As of November 6, 2026, Ribbon Communications Inc. is a publicly traded company (Nasdaq: RBBN); its largest reported holder is Paradigm Capital Management Inc., with 5% on Schedule 13G/A of August 14, 2025. The largest insider holding is JPMorgan Chase, a 10% owner, with 52,036,572 shares (29.0% of shares outstanding) held indirectly through a through subsidiary, per Form 4 of April 11, 2025 (Schedule 13G/A, August 14, 2025).
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Is Ribbon Communications Inc. a real, registered company?
- Ribbon Communications Inc. files with the SEC under CIK 1708055 (its SEC filings).
- Its shares are listed under the ticker RBBN on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Plano, Texas, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under Ribbon Communications Inc. in our court records and SEC 8-K records (as of 2026-11-06).
- Leadership changes: the latest reported is John Townsend, Chief Financial Officer (Form 8-K filed 2026-04-28). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Paradigm Capital Management Inc. (filed 2025-08-14).
Who are Ribbon Communications Inc.'s owners and officers?
Ribbon Communications Inc.: incorporated in Delaware; business address in Plano, Texas; industry Services-Computer Integrated Systems Design (Form D, 2026-04-28).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2025-08-14 | Paradigm Capital Management Inc/Ny | 5% |
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The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-04-28 | John Townsend | Chief Financial Officer | departed | 2026-04-30 |
| Form 8-K, 2026-04-15 | Louis Silver | Director | appointed | 2026-04-15 |
| Form 8-K, 2026-04-15 | Louis Silver | appointed |
Which insiders own Ribbon Communications Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a 10% owner: 52,036,572 shares (29.0% of shares outstanding), held indirectly through a through subsidiary (Form 4, 2025-04-11).
- , the chief executive and president: 2,969,454 shares (1.7% of shares outstanding) (Form 4, 2026-11-02).
- , a director: 859,446 shares (0.48% of shares outstanding) (Form 4, 2026-10-19).
- , the chief operating officer and executive vice president: 599,271 shares (0.33% of shares outstanding) (Form 4, 2026-05-19).
- , the chief financial officer and executive vice president: 566,450 shares (0.32% of shares outstanding) (Form 4, 2026-10-19).
Shares outstanding: 179,173,611 as of 2026-10-26, from the company's latest SEC cover page.
How much has Ribbon Communications Inc. raised?
No fundraising or offering filing from Ribbon Communications Inc. is on file with us.
Keep reading
More on Ribbon Communications Inc. and the records around it.
Ribbon Communications Inc. elsewhere on the record
- Leadership changes Apr 2026
Companies that share a holder
- PARADIGM CAPITAL MANAGEMENT INC/NY also filed stake reports on 6 other companies: BUILD-A-BEAR WORKSHOP INC (Aug 2026), NN INC (Feb 2026), TACTILE SYSTEMS TECHNOLOGY INC (Feb 2026)
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