pre_text: five-year performance comparison 2013 the following graph provides an indicator of cumulative total shareholder returns for the corporation as compared to the peer group index ( described above ) , the dj trans , and the s&p 500 . the graph assumes that $ 100 was invested in the common stock of union pacific corporation and each index on december 31 , 2008 and that all dividends were reinvested . the information below is historical in nature and is not necessarily indicative of future performance . purchases of equity securities 2013 during 2013 , we repurchased 14996957 shares of our common stock at an average price of $ 152.14 . the following table presents common stock repurchases during each month for the fourth quarter of 2013 : period total number of shares purchased [a] average price paid per share total number of shares purchased as part of a publicly announced plan or program [b] maximum number of shares that may yet be purchased under the plan or program [b] .
post_text: [a] total number of shares purchased during the quarter includes approximately 5264 shares delivered or attested to upc by employees to pay stock option exercise prices , satisfy excess tax withholding obligations for stock option exercises or vesting of retention units , and pay withholding obligations for vesting of retention shares . [b] on april 1 , 2011 , our board of directors authorized the repurchase of up to 40 million shares of our common stock by march 31 , 2014 . these repurchases may be made on the open market or through other transactions . our management has sole discretion with respect to determining the timing and amount of these transactions . on november 21 , 2013 , the board of directors approved the early renewal of the share repurchase program , authorizing the repurchase of 60 million common shares by december 31 , 2017 . the new authorization is effective january 1 , 2014 , and replaces the previous authorization , which expired on december 31 , 2013 , three months earlier than its original expiration date. .
table: <i>Period</i> <i>Total Number ofSharesPurchased [a]</i> <i>AveragePrice PaidPer Share</i> <i>Total Number of SharesPurchased as Part ofaPublicly Announced Planor Program [b]</i> <i>Maximum Number ofShares That May YetBe Purchased Under the Planor Program [b]</i>
table: Oct. 1 through Oct. 31 1,405,535 153.18 1,405,535 4,020,650
table: Nov. 1 through Nov. 30 1,027,840 158.66 1,025,000 2,995,650
table: Dec. 1 through Dec. 31 2,500,944 163.14 2,498,520 497,130
table: Total 4,934,319 $159.37 4,929,055 N/A
question: Analyse this data from a financial earnings document. for the quarter ended december 31 , 2013 what was the percent of the total number of shares purchased in november