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 Yahui Chang.

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Yahui Chang has filed 4 SEC EDGAR filings since 15 Oct 2024

Recent SEC filings for Yahui Chang including 4, 3.

Form type	Document	Filing	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	09 Oct 2025	07 Oct 2025	001-40710
4	Open 4 document	View SEC filing for 4	05 Aug 2025	01 Aug 2025	001-40710
4	Open 4 document	View SEC filing for 4	16 Dec 2024	11 Nov 2024	001-40710
3	Open 3 document	View SEC filing for 3	15 Oct 2024	07 Oct 2024	001-40710

Yahui Chang files with the SEC under CIK 0001976736. 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.