| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 19 Nov 2025 | 17 Nov 2025 | 000-21990 | |
| 4 | Open Document | Open Filing | 10 Jul 2025 | 08 Jul 2025 | 000-21990 | |
| 4 | Open Document | Open Filing | 31 Jan 2025 | 29 Jan 2025 | 000-21990 | |
| 4 | Open Document | Open Filing | 26 Nov 2024 | 22 Nov 2024 | 000-21990 | |
| 4 | Open Document | Open Filing | 27 Aug 2024 | 23 Aug 2024 | 000-21990 | |
| 4 | Open Document | Open Filing | 30 Jun 2023 | 28 Jun 2023 | 000-21990 | |
| 4 | Open Document | Open Filing | 20 Jun 2023 | 16 Jun 2023 | 000-21990 | |
| 4 | Open Document | Open Filing | 16 Jun 2023 | 14 Jun 2023 | 000-21990 | |
| 4 | Open Document | Open Filing | 31 May 2023 | 26 May 2023 | 000-21990 | |
| 4 | Open Document | Open Filing | 02 May 2023 | 02 May 2023 | 000-21990 | |
| 4 | Open Document | Open Filing | 07 Dec 2022 | 06 Dec 2022 | 000-21990 | |
| 4 | Open Document | Open Filing | 25 Nov 2022 | 22 Nov 2022 | 000-21990 | |
| 4 | Open Document | Open Filing | 28 Sep 2022 | 26 Sep 2022 | 000-21990 | |
| 4 | Open Document | Open Filing | 29 Aug 2022 | 25 Aug 2022 | 000-21990 | |
| 4 | Open Document | Open Filing | 08 Sep 2021 | 03 Sep 2021 | 000-21990 | |
| 4 | Open Document | Open Filing | 16 Jul 2021 | 31 Mar 2021 | 000-21990 | |
| 4 | Open Document | Open Filing | 23 Nov 2020 | 19 Nov 2020 | 000-21990 | |
| 4 | Open Document | Open Filing | 27 Mar 2020 | 26 Mar 2020 | 000-21990 | |
| SC 13D | Open Document | Open Filing | SC 13D | 03 May 2019 | ||
| 3 | Open Document | Open Filing | 02 May 2019 | 22 Apr 2019 | 000-21990 | |
| 4 | Open Document | Open Filing | 04 Oct 2018 | 01 Oct 2018 | 000-13789 | |
| SC 13D/A | Open Document | Open Filing | 27 Apr 2018 | |||
| 4 | Open Document | Open Filing | 18 Apr 2018 | 16 Apr 2018 | 000-13789 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 03 Jan 2018 | 000-13789 |
| 4 | Open Document | Open Filing | 05 Jul 2017 | 30 Jun 2017 | 000-13789 | |
| 4 | Open Document | Open Filing | 12 Jun 2017 | 09 Jun 2017 | 000-13789 | |
| 4 | Open Document | Open Filing | 08 Jun 2017 | 07 Jun 2017 | 000-13789 | |
| 4 | Open Document | Open Filing | 08 Feb 2017 | 06 Feb 2017 | 000-13789 | |
| 4 | Open Document | Open Filing | 04 Jan 2017 | 03 Jan 2017 | 000-13789 | |
| SC 13D | Open Document | Open Filing | 23 Nov 2016 | |||
| 4 | Open Document | Open Filing | 22 Nov 2016 | 15 Nov 2016 | 000-13789 | |
| 3 | Open Document | Open Filing | 22 Nov 2016 | 15 Nov 2016 | 000-13789 |