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Viehbacher Christopher

Insider transactions at 1 company

This page shows all SEC Form 4 filings attributed to Viehbacher Christopher. Form 4 disclosures are required whenever a corporate insider — director, officer, or 10%+ shareholder — buys, sells, or receives company stock. Each row represents a separate reported transaction. All data is sourced directly from the SEC EDGAR public database.

BIIB
Company Title Type Shares Price Value Date
BIIB President and CEO Tax Withholding 3,404 $177.78 $605,163 Dec 1, 2025
BIIB President and CEO Option Exercise 9,008 Feb 7, 2025