| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 27, 2021 | Dec 22, 2021 | 811-22874 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 18, 2015 | Jun 19, 2015 | 811-22839 |
| 4 | Open Document | Open Filing | 4 | Mar 16, 2015 | Mar 13, 2015 | 811-22874 |