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 Hyunsoo Shin.

Business address: C/O Gct Semiconductor, Inc., 2290 North 1 St Street, Suite 201, San Jose, CA, 95131
Top holdings (ownership): GCTS

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Hyunsoo Shin has filed 19 SEC EDGAR filings since 27 Mar 2024

Recent SEC filings for Hyunsoo Shin including 4, 3.

Form type	Document	Filing	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	05 Jan 2026	31 Dec 2025	001-41013
4	Open 4 document	View SEC filing for 4	28 Nov 2025	25 Nov 2025	001-41013
4	Open 4 document	View SEC filing for 4	24 Nov 2025	20 Nov 2025	001-41013
4	Open 4 document	View SEC filing for 4	02 Oct 2025	30 Sep 2025	001-41013
4	Open 4 document	View SEC filing for 4	16 Sep 2025	12 Sep 2025	001-41013
4	Open 4 document	View SEC filing for 4	08 Sep 2025	04 Sep 2025	001-41013
4	Open 4 document	View SEC filing for 4	19 Aug 2025	15 Aug 2025	001-41013
4	Open 4 document	View SEC filing for 4	02 Jul 2025	30 Jun 2025	001-41013
4	Open 4 document	View SEC filing for 4	12 Jun 2025	10 Jun 2025	001-41013
4	Open 4 document	View SEC filing for 4	06 Jun 2025	04 Jun 2025	001-41013
4	Open 4 document	View SEC filing for 4	27 May 2025	23 May 2025	001-41013
4	Open 4 document	View SEC filing for 4	21 May 2025	20 May 2025	001-41013
4	Open 4 document	View SEC filing for 4	02 Apr 2025	31 Mar 2025	001-41013
4	Open 4 document	View SEC filing for 4	02 Jan 2025	31 Dec 2024	001-41013
4	Open 4 document	View SEC filing for 4	16 Dec 2024	13 Dec 2024	001-41013
4	Open 4 document	View SEC filing for 4	21 Nov 2024	30 Sep 2024	001-41013
4	Open 4 document	View SEC filing for 4	03 Jul 2024	30 Jun 2024	001-41013
4	Open 4 document	View SEC filing for 4	27 Mar 2024	26 Mar 2024	001-41013
3	Open 3 document	View SEC filing for 3	27 Mar 2024	26 Mar 2024	001-41013

Hyunsoo Shin files with the SEC under CIK 0002007757. 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.