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 KER ZHANG.

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KER ZHANG has filed 9 SEC EDGAR filings since 20 Oct 2003

Recent SEC filings for KER ZHANG including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4		31 Jul 2025	29 Jul 2025	001-42766
3	Open 3 document	View SEC filing for 3		29 Jul 2025	29 Jul 2025	001-42766
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	14 Jul 2020	13 Jul 2020	001-39377

KER ZHANG files with the SEC under CIK 0001266870. 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.