Notes to the consolidated financial statements of Aegon N.V.  Note 32 244 The share premium account reflects the balance of paid-in amounts above par value at issuance of new shares less the amounts  charged for share dividends and the repayment of share premium to preferred shareholders. Upon the conversion of the preferred  shares, share premium on preferred shares have been allocated to share premium relating to common shares. On the balance sheet date Aegon N.V. and its subsidiaries held 41,307,910 (2012: 28,713,730) of its own common shares with a par  value of EUR 0.12 each. Movements in the number of treasury shares of Aegon N.V. were as follows: 32.3 Treasury shares As part of their insurance and investment operations, subsidiaries within the Group also hold Aegon N.V. common shares, both for  their own account and for account of policyholders. These shares have been treated as treasury shares and are (de)recognized at  the consideration paid or received. 2013 2012 2011 Number of shares  (thousands) Number of shares  (thousands) Number of shares  (thousands) At January 1 26,981 27,503 27,520 Transactions in 2013: Sale: 1 transaction, price EUR 5.02 (5,408) - - Sale: 1 transaction, price EUR 4.99 (783) - - Purchase: transactions, average price EUR 5.62 19,047 Transactions in 2012: Sale: 1 transaction, price EUR 3.52 - (9) - Sale: 1 transaction, price EUR 3.36 - (513) - Transactions in 2011: Sale: 1 transaction, price EUR 5.39 - - (17) At December 31 39,837 26,981 27,503 2013 2012 2011 Number  of shares  (thousands) Total  amount Number  of shares  (thousands) Total amount Number  of shares  (thousands) Total amount Held by Aegon N.V. 39,837 278 26,981 228 27,503 235 Held by subsidiaries 1,471 14 1,733 15 1,863 17 At December 31 41,308 292 28,714 243 29,366 252 Weighted average number of treasury shares, including  treasury shares held by subsidiaries (thousands) 2011 29,303 2012 28,933 2013 29,497 Aegon does not hold common shares B as treasury shares. Annual Report 2013