| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | Jul 6, 2023 | Jul 1, 2023 | 001-39165 | |
| 4 | Open Document | Open Filing | May 12, 2023 | May 10, 2023 | 001-39165 | |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2023 | Feb 16, 2023 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 19, 2022 | Jul 1, 2022 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 2, 2021 | Jul 1, 2021 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 9, 2021 | Feb 9, 2021 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2021 | Jan 31, 2021 | 001-39165 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Feb 2, 2021 | Jan 31, 2021 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 2, 2021 | Jan 31, 2021 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 27, 2021 | Jan 27, 2021 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 17, 2020 | Jun 15, 2020 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 7, 2020 | Feb 5, 2020 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2019 | May 20, 2019 | 000-22955 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 24, 2018 | Jun 26, 2018 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 27, 2018 | Jun 26, 2018 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2017 | Dec 7, 2017 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 5, 2017 | Aug 31, 2017 | 000-22955 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Sep 5, 2017 | Aug 9, 2017 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 5, 2017 | Aug 9, 2017 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 22, 2017 | Feb 21, 2017 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 25, 2016 | Jan 22, 2016 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 11, 2015 | Feb 10, 2015 | 000-22955 |
| 4 | Open Document | Open Filing | Mar 31, 2014 | Mar 28, 2014 | 000-22955 |