| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2022 | Feb 15, 2022 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 10, 2022 | Feb 8, 2022 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 14, 2022 | Jan 12, 2022 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2021 | Feb 15, 2021 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2021 | Feb 9, 2021 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 15, 2021 | Jan 13, 2021 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 19, 2020 | Mar 18, 2020 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 19, 2020 | Feb 15, 2020 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 21, 2020 | Jan 16, 2020 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2019 | Nov 21, 2019 | 001-13779 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jul 16, 2019 | Jul 8, 2019 | 000-54970 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2019 | Mar 13, 2019 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2019 | Feb 15, 2019 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 22, 2019 | Jan 17, 2019 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 30, 2018 | May 29, 2018 | 001-13779 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 14, 2018 | Dec 31, 2017 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 22, 2018 | Jan 18, 2018 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2017 | Feb 15, 2017 | 001-13779 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 25, 2017 | Jan 18, 2017 | 001-13779 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 14, 2016 | Oct 5, 2016 | 001-13779 |