Investor FAQs

How do I purchase stock in Ribbon Communications?

You will need to contact a licensed stockbroker to purchase shares of the company.

Who is Ribbon Communications' transfer agent?

Ribbon Communications' transfer agent is American Stock Transfer & Trust Company. They can be reached at 1-877-777-0800 (toll free), or by fax on 718-236-2641 . Their mailing address is 59 Maiden Lane, New York, New York, 10007. They can be reached on the World Wide Web at

How do I transfer my stock or change my address with the transfer agent?

Contact American Stock Transfer & Trust Company directly at 1-877-777-0800 , or by fax on 718-236-2641 . Their mailing address is 59 Maiden Lane, New York, New York, 10007. They can be reached on the World Wide Web at

Does Ribbon Communications pay a cash dividend?

Ribbon Communications does not anticipate paying any cash dividends in the forseeable future. It has never paid any cash dividends and currently expects to retain future earnings, if any, for use in the operation and expansion of its business.

Does Ribbon Communications have a direct stock purchase program?

No, Ribbon Communications does not offer a direct stock purchase program at this time. If you would like to purchase shares in Ribbon Communications, please contact your broker.

When is the annual stockholders' meeting?

The date and location of the 2018 annual stockholders’ meeting have not been announced.

How do I get a copy of the company's financial statements, such as the Annual Report Form 10-K or Quarterly Report Form 10-Q?

Ribbon Communications' Annual Report on Form 10-Ks, Quaterly Report on Form 10-Q and other periodic reports are available for viewing on this web site. Click here to review available financial statements. To sign up to receive an automatic electronic link when the Annual Report or latest SEC filing is available, click here.

Does Ribbon Communications issue quarterly reports?

Each quarter the company will issue a press release and an annual or quarterly report, as applicable, which summarizes its financial performance. In addition, the company typically conducts a conference call to provide investors the opportunity to hear direclty from management.

Investor Relations
Monica Gould:
Ribbon Communications


Transfer Agent
American Stock Transfer & Trust Company

59 Maiden Lane
New York, NY 10007
Phone: 1-877-777-0800

Deloitte & Touche LLP

200 Berkeley Street
Boston, MA 02116
Phone: (617) 437-2000


60 State Street
Boston, MA  02116
Phone:  (617) 526-6000


Shareholder Tools

How to Buy Solutions & Products

You have many options for purchasing Ribbon Communications solutions. We list of ways you can contact us or a reseller.