Welcome to the Merck & Co., Inc. Stockholder Services' web site. This web site is designed to assist and provide convenient and useful information, such as viewing and enrolling in the Merck Stock Investment Plan, accessing your current account information or viewing the Merck Annual Report or Proxy Statement.

Stock purchase and dividend reinvestment are available through the Merck Stock Investment Program.

• Automatic Reinvestment of Dividends
• Optional Cash Investments
• Full Investment of Plan Funds

 Access the Merck Stock Investment Plan (Opens new window)

Services administered by Wells Fargo Shareowner Services (Opens new window)

Review information about your account online.

• View balance and transactions
• Obtain tax information and forms
• Purchase and sell shares

Login To My Account (Opens new window)

Shareowner Forms (Opens new window)

Services administered by Wells Fargo Shareowner Services (Opens new window)

Some links on this page direct you to non-Merck sites. Merck & Co., Inc., does not review or control the content of any non-Merck site. Merck & Co., Inc., does not endorse and is not responsible for the accuracy, content, practices, or standards of any non-Merck sources.