| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 29, 2022 | Jul 6, 2022 | 001-32240 |
| 4 | Open Document | Open Filing | FORM 4 | May 16, 2022 | May 13, 2022 | 001-32240 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2022 | Jan 26, 2022 | 001-32240 |
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2021 | May 13, 2021 | 001-32240 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2021 | Feb 2, 2021 | 001-32240 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 10, 2020 | Aug 7, 2020 | 001-32240 |
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2020 | May 20, 2020 | 001-32240 |
| 3 | Open Document | Open Filing | FORM 3 | May 22, 2020 | May 13, 2020 | 001-32240 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 1, 2020 | Apr 1, 2020 | 001-15147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2020 | Feb 9, 2020 | 001-15147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 20, 2019 | Mar 19, 2019 | 001-15147 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2019 | Jan 20, 2019 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 22, 2018 | Jan 21, 2018 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 19, 2018 | Jan 17, 2018 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 20, 2017 | Jun 17, 2017 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2017 | Feb 9, 2017 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 30, 2016 | Sep 29, 2016 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 21, 2016 | Jan 20, 2016 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 29, 2015 | Sep 29, 2015 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 23, 2015 | Jan 21, 2015 | 001-15147 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 30, 2014 | Sep 30, 2014 | 001-15147 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 2, 2014 | Jul 1, 2014 | 001-15147 |