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 Dandan Liu.

Business address: Y3132 Dongfang Xiaweiyi, Yanjiao, Hebei Province, China, 065201
Top holdings (ownership): PETZ
Top holdings (Schedule 13D): PETZ

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Dandan Liu has filed 6 SEC EDGAR filings since 05 Feb 2019

Recent SEC filings for Dandan Liu including SCHEDULE 13D/A, SC 13D/A, SC 13D.

Form type	Document	Filing	Description	Filing date
SCHEDULE 13D/A	Open SCHEDULE 13D/A document	View SEC filing for SCHEDULE 13D/A		21 Nov 2025
SC 13D/A	Open SC 13D/A document	View SEC filing for SC 13D/A	AMENDMENT NO. 1 TO SCHEDULE 13D	04 Aug 2022
SC 13D/A	Open SC 13D/A document	View SEC filing for SC 13D/A	AMENDMENT NO. 1 TO SCHEDULE 13D	04 Jan 2022
SC 13D/A	Open SC 13D/A document	View SEC filing for SC 13D/A	AMENDMENT NO. 1 TO SCHEDULE 13D	20 Apr 2021
SC 13D/A	Open SC 13D/A document	View SEC filing for SC 13D/A	AMENDMENT NO. 1 TO SCHEDULE 13D	04 Oct 2019
SC 13D	Open SC 13D document	View SEC filing for SC 13D	SCHEDULE 13D	05 Feb 2019

Dandan Liu files with the SEC under CIK 0001766147. 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.