| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 09 May 2024 | 07 May 2024 | 001-13323 |
| 4 | Open Document | Open Filing | 11 May 2023 | 09 May 2023 | 001-13323 | |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2022 | 10 May 2022 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2021 | 11 May 2021 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2020 | 05 May 2020 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2019 | 07 May 2019 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2018 | 08 May 2018 | 001-13323 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2017 | 09 May 2017 | 001-13323 |
| 3 | Open Document | Open Filing | FORM 3 | 10 May 2017 | 09 May 2017 | 001-13323 |
| 4 | Open Document | Open Filing | 4 | 26 Jan 2015 | 22 Jan 2015 | 001-16501 |
| 3 | Open Document | Open Filing | 3 | 06 Aug 2014 | 31 Jul 2014 | 001-16501 |