SEC CIK 1226287

KELLOGG PETER N

Reported ownership across 3 companies, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
MRKview stock →149,553.92014-02-24
BIIBview stock →18,966.112007-03-20
ALNYview stock →1,4462026-05-20

Position History — BIIB

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

017,36234,72552,0872006-092006-092006-092006-092007-022007-022007-032007-03

Recent Filings — BIIB

DateActivitySharesPriceOwned After
2007-03-20Open-market sale7,252$44.4818,966.11
2007-03-14Grant / award12,450$0.0031,416.11
2007-03-14Tax withholding5,198$44.1126,218.11
2007-02-13Open-market sale10,202$49.2218,966.11
2007-02-12Grant / award (derivative)29,800—29,800
2007-02-12Grant / award11,500$0.0029,168.11
2007-02-06Disposition to issuer (derivative)8,534$0.0017,066
2007-02-06Tax withholding7,953$48.9417,668.11
2007-02-06Option exercise8,534$0.0025,621.11
2006-09-19Open-market sale4,637.75$42.8434,482.36
2006-09-19Open-market sale4,637.75$42.8029,844.61
2006-09-19Open-market sale4,637.75$42.7725,206.86
2006-09-19Open-market sale4,637.75$42.7520,569.11
2006-09-19Open-market sale1,420.8$42.7017,087.09
2006-09-19Open-market sale2,061.22$42.7218,507.89
2006-09-14Grant / award35,000$0.0052,087.11
2006-09-14Tax withholding12,967$43.3939,120.11
2006-02-06Grant / award (derivative)25,600—25,600
2006-02-06Grant / award (derivative)64,100—64,100

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