GRUENBERG DON 4
4 · MFRI INC · Filed Jun 21, 2007
Insider Transaction Report
Form 4
MFRI INCMFRI
GRUENBERG DON
Vice President
Transactions
- Award
Stock option - right to buy
2007-06-19+5,000→ 22,350 totalExercise: $28.99From: 2008-06-19Exp: 2017-05-31→ Common stock (5,000 underlying)