InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (1 ops.)
Insider track record
ExecutiveDisclosed buys
0
Disclosed sells
1
T+90 hit rate
33%
T+90 mean return
+5.8%
Across 3 buy signals with a settled T+90 return. Return basis: close on the day after publication.
Signal history
Explore the full record of transactions filed by Niewiem Sandra, Directeur des Spécialités Globales. Director active across 2 companies, notably Orion Engineered Carbons S.A.. Aggregated, 10 filings have been logged. Breakdown: 0 buy · 1 sell. Total volume traded: €38k. History available since 6 October 2021. The latest transaction was disclosed on 29 April 2026 (Attribution). Regulator: SEC (Form 4). All data is free.
Declarations10 total
24,087 shares0Common Shares, no par valueSEC:0000950142-26-001248:0
7,098 shares0Common Shares, no par valueSEC:0000950142-25-001287:0
2,893 shares@ US$15.1534.3% of flowCommon Shares, no par valueSEC:0000950142-25-000527:0
5,060 shares0Common Shares, no par valueSEC:0000950142-24-001873:0
1,704 shares@ US$24.4131.2% of flowCommon Shares, no par valueSEC:0000950142-24-001585:0
1,992 shares@ US$23.0834.5% of flowCommon Shares, no par valueSEC:0000950142-24-000805:0
4,651 shares0Common Shares, no par valueSEC:0000950142-23-001641:0
984 shares@ US$25.95100.0% of flowCommon Shares, no par valueSEC:0000950142-23-001011:0
2,855 shares0Common Shares, no par valueSEC:0000950142-22-003010:0
2,646 shares0Common Shares, no par valueSEC:0001609804-21-000078:0
10 of 10 declarations
About Niewiem Sandra
Sandra Niewiem is the Senior Vice President of Global Specialties at Orion Engineered Carbons S.A. In this role, she oversees operations and strategies related to the company's global specialties. With a strong background in the materials sector, Sandra is responsible for optimizing performance and growth in specialized segments. Her leadership is essential for achieving Orion's objectives.
