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 Donald L. Althoff.

Business address: C/O Ecovyst Inc., 300 Lindenwood Drive, Malvern, PA, 19355
Top holdings (ownership): ECVT

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Donald L. Althoff has filed 3 SEC EDGAR filings since 17 May 2024

Recent SEC filings for Donald L. Althoff 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	05 Feb 2025	03 Feb 2025	001-38221
4	Open 4 document	View SEC filing for 4	FORM 4	22 May 2024	20 May 2024	001-38221
3	Open 3 document	View SEC filing for 3	FORM 3	17 May 2024	08 May 2024	001-38221

Donald L. Althoff files with the SEC under CIK 0002023079. 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.