Smoller David Adam 4/A
4/A · SIGMA ALDRICH CORP · Filed Nov 4, 2011
Insider Transaction Report
Form 4/AAmended
Smoller David Adam
President, Research Biotech
Transactions
- Exercise/Conversion
Common Stock
2011-10-31$37.56/sh+3,970$149,113→ 13,274 total - Sale
Common Stock
2011-10-31$66.75/sh−1,175$78,431→ 8,129 total - Sale
Common Stock
2011-10-31$66.76/sh−3,970$265,038→ 9,304 total - Exercise/Conversion
NQ Stock Option Right to Buy
2011-10-31−3,970→ 3,472 totalExercise: $37.56From: 2010-02-17Exp: 2019-02-17→ Common Stock (3,970 underlying)