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Biggar Stephen R

SEC-identified person · CIK 1340380 Identifier-verified

Public-company roles (from insider filings)

CompanyCapacity as filedFilings
Tscan Therapeutics, Inc. TCRX Director filed 2021–2021
Kiniksa Pharmaceuticals, Ltd. KNSA Director filed 2018–2018
Trimeris INC TRMS Director filed 2011–2015
Acadia Pharmaceuticals INC ACAD Director filed 2013–2013
Biocryst Pharmaceuticals INC BCRX Director filed 2006–2011

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.