| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 20 Jan 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2021 | 13 May 2021 | 001-39568 |
| SC 13G | Open Document | Open Filing | SC 13G | 03 Feb 2021 | ||
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 16 Oct 2020 | 02 Oct 2020 | 001-39568 |
| D/A | Open Document | Open Filing | 13 Feb 2019 | 021-298739 | ||
| D/A | Open Document | Open Filing | 13 Nov 2018 | 021-298739 | ||
| D | Open Document | Open Filing | 14 Nov 2017 | 021-298739 |