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 Paul Y. Song.

Business address: Nkgen Biotech, Inc., 3001 Daimler Street, Santa Ana, CA, 92705
Top holdings (ownership): NKGN
Top holdings (Schedule 13D): NKGN

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Paul Y. Song has filed 9 SEC EDGAR filings since 10 Oct 2023

Recent SEC filings for Paul Y. Song including SCHEDULE 13D, 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
SCHEDULE 13D	Open SCHEDULE 13D document	View SEC filing for SCHEDULE 13D		12 May 2025
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	07 May 2025	05 May 2025	001-40427
4	Open 4 document	View SEC filing for 4		10 Dec 2024	06 Dec 2024	001-40427
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	14 Feb 2024	12 Feb 2024	001-40427
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	07 Dec 2023	06 Dec 2023	001-40427
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	05 Dec 2023	04 Dec 2023	001-40427
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	28 Nov 2023	27 Nov 2023	001-40427
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	22 Nov 2023	21 Nov 2023	001-40427
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	10 Oct 2023	28 Sep 2023	001-40427

Paul Y. Song files with the SEC under CIK 0001991119. 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.