| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 16, 2021 | Nov 15, 2021 | 001-36695 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2019 | May 8, 2019 | 001-36695 |
| 4 | Open Document | Open Filing | FORM 4 | May 17, 2016 | May 6, 2016 | 001-36695 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2015 | Nov 2, 2015 | 001-36695 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 21, 2014 | Oct 17, 2014 | 001-36695 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 16, 2014 | Oct 16, 2014 | 001-36695 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 25, 2014 | Apr 23, 2014 | 000-23601 |