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← US public companies

Fisher Ronald D

SEC-identified person · CIK 1065266 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
ARM Holdings PLC /UK ARM Director filed 2026–2026
T-Mobile US, Inc. TMUS Director filed 2020–2020
Sprint Nextel Corp S Director filed 2013–2020
GSI Commerce INC GSIC Director filed 2009–2011

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.