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 Hongyu Zhou.

Business address: 47 B, Neo Tower A, 6011 Shennan Road, Futian District,, Shenzhen, Guangdong, China, 0000
Top holdings (ownership): YYAI
Top holdings (Schedule 13D): YYAI

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Hongyu Zhou has filed 8 SEC EDGAR filings since 13 Dec 2024

Recent SEC filings for Hongyu Zhou including SCHEDULE 13D, 4, SCHEDULE 13D/A and more.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
SCHEDULE 13D	Open SCHEDULE 13D document	View SEC filing for SCHEDULE 13D		23 Jan 2026
4	Open 4 document	View SEC filing for 4	4	22 Jan 2026	21 Jan 2026	001-41423
4	Open 4 document	View SEC filing for 4	4	13 Jan 2026	11 Jan 2026	001-41423
4	Open 4 document	View SEC filing for 4	4	09 Jan 2026	07 Jan 2026	001-41423
4	Open 4 document	View SEC filing for 4	4	07 Jan 2026	05 Jan 2026	001-41423
SCHEDULE 13D/A	Open SCHEDULE 13D/A document	View SEC filing for SCHEDULE 13D/A		17 Nov 2025
SCHEDULE 13D	Open SCHEDULE 13D document	View SEC filing for SCHEDULE 13D		17 Nov 2025
3	Open 3 document	View SEC filing for 3		13 Dec 2024	21 Nov 2024	001-41423

Hongyu Zhou files with the SEC under CIK 0002047853. 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.