Summary
Updated Aug 31, 2026
Sandra Niewiem is Sr. VP Global Specialties of Orion S.A. (OEC). 2 SEC Form 4 filings on record, most recently on 1 May 2026.
Recent Transactions
4Every recent SEC Form 4 transaction Sandra Niewiem has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Sandra Niewiem go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Sector
No other insider has filed at Sandra Niewiem's companies, so these are insiders reporting open-market trades at other companies in the same sector.
- Kimberly A. Fields - $46.76M of ATI open-market activity in the last 12 months
- Wendell P. Weeks - $40.01M of GLW open-market activity in the last 12 months
- Lourenco Goncalves - $37.26M of CLF open-market activity in the last 12 months
- Bertrand Loy - $36.23M of ENTG open-market activity in the last 12 months
- Kenneth S. Courtis - $35.83M of AMR open-market activity in the last 12 months
- Nicholas T. Pinchuk - $34.51M of SNA open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Sandra Niewiem?
Sandra Niewiem is a corporate insider, tracked as Sr. VP Global Specialties of Orion S.A. (OEC). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
When did Sandra Niewiem last file a Form 4?
The most recent primary Form 4 on record is dated 1 May 2026, one of 2 filings going back to 2026.
Where can I see all of Sandra Niewiem's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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