Stocks · Health care · Biological Products, (No Diagnostic Substances)

Biogen

BIIB Clue Score50
United States Fiscal year ends December CIK 0000875045 Results filed 28 Oct 2026

What the insiders did Mostly scheduled

Nothing of that kind in this period.

What was left out

Form 4 filings counted 37
Amendments (4/A) skipped 0
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 4
Sales straight out of an exercise 0
Sales at will 0
Transactions with no price 0
Shares from compensation/vesting 138,992
History held since 3 Oct 2006