| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 Mar 2022 | 25 Feb 2022 | 001-39900 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Jan 2021 | 14 Jan 2021 | 001-39900 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Jun 2016 | 03 Jun 2016 | 001-32373 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jun 2015 | 04 Jun 2015 | 001-32373 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jun 2014 | 04 Jun 2014 | 001-32373 |