Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities  ADTRAN’s common stock is traded on the NASDAQ Global Select Market under the symbol ADTN. As of February 6, 2014,  ADTRAN had 209 stockholders of record and approximately 5,400 beneficial owners of shares held in street name. The following table shows the high and low closing prices per share for our common stock as reported by NASDAQ for the periods indicated. Common Stock Prices 2013 First Quarter Second Quarter Third Quarter Fourth Quarter High $23.61 $24.62 $27.46 $27.10 Low $19.07 $18.55 $23.47 $23.27 2012 First Quarter Second Quarter Third Quarter Fourth Quarter High $38.42 $31.07 $29.55 $20.14 Low $29.01 $28.02 $17.28 $15.65 The following table shows the shareholder dividends paid in each quarter of 2013 and 2012. The Board of Directors presently anticipates that it will declare a regular quarterly dividend so long as the present tax treatment of dividends exists and adequate levels of liquidity are maintained. Dividends per Common Share Stock Repurchases The following table sets forth repurchases of our common stock for the months indicated.  (1) Since 1997, our Board of Directors has approved multiple share repurchase programs that have authorized open market repurchase  transactions of up to 35 million shares of our common stock. On May 1, 2013, our Board of Directors authorized the repurchase  of an additional 5.0 million shares of our common stock (bringing the total shares authorized for repurchase to 40 million), which  commenced upon completion of the repurchase plan announced on October 11, 2011. This new authorization is being implemented  through open market or private purchases from time to time as conditions warrant. 2013 First Quarter Second Quarter Third Quarter Fourth Quarter $0.09 $0.09 $0.09 $0.09 2012 First Quarter Second Quarter Third Quarter Fourth Quarter $0.09 $0.09 $0.09 $0.09 Period Total Number of Shares  Purchased Average Price Paid Per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (1) Maximum Number of Shares That May Yet  Be Purchased Under  the Plans or Programs October 1, 2013 – October 31, 2013 425,620 $23.85 425,620 3,886,848 November 1, 2013 – November 30, 2013 424,717 $23.47 424,717 3,462,131 December 1, 2013 – December 31, 2013 — — — 3,462,131 Total 850,337 850,337 14 ADTRAN 2013 Annual Report