| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM4 | 23 Nov 2021 | 22 Nov 2021 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2020 | 11 Jun 2020 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2019 | 25 Jun 2019 | 000-28191 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2018 | 02 Aug 2018 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2018 | 20 Jun 2018 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2017 | 06 Jun 2017 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jun 2016 | 22 Jun 2016 | 001-35591 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2015 | 02 Jun 2015 | 001-35591 |
| 3 | Open Document | Open Filing | FORM 3 | 04 Mar 2015 | 26 Feb 2015 | 001-34897 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2014 | 03 Jun 2014 | 001-35591 |