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 A. Tatum.

Business address: 300 Renaissance Center, M/C: 482 C24 A68, Detroit, MI, 48265
Top holdings (ownership): GM

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Mark A. Tatum has filed 6 SEC EDGAR filings since 31 Mar 2021

Recent SEC filings for Mark A. Tatum including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	FORM 4	05 Jan 2026	31 Dec 2025	001-34960
4	Open 4 document	View SEC filing for 4	FORM 4	03 Jan 2025	31 Dec 2024	001-34960
4	Open 4 document	View SEC filing for 4	FORM 4	03 Jan 2024	31 Dec 2023	001-34960
4	Open 4 document	View SEC filing for 4	FORM 4	04 Jan 2023	31 Dec 2022	001-34960
4	Open 4 document	View SEC filing for 4	FORM 4	04 Jan 2022	31 Dec 2021	001-34960
3	Open 3 document	View SEC filing for 3	FORM 3	31 Mar 2021	25 Mar 2021	001-34960

Mark A. Tatum files with the SEC under CIK 0001853185. 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.