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 Chris Chang Yu.

Business address: 3 F, No.11 Ke Jung Rd., Hsinchu Science Park, Chu Nan, Taiwan, Province of China, 350
Top holdings (ownership): LEDS

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Chris Chang Yu has filed 3 SEC EDGAR filings since 08 Jul 2024

Recent SEC filings for Chris Chang Yu including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	28 Nov 2025	27 Nov 2025	001-34992
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	27 Nov 2024	27 Nov 2024	001-34992
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	08 Jul 2024	03 Jul 2024	001-34992

Chris Chang Yu files with the SEC under CIK 0002029299. 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.