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 Jeff Cheng-Hsun Chang.

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Jeff Cheng-Hsun Chang has filed 1 SEC EDGAR filings since 10 Jun 2025

Recent SEC filings for Jeff Cheng-Hsun Chang including 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	10 Jun 2025	01 Jan 2023	811-21465

Jeff Cheng-Hsun Chang files with the SEC under CIK 0002072162. 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.