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 Seunghoon Lee.

Business address: C/O Magnachip Semiconductor, Ltd., 108, Yeoui Daero, Yeongdeungpo Gu, Seoul, 07335
Top holdings (ownership): MX

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Seunghoon Lee has filed 7 SEC EDGAR filings since 13 May 2024

Recent SEC filings for Seunghoon Lee including 4, 4/A, 3/A and more.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	4	02 Jan 2026	15 Aug 2025	001-34791
4	Open 4 document	View SEC filing for 4	4	04 Mar 2025	01 Mar 2025	001-34791
4	Open 4 document	View SEC filing for 4	4	03 Jan 2025	31 Dec 2024	001-34791
4/A	Open 4/A document	View SEC filing for 4/A	4/A	11 Jul 2024	01 Jun 2024	001-34791
3/A	Open 3/A document	View SEC filing for 3/A	3/A	11 Jul 2024	01 May 2024	001-34791
4	Open 4 document	View SEC filing for 4	4	13 Jun 2024	01 Jun 2024	001-34791
3	Open 3 document	View SEC filing for 3	3	13 May 2024	01 May 2024	001-34791

Seunghoon Lee files with the SEC under CIK 0002023210. 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.