| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2023 | Feb 7, 2023 | 001-34705 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2022 | Mar 5, 2022 | 001-34705 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2022 | Feb 7, 2022 | 001-34705 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2021 | Mar 5, 2021 | 001-34705 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 18, 2021 | Feb 11, 2021 | 001-34705 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2020 | Feb 11, 2020 | 001-34705 |
| 3 | Open Document | Open Filing | FORM 3 | Aug 22, 2019 | Aug 20, 2019 | 001-34705 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 22, 2019 | Aug 20, 2019 | 001-34705 |
| 3 | Open Document | Open Filing | FORM 3 | Aug 22, 2019 | Aug 20, 2019 | 001-34705 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 2, 2018 | Jul 31, 2018 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2018 | May 4, 2018 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2018 | May 1, 2018 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | May 2, 2018 | Apr 30, 2018 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 30, 2017 | Oct 26, 2017 | 000-19720 |
| 4/A | Open Document | Open Filing | FORM 4/A | May 10, 2017 | May 1, 2017 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2017 | May 4, 2017 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | May 3, 2017 | May 1, 2017 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 31, 2016 | Oct 27, 2016 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | May 6, 2016 | May 4, 2016 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2016 | May 2, 2016 | 000-19720 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 16, 2015 | Nov 12, 2015 | 000-19720 |
| 3 | Open Document | Open Filing | FORM 3 | Aug 4, 2015 | Aug 1, 2015 | 000-19720 |