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 Sheng-Yih Chang.

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Sheng-Yih Chang has filed 5 SEC EDGAR filings since 15 Feb 2024

Recent SEC filings for Sheng-Yih Chang including SCHEDULE 13D, 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
SCHEDULE 13D	Open SCHEDULE 13D document	View SEC filing for SCHEDULE 13D		05 Dec 2024
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	02 Dec 2024	26 Nov 2024	000-54439
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	04 Nov 2024	31 Oct 2024	000-54439
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	04 Apr 2024	13 Mar 2024	000-54439
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	15 Feb 2024	14 Nov 2022	000-54439

Sheng-Yih Chang files with the SEC under CIK 0001841429. 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.