| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2021 | 02 Jun 2021 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2021 | 21 Jan 2021 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2021 | 27 Jan 2021 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jan 2020 | 29 Jan 2020 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2019 | 30 Jan 2019 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Feb 2018 | 31 Jan 2018 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jan 2017 | 25 Jan 2017 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2016 | 11 Feb 2016 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2016 | 27 Jan 2016 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2015 | 25 Feb 2015 | 000-11733 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2014 | 26 Feb 2014 | 000-11733 |