| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2021 | May 14, 2021 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 17, 2021 | Mar 15, 2021 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2021 | Mar 7, 2021 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 19, 2020 | Nov 18, 2020 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2020 | May 14, 2020 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 10, 2020 | Mar 7, 2020 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 11, 2019 | Mar 7, 2019 | 001-38506 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Nov 13, 2018 | May 29, 2018 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 9, 2018 | Nov 7, 2018 | 001-38506 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 31, 2018 | May 29, 2018 | 001-38506 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 24, 2018 | May 24, 2018 | 001-38506 |