MyWalmart Help

Associate Stocks can be sold over the phone or online by logging into your shareholder account. If you want to go with the second option i.e. online selling of your stocks then please follow the instructions in the below link to get a detailed answer of your question.
http://www.mywalmarthelp.com/account-issue/how-do-i-log-on-to-sell-stocks-3-1688
However if you want to sell it over the phone then dial 1-800-438-6278 to contact your Computershare or walmart transfer agent. You will be asked to verify your identity which basically include providing your Social Security Number (SSN), Date of birth (DOB) and your Employee Identification Number to the customer Service representative. You will then have to mention the number of stocks you want to sell and how you want your funds to be disbursed. Provide the customer service representative with your current mailing address if you want your funds to be sent to you through cheque or your bank details i.e. your bank routing and your account number if you want to get it transferred into your account. Processing time for both the options is less than a day. It usually get processed on the same working day if its not a day off. otherwise it gets processed on the next working day. However If you have requested the funds through check then it takes up to 10 business days to arrive by mail, while electronic deposit takes 2 to 3 business days. Dont forget to call walmart Participant Service Center at 1-888 968-4015 to clear your queries if you have any before selling your stocks.