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 Mao Zhang.

Business address: 60 East Ren Min Road, Da Chai Dan Town, Xaixi County,Qing Hai Province, China, 813300

Get insider transactions for this reporting owner

Mao Zhang has filed 3 SEC EDGAR filings since 05 Feb 2019

Recent SEC filings for Mao Zhang including 4, SC 13D, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	04 Nov 2021	04 Nov 2021	001-34246
SC 13D	Open SC 13D document	View SEC filing for SC 13D	SCHEDULE 13D	06 Feb 2019
3	Open 3 document	View SEC filing for 3		05 Feb 2019	04 Feb 2019	001-34246

Mao Zhang files with the SEC under CIK 0001763711. 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.