Live feed13:26:34·701dINSIDERFilingvia QuantisnowSr VP - CFO Pribyl Brian Mark exercised 4,386 shares at a strike of $197.52 and returned $1,967,000 worth of shares to the company (3,934 units at $500.00) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NWLI· National Western Life Group Inc.FinanceOriginal source