| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 17 Oct 2025 | 15 Oct 2025 | 000-11330 |
| 4 | Open Document | Open Filing | 4 | 17 Jul 2025 | 15 Jul 2025 | 000-11330 |
| 4 | Open Document | Open Filing | 4 | 17 Jul 2024 | 15 Jul 2024 | 000-11330 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2023 | 15 Jul 2023 | 000-11330 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jul 2022 | 15 Jul 2022 | 000-11330 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 12 Jul 2022 | 01 Jun 2022 | 000-11330 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jul 2021 | 15 Jul 2021 | 000-11330 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2020 | 15 Jul 2020 | 000-11330 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Mar 2020 | 27 Mar 2020 | 000-11330 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jul 2019 | 11 Jul 2019 | 000-11330 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2018 | 07 Nov 2018 | 000-24455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2018 | 01 Aug 2018 | 000-24455 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jul 2018 | 12 Jul 2018 | 000-11330 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2017 | 07 Nov 2017 | 000-24455 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jul 2017 | 13 Jul 2017 | 000-11330 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 18 Jan 2017 | 15 Jan 2017 | 000-11330 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Aug 2016 | 11 Jan 2016 | 000-24455 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2016 | 10 Feb 2016 | 000-24455 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Jun 2013 | 05 Jun 2013 | 000-27596 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Apr 2013 | 24 Apr 2013 | 000-27596 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2013 | 08 Mar 2013 | 000-27596 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Mar 2013 | 05 Mar 2013 | 000-27596 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Feb 2013 | 12 Feb 2013 | 000-27596 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 May 2012 | 22 May 2012 | 000-27596 |