| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 25, 2023 | May 23, 2023 | 001-40710 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 6, 2021 | Dec 3, 2021 | 001-41105 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 30, 2021 | Nov 30, 2021 | 001-41105 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 11, 2021 | Aug 10, 2021 | 001-40710 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 5, 2021 | Aug 5, 2021 | 001-40710 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 13, 2021 | Apr 12, 2021 | 001-40147 |
| 4 | Open Document | Open Filing | Oct 31, 2017 | Oct 30, 2017 | 001-37769 | |
| 4 | Open Document | Open Filing | Jun 16, 2017 | Jun 14, 2017 | 001-37769 | |
| 4 | Open Document | Open Filing | Mar 31, 2017 | Mar 30, 2017 | 001-37769 | |
| 3 | Open Document | Open Filing | Mar 31, 2017 | Dec 31, 2016 | 001-37769 | |
| 4 | Open Document | Open Filing | FORM 4 | Aug 5, 2015 | Jul 30, 2015 | 000-18188 |
| 3/A | Open Document | Open Filing | FORM 3/A | Mar 31, 2015 | Jul 25, 2014 | 000-18188 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 22, 2014 | Oct 20, 2014 | 001-36662 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 17, 2014 | Oct 15, 2014 | 001-36662 |
| 3/A | Open Document | Open Filing | FORM 3/A | Oct 17, 2014 | Oct 8, 2014 | 001-36662 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 8, 2014 | Oct 8, 2014 | 001-36662 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2014 | Jul 25, 2014 | 000-18188 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jul 11, 2014 | Jul 10, 2014 | 001-33509 |