| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 22, 2022 | Jun 17, 2022 | 814-00971 |
| 3 | Open Document | Open Filing | FORM 3 | Feb 22, 2022 | Feb 20, 2022 | 000-56378 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 25, 2020 | Mar 23, 2020 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 20, 2020 | Mar 18, 2020 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 17, 2020 | Mar 12, 2020 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 13, 2020 | Mar 11, 2020 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 21, 2018 | Dec 21, 2018 | 814-00971 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 20, 2018 | Dec 18, 2018 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 20, 2017 | Dec 8, 2017 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 21, 2017 | Nov 16, 2017 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 16, 2017 | Mar 14, 2017 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 22, 2015 | Dec 21, 2015 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 21, 2015 | Dec 18, 2015 | 814-00971 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 24, 2015 | Sep 23, 2015 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 14, 2015 | Aug 12, 2015 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 19, 2014 | Mar 18, 2014 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 14, 2014 | Mar 13, 2014 | 814-00971 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 13, 2014 | Mar 11, 2014 | 814-00971 |