MarketPeel
Insider Trading Intelligence
Head of Development
Fri, Jan 30, 2026
Jan 30
sold $0.00 of BIIB
1,829 shares @ $0.00
Decreased holdings by -100.00%
Net across this filing: +8.60% (+499 shares)
48th largest trade (out of 80)
Option ExerciseCluster Buy
Trade made by an officer
Part of a cluster of 2 transactions by 2 insiders
Sale tied to a same-time option exercise
Net holdings across this filing: +8.6% (+499 shares)
Price 23% above 200-day moving average
BIIBBIOGEN INC.
Health CareBiotechnology
1D0.00%
1W+5.18%
1M+9.06%
3M+14.35%
6M
1Y

Recent insider activity at BIIB

FREE · DAILY · 6 AM ET

One short email. Insider buys, congressional trades, and plain-English analysis.

Feedback