UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): June 17, 2026
RIBBON COMMUNICATIONS INC.
(Exact Name of Registrant as Specified in its Charter)
| Delaware | 001-38267 | 82-1669692 | ||
(State or Other Jurisdiction of Incorporation) |
(Commission File Number) | (IRS Employer Identification No.) |
6500 Chase Oaks Blvd., Suite 100, Plano, TX 75023
(Address of Principal Executive Offices) (Zip Code)
(978) 614-8100
(Registrant’s telephone number, including area code)
N/A
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
| ¨ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |
| ¨ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |
| ¨ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |
| ¨ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
Securities registered pursuant to Section 12(b) of the Act:
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||
| Common Stock, par value $0.0001 | RBBN | The Nasdaq Global Select Market |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ¨
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨
| Item 7.01. | Regulation FD Disclosure. |
In connection with its participation in a previously announced investor conference on June 17, 2026, Ribbon Communications Inc. intends to present certain information that may not have been previously publicly available. Such information is furnished herewith as Exhibit 99.1 and is incorporated by reference into this Item 7.01.
| Item 9.01. | Financial Statements and Exhibits. |
| (d) | Exhibits. |
| 99.1 | Ribbon Communications Inc. Investor Presentation dated June 17, 2026. |
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| Date: June 17, 2026 | Ribbon Communications Inc. | ||
| By: | /s/ Patrick Macken | ||
| Name: | Patrick W. Macken | ||
| Title: | Executive Vice President, Chief Legal Officer and Secretary | ||