| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 25, 2022 | Apr 21, 2022 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2021 | Dec 1, 2021 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2020 | Dec 1, 2020 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2020 | Jun 1, 2020 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 2, 2019 | Dec 1, 2019 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2019 | Jun 1, 2019 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 4, 2018 | Dec 1, 2018 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 29, 2018 | May 24, 2018 | 001-11758 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2018 | Feb 1, 2018 | 001-11758 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 5, 2018 | Jan 1, 2018 | 001-11758 |