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 Sean Chihhsiang Chen.

Business address: C/O Ambiq Micro, Inc., 6500 River Place Blvd Building 7 Ste 200, Austin, TX, 78730

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Sean Chihhsiang Chen has filed 2 SEC EDGAR filings since 29 Jul 2025

Recent SEC filings for Sean Chihhsiang Chen including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4		06 Oct 2025	02 Oct 2025	001-42766
3	Open 3 document	View SEC filing for 3		29 Jul 2025	29 Jul 2025	001-42766

Sean Chihhsiang Chen files with the SEC under CIK 0002078559. 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.