| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | Aug 17, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2023 | Mar 13, 2023 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2022 | May 25, 2022 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 18, 2022 | Mar 16, 2022 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 8, 2021 | Nov 4, 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2021 | Jul 1, 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2021 | May 20, 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2021 | May 6, 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2021 | Apr 1, 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2021 | Jan 4, 2021 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 8, 2020 | Oct 6, 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2020 | Oct 1, 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2020 | Jul 1, 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2020 | May 20, 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2020 | May 12, 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 9, 2020 | Apr 7, 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2020 | Jan 15, 2020 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2019 | May 22, 2019 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 15, 2019 | Mar 13, 2019 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 18, 2018 | Jun 14, 2018 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2018 | May 22, 2018 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 22, 2018 | Jan 18, 2018 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 18, 2017 | Sep 14, 2017 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 25, 2017 | May 24, 2017 | 000-51470 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2016 | May 25, 2016 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2016 | May 23, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2016 | Apr 6, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2016 | Jan 6, 2016 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 7, 2015 | Oct 6, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 8, 2015 | Jul 7, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2015 | May 26, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2015 | May 20, 2015 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 14, 2015 | Apr 14, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 16, 2015 | Jan 14, 2015 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 6, 2014 | Oct 3, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 16, 2014 | Jul 15, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2014 | May 27, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2014 | May 14, 2014 | 000-51470 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 9, 2014 | Apr 9, 2014 | 001-34762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 14, 2014 | Jan 13, 2014 | 001-34762 |