| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2022 | 12 Aug 2022 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2022 | 29 Apr 2022 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2021 | 03 May 2021 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 14 May 2020 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2020 | 01 May 2020 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2019 | 01 May 2019 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2018 | 01 May 2018 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2017 | 01 May 2017 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2016 | 02 May 2016 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2015 | 01 May 2015 | 001-13227 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2014 | 01 May 2014 | 001-13227 |