-08185 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 2, 2016 | Aug 31, 2016 | 000-08185 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 31, 2016 | Aug 31, 2016 | 000-08185 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 31, 2016 | Aug 31, 2016 | 001-36308 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2016 | Mar 15, 2016 | 001-12616 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2016 | Jan 27, 2016 | 001-36308 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 30, 2015 | Dec 22, 2015 | 001-12616 |
| 4 | Open Document | Open Filing | 4 | Jun 10, 2015 | Jun 8, 2015 | 001-36308 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 8, 2015 | Apr 11, 2011 | 001-12616 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2015 | Feb 11, 2015 | 001-12616 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 6, 2015 | Feb 5, 2015 | 001-12616 |
| 4 | Open Document | Open Filing | 4 | Jun 12, 2014 | Jun 10, 2014 | 001-36308 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2014 | May 8, 2014 | 001-12616 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2014 | Dec 31, 2012 | 001-12616 |
| 4 | Open Document | Open Filing | 4 | Feb 14, 2014 | Feb 14, 2014 | 001-36308 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2014 | Feb 12, 2014 | 001-12616 |
| 3 | Open Document | Open Filing | 3 | Feb 11, 2014 | Feb 11, 2014 | 001-36308 |