| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 13, 2023 | Jun 9, 2023 | 001-40500 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 1, 2021 | Jun 29, 2021 | 001-40500 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 15, 2021 | Jun 15, 2021 | 001-40500 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2017 | May 12, 2017 | 001-34028 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 17, 2016 | May 13, 2016 | 001-34028 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 25, 2015 | Aug 21, 2015 | 001-34028 |
| 4 | Open Document | Open Filing | Jun 3, 2015 | Jun 1, 2015 | 001-34028 | |
| 4 | Open Document | Open Filing | May 13, 2014 | May 9, 2014 | 001-34028 | |
| 4 | Open Document | Open Filing | Mar 5, 2014 | Mar 5, 2014 | 001-34028 |