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 Chang.

Business address: C/O Warburg Pincus Llc, 450 Lexington Avenue, New York, NY, 10017
Top holdings (ownership): CYRN

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Brian Chang has filed 7 SEC EDGAR filings since 02 Jan 2019

Recent SEC filings for Brian Chang including 4/A, 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4/A	Open 4/A document	View SEC filing for 4/A	OWNERSHIP DOCUMENT	23 Jul 2021	21 Jul 2021	000-26495
4	Open 4 document	View SEC filing for 4		23 Jul 2021	21 Jul 2021	000-26495
4	Open 4 document	View SEC filing for 4		06 Jan 2021	04 Jan 2021	000-26495
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	08 Jan 2020	06 Jan 2020	000-26495
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	08 Nov 2019	06 Nov 2019	000-26495
4	Open 4 document	View SEC filing for 4		24 Jan 2019	22 Jan 2019	000-26495
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	02 Jan 2019	01 Jan 2019	000-26495

Brian Chang files with the SEC under CIK 0001723145. 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.