A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.

Why are some filings missing?

New filings appear as the SEC updates EDGAR, and older records can vary by availability.

How often is this page updated?

Updates follow new EDGAR submissions and periodic data refreshes.

SEC EDGAR filings, ownership reports, and insider transactions for Brian Guan-Chyun Liu.

Business address: C/O Cg Oncology, Inc., 400 Spectrum Center Drive, Suite 2040, Irvine, CA, 92618
Top holdings (ownership): CGON

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Brian Guan-Chyun Liu has filed 4 SEC EDGAR filings since 24 Jan 2024

Recent SEC filings for Brian Guan-Chyun Liu including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	4	15 Sep 2025	11 Sep 2025	001-41925
4	Open 4 document	View SEC filing for 4	4	06 Jun 2025	05 Jun 2025	001-41925
4	Open 4 document	View SEC filing for 4	4	07 Oct 2024	04 Oct 2024	001-41925
3	Open 3 document	View SEC filing for 3	3	24 Jan 2024	24 Jan 2024	001-41925

Brian Guan-Chyun Liu files with the SEC under CIK 0002007835. This page aggregates EDGAR filings and related ownership activity.

What is a CIK?: A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?: New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?: Updates follow new EDGAR submissions and periodic data refreshes.