MarketPeel
Insider Trading Intelligence
Head of Development
Fri, Feb 6, 2026
Feb 6
sold $0.00 of BIIB
2,217 shares @ $0.00
Decreased holdings by -50.00%
46th largest trade (out of 80)
Cluster Buy
Trade made by an officer
Part of a cluster of 30 transactions by 11 insiders
10b5-1 scheduled trade
47% win rate · +5.3% median edge vs SPY (15 trades, 90-day · small sample)
Price 36% above 200-day moving average
BIIBBIOGEN INC.
Health CareBiotechnology
1D0.00%
1W+0.04%
1M+10.01%
3M
6M
1Y

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