| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | Dec 13, 2021 | Dec 12, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | May 10, 2021 | May 6, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 10, 2021 | Mar 8, 2021 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | May 8, 2020 | May 6, 2020 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 - | Mar 11, 2020 | Mar 9, 2020 | 001-13703 |
| 3 | Open Document | Open Filing | FORM 3 - | Mar 9, 2020 | Mar 9, 2020 | 001-13703 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 13, 2020 | Feb 11, 2020 | 001-38000 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2020 | Feb 5, 2020 | 001-38000 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2019 | Nov 4, 2019 | 001-38000 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2019 | Feb 25, 2019 | 001-38000 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2018 | Feb 26, 2018 | 001-38000 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 6, 2017 | Feb 2, 2017 | 001-38000 |
| 3 | Open Document | Open Filing | FORM 3 | Jan 27, 2017 | Jan 27, 2017 | 001-38000 |