| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jul 19, 2022 | Jul 1, 2022 | 001-39165 |
| 4/A | Open Document | Open Filing | FORM 4/A | Nov 2, 2021 | Jul 1, 2021 | 001-39165 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 18, 2021 | Jul 1, 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 | 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 | Jan 27, 2020 | Jan 23, 2020 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 29, 2019 | Aug 28, 2019 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2019 | Jun 12, 2019 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 13, 2019 | Jun 12, 2019 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2019 | May 20, 2019 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2019 | Mar 7, 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 28, 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 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 21, 2017 | Apr 20, 2017 | 000-22955 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2017 | Apr 1, 2017 | 000-22955 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Apr 3, 2017 | Apr 1, 2017 | 000-22955 |