| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2022 | Jan 4, 2022 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2022 | Jan 2, 2022 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2021 | Sep 15, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2021 | Feb 22, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2021 | Feb 18, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2021 | Feb 9, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 7, 2021 | Jan 5, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 5, 2021 | Jan 2, 2021 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 14, 2020 | Feb 12, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 11, 2020 | Feb 9, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 9, 2020 | Jan 7, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2020 | Jan 2, 2020 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 3, 2019 | Nov 29, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 13, 2019 | Sep 11, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 14, 2019 | Jun 12, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 22, 2019 | Mar 20, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 8, 2019 | Mar 6, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2019 | Feb 11, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2019 | Feb 9, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2019 | Jan 2, 2019 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 26, 2018 | Nov 21, 2018 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 27, 2018 | Aug 23, 2018 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 6, 2018 | Mar 5, 2018 | 001-16463 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2018 | Feb 9, 2018 | 001-16463 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 28, 2017 | Nov 27, 2017 | 001-16463 |