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Insider Trading Tracker

BIIB

BIOGEN INC.
Buys$152K2 txns
Sells$3.2M10 txns
Net-$3.0M

Insiders

InsiderRoleHoldingsBuy $Sell $Net $
Priya SinghalHead of Development8,043$1,320,529-$1,320,529
Stephen A SherwinDirector15,193$1,314,142-$1,314,142
Rachid IzzarHead of Global Product Strat.11,011$300,105-$300,105
Lloyd MinorDirector2,689$239,750-$239,750
Caroline DorsaDirector31,002$151,559$151,559
Nicole MurphyHead of Pharm Ops and Tech19,611$585$585

Transaction History

DateInsiderSideSharesPriceValueHoldings After% of Position
2026-08-04Lloyd MinorSELL593$200.96$119,1692,68918%
2026-08-03Lloyd MinorSELL593$203.34$120,5813,28215%
2026-02-12Nicole MurphyBUY3$195.03$58519,6110%
2026-02-09Priya SinghalSELL2,660$199.83$531,5488,04325%
2026-02-02Priya SinghalSELL748$179.30$134,1166,27111%
2025-09-02Priya SinghalSELL517$133.55$69,0455,7728%
2025-07-08Rachid IzzarSELL2,223$135.00$300,1056,33026%
2025-05-19Priya SinghalSELL3,806$126.25$480,5085,42741%
2025-05-02Caroline DorsaBUY1,235$122.72$151,55927,8425%
2025-03-07Stephen A SherwinSELL8,760$150.02$1,314,14211,31844%
2024-12-09Priya SinghalSELL110$157.21$17,2935,4262%
2024-09-03Priya SinghalSELL431$204.22$88,0195,3168%