Live feed11:14:13·868dINSIDERFilingvia QuantisnowMiller Gina Byrne exercised 1,385 shares at a strike of $216.22 and returned $667,570 worth of shares to the company (1,385 units at $482.00) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NWLI· National Western Life Group Inc.FinanceOriginal source