| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2021 | 10 Aug 2021 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2021 | 03 May 2021 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2020 | 10 Aug 2020 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2019 | 12 Aug 2019 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2018 | 07 Sep 2018 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2017 | 10 Aug 2017 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2016 | 10 Aug 2016 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Aug 2014 | 07 Aug 2014 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Aug 2013 | 12 Aug 2013 | 000-01989 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Aug 2012 | 10 Aug 2012 | 000-01989 |