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 Richard B. Cassidy II.

Business address: C/O Sandisk Corporation, 951 Sandisk Drive, Milpitas, CA, 95035
Top holdings (ownership): SNDK and MCHP

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Richard B. Cassidy II has filed 5 SEC EDGAR filings since 03 Mar 2025

Recent SEC filings for Richard B. Cassidy II including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	19 Nov 2025	18 Nov 2025	001-42420
4	Open 4 document	View SEC filing for 4	FORM 4	20 Aug 2025	18 Aug 2025	001-42569
3	Open 3 document	View SEC filing for 3	FORM 3	12 May 2025	02 May 2025	001-42569
4	Open 4 document	View SEC filing for 4	PRIMARY DOCUMENT	04 Mar 2025	03 Mar 2025	001-42420
3	Open 3 document	View SEC filing for 3	PRIMARY DOCUMENT	03 Mar 2025	21 Feb 2025	001-42420

Richard B. Cassidy II files with the SEC under CIK 0002057171. 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.