the pnc financial services group , inc . 2013 form 10-k 29 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 , 2019 , there were 53986 common shareholders of record . holders of pnc common stock are entitled to receive dividends when declared by our 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 and certain outstanding capital securities issued by the parent company have been paid or declared and set apart for payment . the board of directors 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 supervisory assessment of capital adequacy and capital planning processes undertaken by the federal reserve and our primary bank regulators as part of the comprehensive capital analysis and review ( ccar ) process as described in the supervision and regulation section 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 other factors that could limit our ability to pay dividends , as well as restrictions on loans , dividends or advances from bank subsidiaries to the parent company , see the supervision and regulation section in item 1 , item 1a risk factors , the liquidity and capital management portion of the risk management section in item 7 , and note 10 borrowed funds , note 15 equity and note 18 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 the information regarding our compensation plans under which pnc equity securities are authorized for issuance as of december 31 , 2018 in the table ( with introductory paragraph and notes ) in item 12 of this report . our stock transfer agent and registrar is : computershare trust company , n.a . 250 royall street canton , ma 02021 800-982-7652 www.computershare.com/pnc registered shareholders may contact computershare regarding dividends and other shareholder services . we include here by reference the information that appears under the common stock performance graph caption 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 2018 are included in the following table : in thousands , except per share data 2018 period total shares purchased ( a ) average price paid per share total shares purchased as part of publicly announced programs ( b ) maximum number of shares that may yet be purchased under the programs ( b ) .
for the period of october 1 2013 31 , what percent of share purchases were not shares purchased as part of publicly announced programs?
( a ) includes pnc common stock purchased in connection with our various employee benefit plans generally related to forfeitures of unvested restricted stock awards and shares used to cover employee payroll tax withholding requirements . note 11 employee benefit plans and note 12 stock based compensation plans in the notes to consolidated financial statements in item 8 of this report include additional information regarding our employee benefit and equity compensation plans that use pnc common stock . ( b ) on march 11 , 2015 , we announced that our board of directors approved a stock repurchase program authorization in the amount of 100 million shares of pnc common stock , effective april 1 , 2015 . repurchases are made in open market or privately negotiated transactions and the timing and exact amount of common stock repurchases will depend on a number of factors including , among others , market and general economic conditions , regulatory capital considerations , alternative uses of capital , the potential impact on our credit ratings , and contractual and regulatory limitations , including the results of the supervisory assessment of capital adequacy and capital planning processes undertaken by the federal reserve as part of the ccar process . in june 2018 , we announced share repurchase programs of up to $ 2.0 billion for the four quarter period beginning with the third quarter of 2018 , including repurchases of up to $ 300 million related to stock issuances under employee benefit plans , in accordance with pnc's 2018 capital plan . in november 2018 , we announced an increase to these previously announced programs in the amount of up to $ 900 million in additional common share repurchases . the aggregate repurchase price of shares repurchased during the fourth quarter of 2018 was $ .8 billion . see the liquidity and capital management portion of the risk management section in item 7 of this report for more information on the authorized share repurchase programs for the period july 1 , 2018 through june 30 , 2019 . http://www.computershare.com/pnc .