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← US public companies

Winkler Joseph C

SEC-identified person · CIK 1248334 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
Commercial Metals Co CMC Director filed 2012–2021
Hi-Crush Partners LP HCR Director filed 2012–2019
Montage Resources Corp MR Director filed 2014–2018
Tetra Technologies INC TTI Director filed 2015–2018
Dresser-Rand Group Inc. DRC Director filed 2007–2015
Complete Production Services, Inc. CPX Director · President and CEO filed 2006–2012

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.