Transfer of Stocks

For a valid transfer of stocks, the requirements are as follows: (a) there must be delivery of the stock certificate; (b) the certificate must be endorsed by the owner or his attorney-in-fact or other persons legally authorized to make the transfer; and (c) to be valid against third parties, the transfer must be recorded in the books of the corporation. (Raquel-Santos v. Court of Appeals, G.R. No. 174986, July 7, 2009)