SEC CIK 1286396

LYTTON MICHAEL

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
BIIBview stock →19,9922010-03-02

Position History — BIIB

Reported shares owned immediately after each Form 4 transaction, over time.

07,03514,06921,1042009-042010-032010-032010-03

Recent Filings — BIIB

DateActivitySharesPriceOwned After
2010-03-02Tax withholding1,112$57.3119,992
2010-03-02Tax withholding1,123$57.3118,869
2010-03-02Grant / award10,499$0.0021,104
2010-02-23Grant / award (derivative)17,123$0.0017,123
2009-04-13———10,605

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.