| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | May 26, 2021 | May 25, 2021 | 811-23635 | |
| 4 | Open Document | Open Filing | FORM 4 | Jul 17, 2015 | Jul 15, 2015 | 811-22770 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 17, 2015 | Jul 15, 2015 | 811-21421 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 10, 2014 | Oct 8, 2014 | 811-21421 |