| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2022 | 08 Jun 2022 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2022 | 24 May 2022 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2021 | 25 May 2021 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2020 | 27 May 2020 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2019 | 21 May 2019 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2018 | 22 May 2018 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2017 | 23 May 2017 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jul 2016 | 14 Jul 2016 | 001-09047 |
| 4/A | Open Document | Open Filing | FORM 4/A | 26 May 2016 | 24 May 2016 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2016 | 19 May 2016 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jul 2015 | 14 Jul 2015 | 001-09047 |
| 3 | Open Document | Open Filing | FORM 3 | 14 Jul 2015 | 14 Jul 2015 | 001-09047 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2015 | 20 Feb 2015 | 001-34801 |