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← US public companies

Spengler William

SEC-identified person · CIK 1297399 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
Endo International plc ENDP Director filed 2014–2016
Endo Pharmaceuticals Holdings INC ENDP Director filed 2008–2014
Niagen Bioscience, Inc. NAGE Director · President filed 2010–2011
Smith & Wesson Holding Corp SWHC Executive Vice President & CFO filed 2008–2010
MGI Pharma INC MOGN Sr. VP, CFO filed 2006–2008

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.