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 Yuying Liang.

Business address: C/O Ispecimen Inc., 8 Cabot Road, Suite 1800, Woburn, MA, 01801

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Yuying Liang has filed 2 SEC EDGAR filings since 30 Jan 2025

Recent SEC filings for Yuying Liang including 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
3	Open 3 document	View SEC filing for 3	3	12 Jan 2026	06 Jan 2026	001-41488
3	Open 3 document	View SEC filing for 3		30 Jan 2025	13 Dec 2024	001-40501

Yuying Liang files with the SEC under CIK 0002053429. 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.