# EDGAR Filing Document

**Accession Number:** 0001708055
**File Stem:** 0001104659-26-070981
**Filing Date:** 2026-6
**Character Count:** 6891
**Document Hash:** 68561bfb3045944d3d730475250280d9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-070981.hdr.sgml**: 20260605

**ACCESSION NUMBER**: 0001104659-26-070981

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 11

**CONFORMED PERIOD OF REPORT**: 20260603

**ITEM INFORMATION**: Submission of Matters to a Vote of Security Holders

**FILED AS OF DATE**: 20260605

**DATE AS OF CHANGE**: 20260605

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Ribbon Communications Inc.
- **CENTRAL INDEX KEY:** 0001708055
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER INTEGRATED SYSTEMS DESIGN [7373]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 821669692
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38267
- **FILM NUMBER:** 261069285

**BUSINESS ADDRESS:**
- **STREET 1:** 6500 CHASE OAKS BOULEVARD
- **CITY:** PLANO
- **STATE:** TX
- **ZIP:** 75023
- **BUSINESS PHONE:** 877-412-8867

**MAIL ADDRESS:**
- **STREET 1:** 6500 CHASE OAKS BOULEVARD
- **CITY:** PLANO
- **STATE:** TX
- **ZIP:** 75023

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Sonus Networks, Inc.
- **DATE OF NAME CHANGE:** 20171027

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Solstice Sapphire Investments, Inc.
- **DATE OF NAME CHANGE:** 20170531

?xml version='1.0' encoding='ASCII'?

**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 3, 2026**

**R**IBBON COMMUNICATIONS INC.**

(Exact Name of Registrant as Specified in its Charter)

Delaware 001-38267 82-1669692 <br> (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:

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| |
|:---|
| 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)) |

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**Securities registered pursuant to Section 12(b) of the Act:**

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| | | |
|:---|:---|:---|
| **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 |

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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. ◻

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| | |
|:---|:---|
| **Item 5.07.** | **Submission of Matters to a Vote of Security Holders** **.** |

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Ribbon Communications Inc. (the "Company") held its annual meeting of stockholders on June 3, 2026 (the "Annual Meeting"). At the Annual Meeting, the Company's stockholders considered and voted upon the matters listed below. A total of 163,724,665 shares of common stock were present in person or represented by proxy at the Annual Meeting, representing approximately 93% of the Company's outstanding common stock as of the April 6, 2026 record date. The following are the voting results for the proposals considered and voted upon at the Annual Meeting, each of which were described in the Proxy Statement.

*Item 1* – Election of nine directors for a term of office expiring on the date of the annual meeting of stockholders in 2027 and until their respective successors have been duly elected and qualified.

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| | | | | |
|:---|:---|:---|:---|:---|
| **Director** | **Votes For** | **Votes Against** | **Abstentions** | **Broker Non-Votes** |
| R. Stewart Ewing, Jr. | 146551668 | 580988 | 526752 | 16363552 |
| Bruns H. Grayson | 146208271 | 925393 | 525744 | 16363552 |
| Beatriz V. Infante | 140967587 | 6167837 | 523984 | 16363552 |
| Scott Mair | 146568172 | 565390 | 525846 | 16363552 |
| Bruce W. McClelland | 146407178 | 724725 | 527505 | 16363552 |
| Shaul Shani | 146237876 | 896484 | 525048 | 16363552 |
| Louis Silver | 146380850 | 747357 | 531201 | 16363552 |
| Richard W. Smith | 146215664 | 912891 | 530853 | 16363552 |
| Tanya Tamone | 146198151 | 928158 | 533099 | 16363552 |

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All of the nominees named above were elected, having received more votes cast "for" their election than "against" their election.

*Item 2* – Ratification of the appointment of Deloitte & Touche LLP to serve as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026.

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| | |
|:---|:---|
| **Votes For** | 162346373 |
| **Votes Against** | 367109 |
| **Abstentions** | 1309478 |

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Based on the foregoing vote, Item 2 was approved.

*Item 3* – The non-binding advisory vote on the compensation of the Company's named executive officers, as disclosed in the "Compensation Discussion and Analysis" section and the accompanying compensation tables and related narratives contained in the proxy statement for the Annual Meeting.

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| | |
|:---|:---|
| **Votes For** | 98595579 |
| **Votes Against** | 43428949 |
| **Abstentions** | 5634880 |
| **Broker Non-Votes** | 16363552 |

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Based on the foregoing vote, Item 3 was approved.

The Compensation Committee and the Board of Directors of the Company will consider the outcome of the advisory vote when making future compensation decisions relating to the compensation paid to the Company's named executive officers.

**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.

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| | | | |
|:---|:---|:---|:---|
| Date: June 5, 2026 | **Ribbon Communications Inc.** | **Ribbon Communications Inc.** | **Ribbon Communications Inc.** |
|  | By: | /s/ Patrick Macken | /s/ Patrick Macken |
|  |  | Name: | Patrick W. Macken |
|  |  | Title: | Executive Vice President, Chief Legal Officer and Secretary |

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