| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2021 | Jun 30, 2021 | 001-40574 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2021 | Jun 14, 2021 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2021 | Apr 1, 2021 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2021 | Jan 1, 2021 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2020 | Oct 1, 2020 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2020 | Jul 1, 2020 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2020 | Apr 1, 2020 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 24, 2020 | Feb 20, 2020 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2020 | Jan 2, 2020 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2019 | Oct 31, 2019 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2019 | Aug 1, 2019 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 10, 2019 | Jun 6, 2019 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2019 | Apr 1, 2019 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2018 | Jul 2, 2018 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2018 | Apr 2, 2018 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2018 | Feb 15, 2018 | 000-52049 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2017 | May 2, 2017 | 000-52049 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | May 4, 2017 | May 2, 2017 | 000-52049 |