| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2023 | Jun 14, 2023 | 000-55775 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 30, 2022 | Nov 30, 2022 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 17, 2022 | Jun 15, 2022 | 000-55775 |
| 5 | Open Document | Open Filing | FORM 5 | Feb 8, 2022 | Dec 31, 2021 | 000-55775 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 22, 2021 | Nov 18, 2021 | 000-55775 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 1, 2021 | Oct 1, 2021 | 000-55775 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 1, 2021 | Oct 1, 2021 | 000-55775 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 1, 2021 | Oct 1, 2021 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2021 | Jun 15, 2021 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2020 | Jun 15, 2020 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 12, 2020 | Jun 10, 2020 | 000-55434 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 30, 2020 | Dec 31, 2019 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2019 | Jul 1, 2019 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2019 | Jun 12, 2019 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2019 | Mar 14, 2019 | 000-55605 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 24, 2018 | Sep 18, 2018 | 811-22808 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 3, 2018 | Jul 1, 2018 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 22, 2018 | Jun 20, 2018 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2017 | Jul 3, 2017 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2017 | Jun 14, 2017 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 14, 2017 | Jun 12, 2017 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 19, 2017 | Jan 18, 2017 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 5, 2016 | Jul 1, 2016 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 15, 2016 | Jun 13, 2016 | 000-55434 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 8, 2016 | Apr 8, 2016 | 000-55605 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 2, 2015 | Jul 1, 2015 | 000-55434 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2015 | Jun 17, 2015 | 000-55434 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 29, 2015 | Apr 29, 2015 | 000-55434 |