Live feed15:04:49·923dINSIDERFilingvia QuantisnowOwen Gregory J exercised 1,668 shares at a strike of $218.12 and returned $751,202 worth of shares to the company (1,560 units at $481.54) (SEC Form 4)ByQuantisnow·Wall Street's wire, on your screen.NWLI· National Western Life Group Inc.FinanceOriginal source