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Signature Guarantee: How They Work, Examples

What Is a Signature Guarantee?

A signature guarantee is a form of authentication, issued by a bank or other financial institution, which verifies the legitimacy of a signature and the signatory's overall request. This type of guarantee is often used in situations where 澳洲幸运5官方开奖结果体彩网:financial instruments, such as securities, are being transferred.

In most cases, the 澳洲幸运5官方开奖结果体彩网:guarantor, generally a bank or other financial ins⛄titution, accepts all consequences in the event that the signature is fraudulent.

Key Takeaways

  • A signature guarantee is required when an individual investor wants to sell or transfer securities held in physical certificate form.
  • Using a signature guarantee service is a great way to prevent others from stealing your identity.
  • The three Medallion signature guarantee programs include STAMP (the Securities Transfer Agents Medallion Program), SEMP (the Stock Exchange Medallion Program), and MSP (the New York Stock Exchange Medallion Signature Program).
  • An investor can obtain a signature guarantee from a financial institution that is a member of one of these programs.


How a Signature Guarantee Works

With the number of crimes related to 澳洲幸运5官方开奖结果体彩网:identity theft rising each year, using a signature guarantee service is a great way to prevent others from stealing your identity. A signature guarantee is required when an individual investor wants to sell or transfer securities, such as stocks or bonds, held in physical certificate form. If an owner holds securities through a broker, they will not need to obtain a signature guarantee to sell or transfer the securities🔥.

An investor can obtain a signature guarantee from a financial institut♓ion. However, this institution must be a member of a recognized securities guarantee program, such as Medallio😼n.

The three 澳洲幸运5官方开奖结果体彩网:Medallion programs include STAMP (the Securities Transfer Agents Medallion Program), SEMP (the Stock Exchange Medallion Program), and MSP (the New York Stock Exchange Medallion Signature Program). STAMP participants include more than 7,000 U.S. and Canadian financial institutions; SEMP consists of regional stock exchange member firms and clearing and trust companies; NYSE member firms belong to MSP.

Membership with the Medallion program ensures that transfer agen𝓡ts will immediately accept certificates for processing.

Example of Using a Signature Guarantee

Imagine an investor, Alex, wants to sell their shares of ABC Company. Alex did not purchase these shares through a broker, and instead holds a 澳洲幸运5官方开奖结果体彩网:share certificate, which is a written document that serves as legal proof of ownership of a set number of a company’s shares. Alex must sign this certificate in order to sell them, however, before the 澳洲幸运5官方开奖结果体彩网:transfer agent accepts the certificates, the agent r🌟equires a signature guarantee to ensure Alex's identity and intention.

At this point, Alex must reach out to their financial institution in order to obtain a signature guarantee. While some banks may charge a small fee for this service, others, such as Bank of America, provide guarantees free of charge, as long as you have been a BofA client for at least six months.

Signature guarantees transfer the liabilities of losses to the transfer agent and away from the individual investor. One means of avoiding a signature guarantee is to have securities held in 澳洲幸运5官方开奖结果体彩网:street name. This means that the securities are held in the name of a brokerage firm (instead of 🦄an individual’s name).

$56 Billion

The amount of money lost by consumers to identity fraud in the year 2020, according to a study by Javelin Strategy & Research.

Signature Guarantees andꦑ Other ᩚᩚᩚᩚᩚᩚ⁤⁤⁤⁤ᩚ⁤⁤⁤⁤ᩚ⁤⁤⁤⁤ᩚ𒀱ᩚᩚᩚForms of Identity Theft Protection

While increasingly widespread, identity theft can still be prevented. Regularly checking personal accounts and quickly correcting discrepancies can help mitigate the effects of a breach. Choosing multi-factor authentication when logging into sensitive apps is also helpful. Multi-factor authentication relies on something more than simply a password to access an account. For example, the Google Authenticator requests the use of a time-sensitive six-digit code. This is sent to a user’s phone. Using a 澳洲幸运5官方开奖结果体彩网:password manager for 澳洲幸运5官方开奖结果体彩网:online banking accounts can also add ꦿanother layer of protectio🌼n.

Where Can I Get a Signature Guarantee?

Many banks or credit unions—especially larger ones—offer this service. You can check directly with your bank or credit union or you can use the Medallion Signature Guarantee website to look up a nearby institution that can assist you.

How Much Does a Signature Guarantee Cost?

If you have an account with the institution where you get the signature guarantee, it may not cost anything. If you do not have an ꦉaccount, you likely will have to pay a fee that varies depending on the institution.

Why Do I Need a Signature Guarantee?

Signature guarantees are designed to prevent fraud or identity theft when transferring 🦩financial documents. The institution providing the guarantee verifies the identity of the client before providing the guarantee.

The Bottom Line

A signature guarantee helps prevent fraud when selling or transferring securities. This is why one is required when such transactions take place. There are three Medallion signature guarante🦄e programs: STAMP (the Securities Transfer Agents Medallion Program), SEMP (the Stock Exchange Medallion Program), and MSP (the New York Stock Exchange Medallion Signature Program). Most financial institutions c🌸an provide one of these signature guarantees for clients who need them.

Article Sources
Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more about the standards we follow in producing accurate, unbiased content in our editorial policy.
  1. Investor.gov. "." Accessed April 28, 2021.

  2. Bank of America. "." Accessed April 28, 2021.

  3. Javelin. "." Accessed April 28, 2021.

  4. Medallion Signature Guarantee Website. "."

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