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

Latest Filings

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