Ribbon Communications Inc. Common Stock

Day range

$1.34 – $1.40

Open

$1.40

Prev close

$1.40

Volume

879.2K

Market cap

$250.35M

Shares out

178.82M

P/E

16.05

P/S

0.31

P/B

0.64

P/FCF

34.05

ROE

4.0%

ROA

1.4%

Debt/Equity

0.84

Div yield

0.00%

As of Oct 23, 2026

• Investor presentationJun 17, 2026

  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

• Cfo appointmentApr 28, 2026

  On April 28, 2026, in connection with Mr. Townsend's departure, the Company announced that it is promoting Eric "Rick" Marmurek to the position of Executive Vice President, Chief Financial Officer and Chief Accounting Officer of the Company effective May 1, 2026. Mr. Marmurek, CPA, age 60, has served as the Company's Senior Vice President and Chief Accounting Officer since 2018 and was promoted to Deputy Chief Financial Officer and Chief Accounting Officer in October 2024. Mr. Marmurek has over 35 years of financial experience.

• Executive compensation changeApr 15, 2026

  In connection with his election as a director, Mr. Silver is entitled to receive an annual retainer of $60,000 consistent with the Company's Non-employee Director Compensation Plan (the "Director Compensation Plan"). The retainer is payable quarterly and pro-rated for the partial year of service. In addition, Mr. Silver is entitled to receive restricted share units...which will have a value (based on the closing price of the Company's common stock on the date of grant) equal to $170,000 pro-rated for the portion of the year that has elapsed since the Company's 2025 Annual Meeting of Stockholders.

• Executive officer departureAug 29, 2025

  Effective as of September 30, 2025, Dan Redington, Executive Vice President, Global Sales at Ribbon Communications Inc. will be leaving the Company to pursue other opportunities.

• Charter amendmentMay 30, 2025

  At the Annual Meeting, as described below under Item 5.07 below, the stockholders of the Company approved an amendment to the Company's Restated Certificate of Incorporation, as amended (the 'Restated Certificate of Incorporation') to increase the number of authorized shares of its common stock, par value $0.0001 per share, by 150 million shares to a total of 390 million shares (the 'Amendment').

Days to cover

4.0

Short interest

5.01M

Avg volume

1.25M

As of Sep 30, 2026 · reported to FINRA twice monthly.

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