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 William Earl Cooper.

Business address: C/O Everspin Technologies, Inc., 5670 W. Chandler Blvd., Suite 130, Chandler, AZ, 85226
Top holdings (ownership): MRAM

Get insider transactions for this reporting owner

William Earl Cooper has filed 3 SEC EDGAR filings since 08 Jan 2025

Recent SEC filings for William Earl Cooper including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	FORM 4	08 Jan 2026	07 Jan 2026	001-37900
4	Open 4 document	View SEC filing for 4		25 Feb 2025	24 Feb 2025	001-37900
3	Open 3 document	View SEC filing for 3		08 Jan 2025	06 Jan 2025	001-37900

William Earl Cooper files with the SEC under CIK 0002051031. 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.