| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2021 | May 5, 2021 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 24, 2021 | Feb 22, 2021 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 14, 2020 | Dec 7, 2020 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2020 | Nov 3, 2020 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 8, 2020 | Jun 4, 2020 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2020 | May 29, 2020 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 17, 2020 | Mar 13, 2020 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 17, 2020 | Jan 15, 2020 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2019 | Nov 11, 2019 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2019 | Mar 1, 2019 | 001-35892 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2019 | Mar 1, 2019 | 001-35892 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 1, 2018 | Oct 1, 2018 | 001-35892 |