| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 9, 2024 | Apr 8, 2024 | 811-23565 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 25, 2020 | Jun 25, 2020 | 811-23565 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 12, 2020 | Mar 11, 2020 | 811-23072 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 28, 2018 | Nov 27, 2018 | 811-23072 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 21, 2016 | Dec 21, 2016 | 811-23199 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Sep 23, 2015 | Sep 23, 2015 | 811-23072 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Mar 26, 2014 | Mar 26, 2014 | 811-22902 |