| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 18 Apr 2025 | 16 Apr 2025 | 000-55768 | |
| 4 | Open Document | Open Filing | 10 Apr 2025 | 01 Apr 2025 | 000-55768 | |
| 4 | Open Document | Open Filing | 31 Mar 2025 | 27 Mar 2025 | 000-55768 | |
| 4 | Open Document | Open Filing | 24 Mar 2025 | 27 Mar 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | 19 Sep 2024 | 17 Sep 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | 28 Jun 2024 | 27 Jun 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | 05 Jun 2024 | 03 Jun 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | 12 Apr 2024 | 10 Apr 2024 | 000-55768 | |
| 4 | Open Document | Open Filing | 04 Apr 2024 | 01 Dec 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | 15 Sep 2023 | 13 Sep 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | 21 Aug 2023 | 17 Aug 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | 16 May 2023 | 05 Jan 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | 31 Jan 2023 | 27 Jan 2023 | 000-55768 | |
| 4 | Open Document | Open Filing | 15 Dec 2022 | 13 Dec 2022 | 000-55768 | |
| 4 | Open Document | Open Filing | 21 Jan 2022 | 21 Dec 2021 | 000-55768 | |
| 4 | Open Document | Open Filing | 14 Jan 2021 | 13 Jan 2021 | 000-55768 | |
| 4 | Open Document | Open Filing | 21 Oct 2020 | 19 Oct 2020 | 000-55768 | |
| 4 | Open Document | Open Filing | 26 Aug 2020 | 24 Aug 2020 | 000-55768 | |
| 4 | Open Document | Open Filing | 20 Feb 2020 | 31 Dec 2019 | 000-55768 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Feb 2018 | 15 Feb 2018 | 000-55768 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Feb 2018 | 24 Mar 2017 | 000-55768 |
| 4 | Open Document | Open Filing | 08 Dec 2014 | 04 Dec 2014 | 001-35756 | |
| 4 | Open Document | Open Filing | 24 Nov 2014 | 20 Nov 2014 | 001-35756 | |
| 4 | Open Document | Open Filing | 27 Aug 2014 | 05 Mar 2013 | 001-35756 | |
| 4 | Open Document | Open Filing | 11 Aug 2014 | 15 Apr 2014 | 001-35756 |