Smoller David Adam 4
4 · SIGMA ALDRICH CORP · Filed Feb 24, 2012
Insider Transaction Report
Form 4
Smoller David Adam
President, Research Biotech
Transactions
- Tax PaymentSwap
Common Stock
2012-02-24$71.93/sh−1,390$99,983→ 9,401 total - Exercise/ConversionSwap
ISO Stock Option Right to Buy
2012-02-24−2,662→ 90 totalExercise: $37.56From: 2010-02-17Exp: 2019-02-17→ Common Stock (2,662 underlying) - Exercise/ConversionSwap
Common Stock
2012-02-24$37.56/sh+2,662$99,985→ 10,791 total