BIIB Insider Trading 2026
Biogen Inc - Executive & director stock transactions
Net Sentiment
Neutral
Insider Buys
0
Insider Sells
0
Stock Price
$0.00
No recent insider trading activity for BIIB.
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View Full AnalysisFrequently Asked Questions
Are insiders buying or selling BIIB?
Recent insider trading data for BIIB is being updated.
What is BIIB insider trading activity?
Check back for the latest BIIB insider trading activity.
Why do insiders buy BIIB stock?
Insiders (executives, directors, major shareholders) may buy BIIB stock because they believe it's undervalued or expect positive developments. Insider buying is often seen as a bullish signal since they have deep knowledge of the company.
Why do insiders sell BIIB stock?
Insiders may sell for various reasons including diversification, personal financial needs, or as part of planned 10b5-1 trading plans. Insider selling doesn't always indicate bearish sentiment - context matters.