| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 27 Oct 2025 | 24 Oct 2025 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Oct 2025 | 15 Oct 2025 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jul 2025 | 24 Jul 2025 | 000-15175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jul 2025 | 17 Jul 2025 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jul 2025 | 15 Jul 2025 | 000-15175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2025 | 07 Jun 2025 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | 000-15175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2025 | 24 Apr 2025 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2025 | 15 Apr 2025 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2025 | 24 Jan 2025 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2025 | 15 Jan 2025 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Oct 2024 | 24 Oct 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Oct 2024 | 15 Oct 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jul 2024 | 24 Jul 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jul 2024 | 15 Jul 2024 | 000-15175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jun 2024 | 07 Jun 2024 | 000-20853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 May 2024 | 12 May 2024 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Apr 2024 | 24 Apr 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2024 | 22 Apr 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2024 | 15 Apr 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2024 | 24 Jan 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jan 2024 | 12 Jan 2024 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Oct 2023 | 24 Oct 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Oct 2023 | 15 Oct 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jul 2023 | 24 Jul 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jul 2023 | 15 Jul 2023 | 000-15175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2023 | 12 May 2023 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2023 | 24 Apr 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Apr 2023 | 15 Apr 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2023 | 24 Jan 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2023 | 09 Jan 2023 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Oct 2022 | 24 Oct 2022 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jul 2022 | 24 Jul 2022 | 000-15175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2022 | 13 May 2022 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2022 | 24 Apr 2022 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2022 | 24 Jan 2022 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2022 | 09 Jan 2022 | 000-15175 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2021 | 26 Oct 2021 | 000-20853 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2021 | 26 Oct 2021 | 000-20853 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jan 2021 | 25 Jan 2021 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jan 2021 | 09 Jan 2021 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2020 | 27 Jan 2020 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2020 | 09 Jan 2020 | 000-15175 |
| 3 | Open Document | Open Filing | FORM 3 | 10 Jan 2020 | 09 Jan 2020 | 000-15175 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Aug 2015 | 06 Aug 2015 | 000-25871 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Feb 2015 | 10 Feb 2015 | 000-25871 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Feb 2015 | 05 Feb 2015 | 000-25871 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2015 | 01 Feb 2015 | 000-25871 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2014 | 03 Nov 2014 | 000-25871 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Aug 2014 | 31 Jul 2014 | 000-25871 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2014 | 03 Feb 2014 | 000-25871 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2013 | 01 Nov 2013 | 000-25871 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 10 Sep 2013 | 04 Sep 2013 | 000-25871 |