| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 03 Mar 2022 | 01 Mar 2022 | 000-52423 | |
| 4 | Open Document | Open Filing | 28 Feb 2022 | 24 Feb 2022 | 000-52423 | |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Feb 2021 | 24 Feb 2021 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2020 | 11 Mar 2020 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Mar 2020 | 06 Mar 2020 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Mar 2019 | 06 Mar 2019 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2019 | 28 Feb 2019 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Mar 2018 | 28 Feb 2018 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Mar 2017 | 01 Mar 2017 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2016 | 02 Mar 2016 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Mar 2015 | 04 Mar 2015 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Dec 2014 | 10 Dec 2014 | 000-52423 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Jun 2014 | 18 Jun 2014 | 000-52423 |
| 3 | Open Document | Open Filing | FORM 3 - | 20 Jun 2014 | 18 Jun 2014 | 000-52423 |