Live feed15:29:19·814dINSIDERFilingvia QuantisnowAnderson Natalie U exercised 1,574 shares at a strike of $252.96 and returned $764,964 worth of shares to the company (1,574 units at $486.00) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NWLI· National Western Life Group Inc.FinanceOriginal source