| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2022 | Dec 13, 2022 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 10, 2022 | Feb 8, 2022 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2021 | Dec 16, 2021 | 001-36041 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Dec 16, 2021 | Dec 16, 2021 | 001-36041 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 16, 2021 | Dec 16, 2021 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 12, 2021 | Apr 8, 2021 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 16, 2021 | Mar 15, 2021 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2020 | Dec 11, 2020 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 13, 2020 | Nov 12, 2020 | 000-55428 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 2, 2020 | Sep 1, 2020 | 000-55428 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2020 | Mar 6, 2020 | 000-55772 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2020 | Mar 6, 2020 | 000-54674 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2020 | Mar 6, 2020 | 000-55428 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 21, 2017 | Apr 21, 2017 | 000-55772 |
| 3 | Open Document | Open Filing | FORM 3 | Apr 20, 2015 | Apr 20, 2015 | 000-55428 |