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 Mark De Rosch.

Business address: C/O Aura Biosciences, Inc., 85 Bolton Street, Cambridge, MA, 02140
Top holdings (ownership): AURA

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Mark De Rosch has filed 8 SEC EDGAR filings since 28 Oct 2021

Recent SEC filings for Mark De Rosch including 4, 3, 144.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	FORM 4	13 Feb 2026	11 Feb 2026	001-37942
3	Open 3 document	View SEC filing for 3	FORM 3	23 May 2025	01 May 2025	001-37942
144	Open 144 document	View SEC filing for 144		07 Jun 2023
144	Open 144 document	View SEC filing for 144		02 Jun 2023
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	23 Jan 2023	19 Jan 2023	001-40971
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	02 Nov 2022	31 Oct 2022	001-40971
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	29 Oct 2021	28 Oct 2021	001-40971
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	28 Oct 2021	28 Oct 2021	001-40971

Mark De Rosch files with the SEC under CIK 0001890320. 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.