| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | Sep 14, 2021 | Sep 14, 2021 | 001-40802 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 12, 2019 | Dec 12, 2019 | 001-39159 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2017 | Jan 1, 2017 | 001-10593 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 8, 2016 | Nov 4, 2016 | 001-10593 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 6, 2016 | Sep 26, 2016 | 001-10593 |