MarketPeel
Insider Trading Intelligence
Head of Development
Mon, Feb 2, 2026
Feb 2
sold $134.12k of BIIB
748 shares @ $179.30
Decreased holdings by -10.70%
Net across this filing: +8.60% (+499 shares)
11th largest trade (out of 80)
Tax Sell-to-CoverCluster Buy
Trade made by an officer
Part of a cluster of 2 transactions by 2 insiders
Automatic sale to cover taxes on a vest — not a discretionary trade
Net holdings across this filing: +8.6% (+499 shares)
Price 23% above 200-day moving average
BIIBBIOGEN INC.
Health CareBiotechnology
1D0.00%
1W-0.39%
1M+3.28%
3M+8.29%
6M
1Y

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