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 Kathryn Guarini.

Business address: 777 Old Saw Mill River Road, C/O Regeneron Pharmaceuticals, Inc., Tarrytown, NY, 10591
Top holdings (ownership): REGN

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Kathryn Guarini has filed 5 SEC EDGAR filings since 12 Sep 2023

Recent SEC filings for Kathryn Guarini 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	06 Jan 2026	02 Jan 2026	000-19034
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	06 Jan 2025	02 Jan 2025	000-19034
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	04 Jan 2024	02 Jan 2024	000-19034
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	12 Sep 2023	08 Sep 2023	000-19034
3	Open 3 document	View SEC filing for 3	OWNERSHIP DOCUMENT	12 Sep 2023	08 Sep 2023	000-19034

Kathryn Guarini files with the SEC under CIK 0001992352. 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.