| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 30, 2023 | May 25, 2023 | 001-39473 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 27, 2022 | May 25, 2022 | 001-39473 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2021 | Jun 17, 2021 | 000-23661 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2021 | May 18, 2021 | 001-39473 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2021 | Mar 12, 2021 | 001-39473 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2021 | Feb 1, 2021 | 001-39473 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 22, 2020 | Dec 21, 2020 | 000-19756 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Sep 17, 2020 | Sep 17, 2020 | 001-39473 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 24, 2020 | Aug 19, 2020 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | May 20, 2020 | May 18, 2020 | 000-23661 |
| 4 | Open Document | Open Filing | 4 | Jan 31, 2020 | Jan 29, 2020 | 000-23661 |
| 4 | Open Document | Open Filing | 4 | Sep 6, 2019 | Sep 5, 2019 | 000-23661 |
| 3 | Open Document | Open Filing | 3 | Sep 6, 2019 | Sep 5, 2019 | 000-23661 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 8, 2019 | Jun 20, 2019 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2019 | Dec 31, 2018 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 28, 2018 | Dec 27, 2018 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 12, 2018 | Jun 8, 2018 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 19, 2017 | Dec 15, 2017 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 7, 2017 | Mar 4, 2017 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2016 | Dec 13, 2016 | 000-19756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 24, 2016 | May 20, 2016 | 000-32405 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2016 | Feb 12, 2016 | 001-36579 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 28, 2016 | Jan 26, 2016 | 000-19756 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2015 | May 15, 2015 | 000-32405 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2015 | Apr 21, 2015 | 001-36579 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2015 | Jan 28, 2015 | 000-19756 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 7, 2014 | Aug 5, 2014 | 001-36579 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2014 | Jul 30, 2014 | 001-36579 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 30, 2014 | Jul 30, 2014 | 001-36579 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2014 | May 16, 2014 | 000-32405 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 15, 2014 | Apr 10, 2014 | 000-19756 |