| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 20 Nov 2025 | 18 Nov 2025 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | 23 Jul 2025 | 21 Jul 2025 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | 23 Dec 2024 | 19 Dec 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | 20 Dec 2024 | 18 Dec 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | 24 Jul 2024 | 22 Jul 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | 22 Jul 2024 | 18 Jul 2024 | 000-12906 |
| 4 | Open Document | Open Filing | 4 | 18 Jul 2024 | 17 Jul 2024 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 01 Feb 2024 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Dec 2023 | 22 Dec 2023 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Dec 2023 | 04 Dec 2023 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jul 2023 | 17 Jul 2023 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jun 2023 | 22 Jun 2023 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 07 Feb 2023 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Dec 2022 | 13 Dec 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Dec 2022 | 06 Dec 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jul 2022 | 18 Jul 2022 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 11 Feb 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jan 2022 | 14 Jan 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jan 2022 | 10 Jan 2022 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2021 | 08 Dec 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Oct 2021 | 21 Oct 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Oct 2021 | 20 Oct 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jul 2021 | 19 Jul 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2021 | 14 Jun 2021 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Apr 2021 | 27 Apr 2021 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 04 Feb 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Dec 2020 | 11 Dec 2020 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jul 2020 | 21 Jul 2020 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2019 | 18 Dec 2019 | 000-12906 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jul 2019 | 22 Jul 2019 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Dec 2018 | 14 Dec 2018 | 000-12906 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Aug 2018 | 20 Aug 2018 | 000-12906 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Aug 2018 | 20 Aug 2018 | 000-12906 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Oct 2017 | 09 Oct 2017 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | AMENDED ACQUISITION OF BENEFICIAL OWNERSHIP | 06 Jan 2017 | ||
| SC 13G/A | Open Document | Open Filing | AMENDMENT TO FORM SC 13G | 29 Aug 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2014 | 15 Aug 2014 | 000-12906 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 30 Jan 2014 |