Compensation award — excluded from discretionary-purchase analysis.
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Christopher Viehbacher is President and CEO at Biogen. OQRO lists 10 transactions filed with the SEC under this name, the latest on Feb 18, 2026, each linked to the official Form 4.
President and CEO
Disclosures on record
10
Companies involved
1
Compensation award — excluded from discretionary-purchase analysis.
Derivative exercise or conversion — not an open-market buy.
Derivative exercise or conversion — not an open-market buy.
Derivative exercise or conversion — not an open-market buy.
Derivative exercise or conversion — not an open-market buy.
Routine share withholding; mechanical by default.
Routine share withholding; mechanical by default.
Derivative exercise or conversion — not an open-market buy.
Derivative exercise or conversion — not an open-market buy.
Routine share withholding; mechanical by default.