SEC EDGAR filings, ownership reports, and insider transactions for Chang Liu.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | CHANG LIU | 30 Oct 2025 | 28 Oct 2025 | 001-31830 |
| 144 | Open Document | Open Filing | 28 Oct 2025 | |||
| 4 | Open Document | Open Filing | CHANG LIU | 01 Jul 2025 | 27 Jun 2025 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 03 Apr 2025 | 01 Apr 2025 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 02 Jul 2024 | 28 Jun 2024 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 03 Apr 2024 | 01 Apr 2024 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 31 Jul 2023 | 27 Jul 2023 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 05 Apr 2023 | 03 Apr 2023 | 001-31830 |
| 5 | Open Document | Open Filing | CHANG LIU | 01 Feb 2023 | 31 Dec 2022 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 31 May 2022 | 26 May 2022 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 01 Apr 2022 | 01 Apr 2022 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 03 Mar 2022 | 03 Mar 2022 | 001-31830 |
| 5 | Open Document | Open Filing | CHANG LIU | 04 Feb 2022 | 31 Dec 2021 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 26 Jul 2021 | 22 Jul 2021 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 11 Mar 2021 | 09 Mar 2021 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 05 Mar 2021 | 03 Mar 2021 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 18 Sep 2020 | 16 Sep 2020 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 12 Mar 2020 | 09 Mar 2020 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 22 Jul 2019 | 18 Jul 2019 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 12 Jun 2019 | 10 Jun 2019 | 001-31830 |
| 4 | Open Document | Open Filing | CHANG LIU | 13 Mar 2019 | 11 Mar 2019 | 001-31830 |
| 3 | Open Document | Open Filing | FORM 3 | 01 Feb 2019 | 01 Feb 2019 | 001-31830 |
| 5 | Open Document | Open Filing | 12 Feb 2014 | 31 Dec 2013 | 001-35522 | |
| 4 | Open Document | Open Filing | 02 Dec 2013 | 29 Nov 2013 | 001-35522 | |
| 5 | Open Document | Open Filing | 12 Feb 2013 | 31 Dec 2012 | 001-35522 | |
| 4 | Open Document | Open Filing | 02 Jan 2013 | 29 Dec 2012 | 001-35522 | |
| 4 | Open Document | Open Filing | 03 Dec 2012 | 29 Nov 2012 | 001-35522 | |
| 4 | Open Document | Open Filing | 04 Oct 2012 | 01 Oct 2012 | 001-35522 | |
| 4 | Open Document | Open Filing | 27 Sep 2012 | 26 Sep 2012 | 001-35522 | |
| 5 | Open Document | Open Filing | 01 Mar 2012 | 31 Dec 2011 | 000-49806 | |
| 4 | Open Document | Open Filing | 05 Jan 2012 | 29 Dec 2011 | 000-49806 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2010 | 29 Nov 2010 | 000-49806 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2010 | 29 Nov 2010 | 000-49806 |