| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 21 Nov 2025 | 20 Nov 2025 | 000-14942 | |
| 4 | Open Document | Open Filing | 22 Nov 2024 | 20 Nov 2024 | 000-14942 | |
| 4 | Open Document | Open Filing | 08 Nov 2024 | 07 Nov 2024 | 000-14942 | |
| 4 | Open Document | Open Filing | 03 Jul 2024 | 01 Jul 2024 | 000-14942 | |
| 4 | Open Document | Open Filing | 08 Aug 2022 | 14 Jul 2022 | 000-14942 | |
| 4 | Open Document | Open Filing | 23 Dec 2021 | 21 Dec 2021 | 000-14942 | |
| 4 | Open Document | Open Filing | 25 May 2021 | 25 May 2021 | 000-14942 | |
| 4 | Open Document | Open Filing | 25 Feb 2021 | 23 Feb 2021 | 000-14942 | |
| 4 | Open Document | Open Filing | 28 Jan 2021 | 07 Dec 2020 | 000-14942 | |
| 4 | Open Document | Open Filing | 16 Sep 2020 | 15 Sep 2020 | 000-14942 | |
| 4 | Open Document | Open Filing | 17 Jul 2020 | 16 Jul 2020 | 000-14942 | |
| 4 | Open Document | Open Filing | 12 Feb 2020 | 12 Feb 2020 | 000-14942 | |
| 4 | Open Document | Open Filing | 13 Feb 2019 | 13 Feb 2019 | 000-14942 | |
| 4 | Open Document | Open Filing | 02 Jul 2018 | 01 Jul 2018 | 000-14942 | |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jan 2015 | 12 Jan 2015 | 000-14942 |