| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2021 | Dec 7, 2021 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 21, 2021 | Oct 20, 2021 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 21, 2021 | Apr 20, 2021 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2021 | Mar 12, 2021 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 6, 2020 | Nov 4, 2020 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 26, 2020 | Jun 26, 2020 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 18, 2019 | Jun 14, 2019 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2018 | May 14, 2018 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 15, 2017 | May 11, 2017 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 16, 2017 | May 16, 2016 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 26, 2016 | May 25, 2016 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2016 | Jan 4, 2016 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2015 | May 20, 2015 | 001-16317 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 10, 2014 | Jul 8, 2014 | 001-16317 |