| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 17, 2021 | Aug 13, 2021 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 13, 2021 | Aug 12, 2021 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 24, 2018 | Aug 22, 2018 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2018 | Aug 14, 2018 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2018 | Jan 12, 2018 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 19, 2017 | Oct 17, 2017 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2015 | Feb 24, 2015 | 001-34521 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2014 | Nov 3, 2014 | 001-34521 |