Live feed09:26:00·100dINSIDERFilingvia QuantisnowEVP of Hanford & Int. Waste Op Grondin Richard exercised 11,000 shares at a strike of $5.34 and covered exercise/tax liability with 4,284 shares, increasing direct ownership by 19% to 41,308 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.PESI· Perma-Fix Environmental Services Inc.IndustrialsOriginal source