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← US public companies

Clarke John U

SEC-identified person · CIK 1225312 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
Thermon Group Holdings, Inc. THR Director filed 2019–2026
Ranger Oil Corp pva Director filed 2009–2015
Glori Energy Inc. INXB Director filed 2014–2015
Tesco Corp TESOF Director filed 2011–2013
Natco Group INC NTG Director · Director, Chairman & CEO filed 2006–2009
Houston Exploration CO THX Director filed 2006–2007
Harvest Natural Resources, INC. HNR Director filed 2006–2007

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.