RICHTER KIRK A 4
4 · SIGMA ALDRICH CORP · Filed Nov 14, 2011
Insider Transaction Report
Form 4
RICHTER KIRK A
Treasurer
Transactions
- Gift
Common Stock, $1 Par Value
2011-11-04$63.58/sh−800$50,864→ 76,857 total
4 · SIGMA ALDRICH CORP · Filed Nov 14, 2011
Common Stock, $1 Par Value