| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 22, 2022 | Jun 22, 2022 | 001-33346 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 24, 2021 | Jun 16, 2021 | 001-33346 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2021 | May 19, 2021 | 001-33346 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 21, 2021 | Jul 8, 2020 | 001-33346 |
| 4 | Open Document | Open Filing | 4 | Jul 9, 2020 | Jul 8, 2020 | 001-33346 |
| 4 | Open Document | Open Filing | 4 | May 13, 2019 | May 10, 2019 | 001-33346 |
| 4 | Open Document | Open Filing | 4 | Feb 26, 2019 | Feb 25, 2019 | 001-33346 |
| 4 | Open Document | Open Filing | 4 | Dec 18, 2018 | Dec 14, 2018 | 001-33346 |
| 4 | Open Document | Open Filing | 4 | Jun 13, 2018 | Jun 12, 2018 | 001-33346 |
| 4 | Open Document | Open Filing | 4 | May 4, 2018 | May 3, 2018 | 001-33346 |
| 4 | Open Document | Open Filing | 4 | Aug 30, 2017 | Aug 29, 2017 | 001-33346 |
| 3 | Open Document | Open Filing | 3 | Aug 30, 2017 | Aug 29, 2017 | 001-33346 |