| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2025 | 14 Aug 2025 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2025 | 02 Aug 2025 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2025 | 01 May 2025 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2025 | 03 Feb 2025 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2024 | 01 Nov 2024 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Aug 2024 | 02 Aug 2024 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2024 | 01 Aug 2024 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2024 | 01 May 2024 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2024 | 01 Feb 2024 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2023 | 01 Nov 2023 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2023 | 10 Aug 2023 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2023 | 01 Aug 2023 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2023 | 01 May 2023 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2023 | 01 Feb 2023 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2022 | 01 Nov 2022 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2022 | 11 Aug 2022 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2022 | 01 Aug 2022 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2022 | 02 May 2022 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2022 | 01 Feb 2022 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Nov 2021 | 01 Nov 2021 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2021 | 12 Aug 2021 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2021 | 02 Aug 2021 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2020 | 06 Aug 2020 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2019 | 08 Aug 2019 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2019 | 02 Aug 2019 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2019 | 01 May 2019 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2019 | 01 Feb 2019 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Nov 2018 | 01 Nov 2018 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2018 | 01 Aug 2018 | 000-17948 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Nov 2017 | 16 Nov 2017 | 000-17948 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2017 | 07 Nov 2017 | 000-17948 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2015 | 26 Oct 2015 | 001-36270 |
| 3 | Open Document | Open Filing | FORM 3 | 28 Jul 2014 | 15 Apr 2014 | 001-36270 |