| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | Dec 20, 2021 | Dec 17, 2021 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 9, 2021 | Dec 7, 2021 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 3, 2020 | Dec 1, 2020 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Apr 8, 2020 | Apr 6, 2020 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 5, 2019 | Dec 3, 2019 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Sep 10, 2019 | Sep 6, 2019 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 6, 2018 | Dec 4, 2018 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 7, 2017 | Dec 5, 2017 | 001-02402 |
| 4 | Open Document | Open Filing | FORM 4 - | Dec 8, 2016 | Dec 6, 2016 | 001-02402 |
| 3 | Open Document | Open Filing | FORM 3 - | Jun 6, 2016 | May 30, 2016 | 001-02402 |