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 Brian S. Chang.

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Brian S. Chang has filed 2 SEC EDGAR filings since 19 May 2023

Recent SEC filings for Brian S. Chang including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	30 May 2023	25 May 2023	811-23831
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	19 May 2023	19 May 2023	811-23831

Brian S. Chang files with the SEC under CIK 0001970487. 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.