| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 30, 2021 | Jun 30, 2021 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2021 | Mar 31, 2021 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2021 | Dec 30, 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 1, 2020 | Sep 30, 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 9, 2020 | Jun 30, 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2020 | Mar 31, 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 31, 2020 | Mar 27, 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2020 | Mar 3, 2020 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2019 | Sep 16, 2019 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 7, 2018 | Nov 5, 2018 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2018 | Sep 28, 2018 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 26, 2018 | Feb 26, 2018 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 1, 2017 | Oct 31, 2017 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 21, 2017 | Aug 18, 2017 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | May 1, 2017 | May 1, 2017 | 001-11961 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 9, 2017 | Mar 8, 2017 | 001-11961 |
| 3 | Open Document | Open Filing | FORM 3 | Aug 9, 2016 | Aug 9, 2016 | 001-11961 |