What does a signature guarantee protect?

The purpose of a signature guarantee and medallion stamp is to provide protection to all parties involved in the transfer of physical securities certificates. This includes:

  • The shareholder who is transferring the physical shares
  • The recipient of the shares, i.e. the person who is buying, inheriting, receiving a gift, replacing lost, damaged or destroyed physical certificates, or being added as an owner
  • The transfer agent responsible for the transfer of the shares from one party to the other

Securities that require a Signature Guarantee

You will need to get a signature guarantee with a medallion stamp, commonly called a Medallion Signature Guarantee, for transactions that include physical certificates of:

  • Stocks
  • Mutual Funds
  • Bonds
  • Savings Bonds
  • Warrants
  • Other types of securities that require a transfer agent to process

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