MCCOLLUM LEE 4
4 · SIGMA ALDRICH CORP · Filed Nov 12, 2010
Insider Transaction Report
Form 4
MCCOLLUM LEE
Director
Transactions
- Exercise/Conversion
Common Stock
2010-11-10$19.36/sh+20,000$387,300→ 28,000 total - Exercise/Conversion
NQ Stock Option Right To Buy
2010-11-10−20,000→ 0 totalExercise: $19.36From: 2002-02-13Exp: 2011-11-13→ Common Stock (20,000 underlying) - Sale
Common Stock
2010-11-10$64.90/sh−19,000$1,233,022→ 9,000 total