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← US public companies

Carter David Warren

SEC-identified person · CIK 1200931 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
Thermogenesis Holdings, Inc. kool Director filed 2010–2012
Caliper Life Sciences INC CALP Director filed 2006–2011
Immunogen, Inc. IMGN Director filed 2006–2010
Cell Genesys INC cege Director filed 2006–2009
Xenogen Corp XGEN Director · Chairman and CEO filed 2006–2006

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.