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 Gerhard Koenig.

Business address: Vigil Neuroscience, Inc., 300 Technology Square, Cambridge, MA, 02139
Top holdings (ownership): VIGL

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Gerhard Koenig has filed 8 SEC EDGAR filings since 06 Jan 2022

Recent SEC filings for Gerhard Koenig 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	05 Aug 2025	05 Aug 2025	001-41200
4	Open 4 document	View SEC filing for 4	4	23 May 2025	22 May 2025	001-41200
4	Open 4 document	View SEC filing for 4	4	07 Jun 2024	05 Jun 2024	001-41200
4	Open 4 document	View SEC filing for 4	4	07 May 2024	03 May 2024	001-41200
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	09 Jun 2023	07 Jun 2023	001-41200
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	13 Jun 2022	09 Jun 2022	001-41200
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	03 Mar 2022	01 Mar 2022	001-41200
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	06 Jan 2022	06 Jan 2022	001-41200

Gerhard Koenig files with the SEC under CIK 0001886325. 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.