part ii item 5 2013 market for registrant 2019s common equity , related stockholder matters and issuer purchases of equity securities ( a ) ( 1 ) our common stock is listed on the new york stock exchange and is traded under the symbol 201cpnc . 201d at the close of business on february 15 , 2013 , there were 75100 common shareholders of record . holders of pnc common stock are entitled to receive dividends when declared by the board of directors out of funds legally available for this purpose . our board of directors may not pay or set apart dividends on the common stock until dividends for all past dividend periods on any series of outstanding preferred stock have been paid or declared and set apart for payment . the board presently intends to continue the policy of paying quarterly cash dividends . the amount of any future dividends will depend on economic and market conditions , our financial condition and operating results , and other factors , including contractual restrictions and applicable government regulations and policies ( such as those relating to the ability of bank and non- bank subsidiaries to pay dividends to the parent company and regulatory capital limitations ) . the amount of our dividend is also currently subject to the results of the federal reserve 2019s 2013 comprehensive capital analysis and review ( ccar ) as part of its supervisory assessment of capital adequacy described under 201csupervision and regulation 201d in item 1 of this report . the federal reserve has the power to prohibit us from paying dividends without its approval . for further information concerning dividend restrictions and restrictions on loans , dividends or advances from bank subsidiaries to the parent company , see 201csupervision and regulation 201d in item 1 of this report , 201cfunding and capital sources 201d in the consolidated balance sheet review section , 201cliquidity risk management 201d in the risk management section , and 201ctrust preferred securities 201d in the off-balance sheet arrangements and variable interest entities section of item 7 of this report , and note 14 capital securities of subsidiary trusts and perpetual trust securities and note 22 regulatory matters in the notes to consolidated financial statements in item 8 of this report , which we include here by reference . we include here by reference additional information relating to pnc common stock under the caption 201ccommon stock prices/dividends declared 201d in the statistical information ( unaudited ) section of item 8 of this report . we include here by reference the information regarding our compensation plans under which pnc equity securities are authorized for issuance as of december 31 , 2012 in the table ( with introductory paragraph and notes ) that appears in item 12 of this report . our registrar , stock transfer agent , and dividend disbursing agent is : computershare trust company , n.a . 250 royall street canton , ma 02021 800-982-7652 we include here by reference the information that appears under the caption 201ccommon stock performance graph 201d at the end of this item 5 . ( a ) ( 2 ) none . ( b ) not applicable . ( c ) details of our repurchases of pnc common stock during the fourth quarter of 2012 are included in the following table : in thousands , except per share data 2012 period ( a ) total shares purchased ( b ) average paid per total shares purchased as part of publicly announced programs ( c ) maximum number of shares that may yet be purchased under the programs ( c ) .
what is the mathematical range for the stock prices in oct , nov and dec?
( a ) in addition to the repurchases of pnc common stock during the fourth quarter of 2012 included in the table above , pnc redeemed all 5001 shares of its series m preferred stock on december 10 , 2012 as further described below . as part of the national city transaction , we established the pnc non-cumulative perpetual preferred stock , series m ( the 201cseries m preferred stock 201d ) , which mirrored in all material respects the former national city non-cumulative perpetual preferred stock , series e . on december 10 , 2012 , pnc issued $ 500.1 million aggregate liquidation amount ( 5001 shares ) of the series m preferred stock to the national city preferred capital trust i ( the 201ctrust 201d ) as required pursuant to the settlement of a stock purchase contract agreement between the trust and pnc dated as of january 30 , 2008 . immediately upon such issuance , pnc redeemed all 5001 shares of the series m preferred stock from the trust on december 10 , 2012 at a redemption price equal to $ 100000 per share . ( b ) includes pnc common stock purchased under the program referred to in note ( c ) to this table and pnc common stock purchased in connection with our various employee benefit plans . note 15 employee benefit plans and note 16 stock based compensation plans in the notes to consolidated financial statements in item 8 of this report include additional information regarding our employee benefit plans that use pnc common stock . ( c ) our current stock repurchase program allows us to purchase up to 25 million shares on the open market or in privately negotiated transactions . this program was authorized on october 4 , 2007 and will remain in effect until fully utilized or until modified , superseded or terminated . the extent and timing of share repurchases under this program will depend on a number of factors including , among others , market and general economic conditions , economic capital and regulatory capital considerations , alternative uses of capital , the potential impact on our credit ratings , and contractual and regulatory limitations , including the impact of the federal reserve 2019s supervisory assessment of capital adequacy program . the pnc financial services group , inc . 2013 form 10-k 27 .