| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2025 | 08 May 2025 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2024 | 09 May 2024 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2023 | 10 May 2023 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2023 | 04 May 2023 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2022 | 04 May 2022 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2021 | 05 May 2021 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2021 | 05 May 2021 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2020 | 05 May 2020 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2020 | 01 May 2020 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2019 | 01 May 2019 | 001-13149 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2018 | 01 Aug 2018 | 000-09165 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2018 | 02 May 2018 | 000-09165 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2017 | 01 Aug 2017 | 000-09165 |
| 3 | Open Document | Open Filing | FORM 3 | 03 Aug 2017 | 01 Aug 2017 | 000-09165 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2014 | 31 Dec 2013 | 000-23837 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 09 May 2014 | 31 Mar 2013 | 000-23837 |