| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2022 | 28 Mar 2022 | 001-39268 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2021 | 22 Dec 2021 | 001-39268 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Mar 2021 | 23 Mar 2021 | 001-39268 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2021 | 15 Mar 2021 | 001-39268 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2021 | 18 Feb 2021 | 001-39268 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2020 | 18 Feb 2020 | 000-23486 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 27 Sep 2019 | 20 Sep 2019 | 000-23486 |