Live feed16:30:21·406dINSIDERFilingvia QuantisnowChief Operating Officer Williamson Jeremy bought $1,608 worth of shares (400 units at $4.02), increasing direct ownership by 0.29% to 139,099 units (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.ARQ· Arq Inc.IndustrialsOriginal source