SEC CIK 1341852

Kowolenko Michael

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

Current Positions

CompanyShares OwnedAs Of
BIIBview stock →21,573.862007-07-25

Position History — BIIB

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

012,87725,75438,6312006-092006-092006-092007-022007-032007-072007-072007-07

Recent Filings — BIIB

DateActivitySharesPriceOwned After
2007-07-25Option exercise (derivative)3,450—3,450
2007-07-25Option exercise (derivative)4,356—4,355
2007-07-25Option exercise (derivative)8,438—14,062
2007-07-25Option exercise (derivative)4,263—29,837
2007-07-25Option exercise3,450$42.1221,573.86
2007-07-25Option exercise4,356$37.4525,929.86
2007-07-25Option exercise8,438$43.5034,367.86
2007-07-25Open-market sale20,507$58.0018,123.86
2007-07-25Option exercise4,263$44.2438,630.86
2007-03-20Open-market sale3,756$44.4817,966.43
2007-03-14Tax withholding2,469$44.1121,722.43
2007-03-14Grant / award6,225$0.0024,191.43
2007-02-13Open-market sale8,828$49.2217,966.43
2007-02-12Grant / award (derivative)45,300—45,300
2007-02-12Grant / award17,500$0.0026,794.43
2007-02-06Disposition to issuer (derivative)4,534$0.009,066
2007-02-06Option exercise4,534$0.0013,500.43
2007-02-06Tax withholding4,206$48.949,294.43
2006-09-19Open-market sale2,513.89$42.8418,328.22
2006-09-19Open-market sale770.14$42.708,899.12
2006-09-19Open-market sale1,117.29$42.729,369.26
2006-09-19Open-market sale2,513.89$42.7510,486.55
2006-09-19Open-market sale2,513.89$42.7713,000.44
2006-09-19Open-market sale2,513.89$42.8015,514.33
2006-09-14Grant / award17,500$0.0026,399.11
2006-09-14Tax withholding5,557$43.3920,842.11
2006-02-06Grant / award (derivative)13,600—13,600
2006-02-06Grant / award (derivative)34,100—34,100

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