| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 Apr 2024 | 25 Mar 2024 | 001-12555 | |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2022 | 09 Jun 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Apr 2022 | 08 Apr 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2022 | 08 Mar 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2022 | 23 Feb 2022 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2021 | 08 Jun 2021 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Mar 2021 | 04 Mar 2021 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2021 | 18 Feb 2021 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2020 | 05 Aug 2020 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2020 | 07 Jun 2020 | 001-35887 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2019 | 07 Jun 2019 | 001-35887 |
| 3 | Open Document | Open Filing | FORM 3 | 23 May 2019 | 13 May 2019 | 001-35887 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2012 | 07 May 2012 | 333-150937 |