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 Xianfeng Yang.

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Xianfeng Yang has filed 2 SEC EDGAR filings since 18 Aug 2025

Recent SEC filings for Xianfeng Yang including 3, 144.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	18 Mar 2026	18 Mar 2026	001-36206
144	Open 144 document	View SEC filing for 144		18 Aug 2025

Xianfeng Yang files with the SEC under CIK 0001985439. 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.