| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2022 | May 20, 2022 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2022 | Mar 10, 2022 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2021 | Aug 15, 2021 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2021 | Mar 15, 2021 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 12, 2021 | Mar 10, 2021 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2021 | Mar 1, 2021 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2020 | Dec 16, 2020 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2020 | Aug 15, 2020 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Mar 1, 2020 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 19, 2020 | Feb 15, 2020 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 30, 2020 | Jan 28, 2020 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2019 | Dec 4, 2019 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 19, 2019 | Aug 15, 2019 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2019 | May 30, 2019 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2019 | May 30, 2019 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | May 24, 2019 | May 22, 2019 | 001-33520 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 22, 2019 | Apr 12, 2019 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 6, 2018 | Dec 4, 2018 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 29, 2018 | Nov 27, 2018 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 27, 2018 | Nov 23, 2018 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 16, 2018 | Aug 15, 2018 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2018 | Jun 5, 2018 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 22, 2018 | Mar 20, 2018 | 001-33520 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 19, 2018 | Mar 9, 2018 | 001-33520 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 9, 2018 | Jan 30, 2018 | 001-33520 |
| 4 | Open Document | Open Filing | Mar 13, 2014 | Mar 11, 2014 | 000-15159 | |
| 4 | Open Document | Open Filing | Mar 6, 2014 | Mar 4, 2014 | 000-15159 |