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← US public companies

Twitchell Karen A.

SEC-identified person · CIK 1478559 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
Calumet, Inc. /DE CLMT Director filed 2024–2026
Calumet Specialty Products Partners, L.P. CLMT Director filed 2022–2023
Trecora Resources TREC Director filed 2015–2022
Polymer Holdings LLC KRA Director filed 2009–2022
KMG Chemicals INC KMGB Director filed 2010–2018

All roles under one Commission-assigned identifier - the same person by the SEC's own record, not by name matching. From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.