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 Rui (Rain) Zhang.

Business address: 12 Th Floor, Building 6 A, Juhuiyuan, No. 108 Xuanwudadao, Nanjing, 00000

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Rui (Rain) Zhang has filed 1 SEC EDGAR filings since 12 Mar 2026

Recent SEC filings for Rui (Rain) Zhang including 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	12 Mar 2026	12 Mar 2026	001-36430

Rui (Rain) Zhang files with the SEC under CIK 0002117262. 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.