| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2025 | 09 Mar 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2025 | 05 Mar 2025 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2024 | 09 Mar 2024 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2023 | 15 Aug 2023 | 000-26489 |
| 144 | Open Document | Open Filing | 15 Aug 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2023 | 09 Mar 2023 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2022 | 09 Mar 2022 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2021 | 09 Mar 2021 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2020 | 09 Mar 2020 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 31 Dec 2019 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Mar 2019 | 09 Mar 2019 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 31 Dec 2018 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2018 | 09 Nov 2018 | 000-26489 |
| 4/A | Open Document | Open Filing | FORM 4/A | 26 Jun 2018 | 09 Mar 2018 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2018 | 09 Mar 2018 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Mar 2017 | 09 Mar 2017 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2017 | 21 Feb 2017 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2016 | 09 Mar 2016 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2016 | 29 Feb 2016 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Dec 2015 | 15 Dec 2015 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2015 | 08 Jun 2015 | 000-26489 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2015 | 09 Mar 2015 | 000-26489 |
| 3 | Open Document | Open Filing | FORM 3 | 06 Mar 2015 | 26 Feb 2015 | 000-26489 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2013 | 07 Feb 2013 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2013 | 03 Feb 2013 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2013 | 27 Jan 2013 | 001-13251 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2013 | 27 Jan 2012 | 001-13251 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2012 | 03 Feb 2012 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Feb 2012 | 03 Feb 2012 | 001-13251 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2012 | 27 Jan 2012 | 001-13251 |