| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 21, 2022 | Dec 31, 2021 | 001-38084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 3, 2021 | 001-38084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 5, 2020 | Jun 5, 2020 | 001-38084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2020 | May 14, 2020 | 001-38084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2020 | Mar 13, 2020 | 001-38084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 14, 2017 | Sep 13, 2017 | 001-38084 |
| 144 | Open Document | Open Filing | 144 | Sep 13, 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2016 | May 10, 2016 | 000-14492 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2015 | Nov 20, 2015 | 000-14492 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 23, 2015 | Mar 23, 2015 | 000-14492 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2015 | Mar 19, 2015 | 000-14492 |