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 Bart Jan Cornelissen.

Business address: C/O Xencor, 465 N. Halstead St. Suite 200, Pasadena, CA, 91107
Top holdings (ownership): XNCR

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Bart Jan Cornelissen has filed 5 SEC EDGAR filings since 11 Apr 2024

Recent SEC filings for Bart Jan Cornelissen including 4, 144, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	14 Apr 2025	10 Apr 2025	001-36182
144	Open 144 document	View SEC filing for 144		10 Apr 2025
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	05 Mar 2025	04 Mar 2025	001-36182
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	11 Apr 2024	09 Apr 2024	001-36182
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	11 Apr 2024	09 Apr 2024	001-36182

Bart Jan Cornelissen files with the SEC under CIK 0002018934. 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.