| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2021 | Nov 1, 2021 | 001-32217 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2021 | Jan 5, 2021 | 001-32217 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jan 6, 2021 | Sep 13, 2018 | 001-32217 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2020 | Dec 7, 2020 | 001-32217 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 5, 2020 | Jun 3, 2020 | 001-32217 |
| 4 | Open Document | Open Filing | FORM 4 | May 15, 2019 | May 13, 2019 | 001-32217 |
| 4 | Open Document | Open Filing | Sep 17, 2018 | Sep 13, 2018 | 001-32217 | |
| 4 | Open Document | Open Filing | Aug 30, 2018 | Aug 17, 2018 | 001-32217 | |
| 4 | Open Document | Open Filing | Apr 20, 2018 | Mar 12, 2018 | 001-32217 | |
| 3 | Open Document | Open Filing | Apr 20, 2018 | Mar 12, 2018 | 001-32217 |