| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 18, 2021 | Oct 15, 2021 | 001-35098 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 18, 2021 | Aug 16, 2021 | 001-35098 | 
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 2, 2021 | May 3, 2021 | 001-35098 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2021 | May 3, 2021 | 001-35098 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2021 | Feb 27, 2021 | 001-35098 | 
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jul 1, 2020 | May 4, 2020 | 001-35098 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2020 | May 4, 2020 | 001-35098 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2020 | Feb 27, 2020 | 001-35098 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 17, 2019 | Jun 17, 2019 | 001-35098 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 17, 2019 | Jun 11, 2019 | 001-35098 |