Alan Armstrong purchased BIIB (Biogen Inc) on Mar 27, 2026 with an estimated value between $1,000 and $15,000. This trade was filed under joint. The stock is currently up 11.7% from the trade price.

Alan Armstrong

Republican· senate

Oklahoma

BIIB

Biogen Inc

Health Care

Trade Details

Transaction

Purchase

Trade Date

Mar 27, 2026(4 months ago)

Disclosed

Jul 22, 2026117d gap

Owner

joint

Estimated Value

$1,000 – $15,000

Trade Price

$183.84

Price Today

$205.42

Return (if held)

+11.7%

Alan Armstrong bought $BIIB at $183.84 on Mar 27, 2026

Price Change Since Trade

+11.7%