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 Jeffrey Cerio.

Business address: C/O Korro Bio, Inc., One Kendall Square. Building 600 700, Cambridge, MA, 02139
Top holdings (ownership): KRRO

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Jeffrey Cerio has filed 4 SEC EDGAR filings since 03 Sep 2024

Recent SEC filings for Jeffrey Cerio including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	4	16 Dec 2025	15 Dec 2025	001-39062
4	Open 4 document	View SEC filing for 4	4	05 Feb 2025	03 Feb 2025	001-39062
4	Open 4 document	View SEC filing for 4	4	03 Sep 2024	03 Sep 2024	001-39062
3	Open 3 document	View SEC filing for 3	3	03 Sep 2024	30 Aug 2024	001-39062

Jeffrey Cerio files with the SEC under CIK 0002033618. 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.