| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 18 Nov 2025 | 17 Nov 2025 | 000-25991 | |
| 4 | Open Document | Open Filing | 12 May 2023 | 12 May 2023 | 000-25991 | |
| 4 | Open Document | Open Filing | 26 Apr 2023 | 25 Apr 2023 | 000-25991 | |
| 4 | Open Document | Open Filing | 24 Apr 2023 | 24 Apr 2023 | 000-25991 | |
| 4 | Open Document | Open Filing | 25 Oct 2022 | 21 Oct 2022 | 000-25991 | |
| 4 | Open Document | Open Filing | 03 Jan 2022 | 30 Dec 2021 | 000-25991 | |
| SC 13D/A | Open Document | Open Filing | 09 Jul 2021 | |||
| 4 | Open Document | Open Filing | 14 Sep 2020 | 14 Sep 2020 | 000-25991 | |
| 4 | Open Document | Open Filing | 31 Mar 2020 | 30 Mar 2020 | 000-25991 | |
| 4/A | Open Document | Open Filing | 30 Mar 2020 | 25 Mar 2020 | 000-25991 | |
| 4 | Open Document | Open Filing | 25 Mar 2020 | 25 Mar 2020 | 000-25991 | |
| 4 | Open Document | Open Filing | 24 Mar 2020 | 24 Mar 2020 | 000-25991 | |
| 4 | Open Document | Open Filing | 20 Mar 2020 | 20 Mar 2020 | 000-25991 | |
| 4 | Open Document | Open Filing | 18 Mar 2020 | 18 Mar 2020 | 000-25991 | |
| 4 | Open Document | Open Filing | 04 Jun 2019 | 03 Jun 2019 | 000-25991 | |
| 4 | Open Document | Open Filing | 14 Dec 2018 | 14 Dec 2018 | 000-25991 | |
| 4 | Open Document | Open Filing | 10 Aug 2018 | 10 Aug 2018 | 000-25991 | |
| 4 | Open Document | Open Filing | 09 Jun 2017 | 08 Jun 2017 | 000-25991 | |
| SC 13D | Open Document | Open Filing | 07 Mar 2017 | |||
| 4 | Open Document | Open Filing | 02 Nov 2016 | 02 Nov 2016 | 000-25991 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Aug 2014 | 19 Aug 2014 | 000-25991 |