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 Mary Katherine Clark.

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Mary Katherine Clark has filed 4 SEC EDGAR filings since 08 Mar 2024

Recent SEC filings for Mary Katherine Clark 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	11 Dec 2025	09 Dec 2025	001-02402
4	Open 4 document	View SEC filing for 4		12 Dec 2024	10 Dec 2024	001-02402
4	Open 4 document	View SEC filing for 4		13 Jun 2024	11 Jun 2024	001-02402
3	Open 3 document	View SEC filing for 3		08 Mar 2024	04 Mar 2024	001-02402

Mary Katherine Clark files with the SEC under CIK 0002014902. 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.