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 Sandra Niewiem.

Business address: C/O Orion Engineered Carbons S.A., 4501 Magnolia Cove Drive Suite 106, Houston, TX, 77345
Top holdings (ownership): OEC

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Sandra Niewiem has filed 14 SEC EDGAR filings since 09 Jan 2020

Recent SEC filings for Sandra Niewiem including 4, 144/A, 144 and more.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	07 May 2025	05 May 2025	001-36563
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	24 Feb 2025	20 Feb 2025	001-36563
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	09 Jul 2024	05 Jul 2024	001-36563
144/A	Open 144/A document	View SEC filing for 144/A		07 Jun 2024
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	06 Jun 2024	04 Jun 2024	001-36563
144	Open 144 document	View SEC filing for 144		04 Jun 2024
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	26 Mar 2024	22 Mar 2024	001-36563
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	08 Jun 2023	06 Jun 2023	001-36563
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	05 Apr 2023	03 Apr 2023	001-36563
4	Open 4 document	View SEC filing for 4	OWNERSHIP DOCUMENT	31 Oct 2022	27 Oct 2022	001-36563
4	Open 4 document	View SEC filing for 4	FORM 4	08 Oct 2021	06 Oct 2021	001-36563
4	Open 4 document	View SEC filing for 4	FORM 4	14 Oct 2020	30 Sep 2020	001-36563
4	Open 4 document	View SEC filing for 4	FORM 4	16 Mar 2020	13 Mar 2020	001-36563
3	Open 3 document	View SEC filing for 3	FORM 3	09 Jan 2020	01 Jan 2020	001-36563

Sandra Niewiem files with the SEC under CIK 0001797804. 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.