| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 9, 2021 | Jun 9, 2021 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2021 | May 6, 2021 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Feb 27, 2021 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2021 | Feb 25, 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 | Jan 5, 2021 | Dec 31, 2020 | 001-39009 |
| 3 | Open Document | Open Filing | FORM 3 | Dec 9, 2020 | Nov 30, 2020 | 001-39009 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2019 | Feb 27, 2019 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2019 | Feb 22, 2019 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2018 | Feb 27, 2018 | 000-08185 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2018 | Feb 22, 2018 | 000-08185 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 1, 2017 | Aug 31, 2017 | 000-08185 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 11, 2017 | Aug 3, 2017 | 000-08185 |