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 Katherine Brennan.

Business address: 1166 Avenue Of The Americas, 1166 Avenue Of The Americas, New York, NY, 10036
Top holdings (ownership): MRSH

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Katherine Brennan has filed 8 SEC EDGAR filings since 21 Mar 2022

Recent SEC filings for Katherine Brennan including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	26 Feb 2026	24 Feb 2026	001-05998
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	04 Mar 2025	28 Feb 2025	001-05998
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	20 Feb 2025	18 Feb 2025	001-05998
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	01 Mar 2024	28 Feb 2024	001-05998
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	23 Feb 2024	22 Feb 2024	001-05998
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	02 Mar 2023	28 Feb 2023	001-05998
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	27 Feb 2023	23 Feb 2023	001-05998
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	21 Mar 2022	11 Mar 2022	001-05998

Katherine Brennan files with the SEC under CIK 0001917984. 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.