Live feed16:46:24·1564dINSIDERFilingvia QuantisnowSEC Form 4: Silberman Michael W converted options into 4,184 shares and covered exercise/tax liability with 1,172 shares, increasing direct ownership by 25% to 14,929 unitsByQuantisnow·Wall Street's wire, on your screen.TREC· Trecora ResourcesOriginal source
