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 Mark S. Black.

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Mark S. Black has filed 3 SEC EDGAR filings since 01 Jun 2023

Recent SEC filings for Mark S. Black 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	21 May 2024	20 May 2024	001-31822
4	Open 4 document	View SEC filing for 4	FORM 4	01 Jun 2023	29 May 2023	001-31822
3	Open 3 document	View SEC filing for 3	FORM 3	01 Jun 2023	18 May 2023	001-31822

Mark S. Black files with the SEC under CIK 0001979633. 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.