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 Jason Baum.

Business address: Leap Therapeutics, Inc., 47 Thorndike Street, Suite B1, Cambridge, MA, 02141
Top holdings (ownership): LPTX

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Jason Baum has filed 6 SEC EDGAR filings since 03 Apr 2023

Recent SEC filings for Jason Baum including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	01 Jul 2025	30 Jun 2025	001-37990
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	01 Apr 2025	28 Mar 2025	001-37990
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	04 Oct 2024	02 Oct 2024	001-37990
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	31 Jan 2024	29 Jan 2024	001-37990
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	25 Aug 2023	23 Aug 2023	001-37990
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	03 Apr 2023	01 Apr 2023	001-37990

Jason Baum files with the SEC under CIK 0001970907. 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.